Testing your MacBook for Random Shut Downs

August 27th, 2006 Posted by Ash

Following the frustrating experience of having my MacBook shutting down without warning, I came across a terminal command that “tests” if your MacBook suffers from the issue. I thought I’d share this with everyone considering that many MacBook owners may not even be aware that their MacBook is faulty until it shuts down on them.

PROCEED AT YOUR OWN RISK

Step 1
Open up Terminal. (You can load it up through Spotlight)

Step 2
Type in the following command:

yes >/dev/null &

and hit return. This will make maximum use one of the two processor cores of the MacBook.

Step 3
In the same terminal window, type in the command in Step 2 once again and hit return.

yes >/dev/null &

Your MacBook will now be making use of both processor cores and shortly after, you should hear the fans kick in pretty loudly.

I recommend you leave it running (keep the Terminal window open) for at least 15 minutes.

Step 4
If your MacBook has not suffered a random shut down after the 15 minutes, quit Terminal (⌘+Q).

The fans should get back to normal within a couple of minutes of quitting Terminal.

Now, simply leave your MacBook on and wait to see if it shuts down randomly. If it does suffer a random shut down, it’s likely to be within the next 20 minutes.

You can use your MacBook normally while waiting although I recommend you don’t work on anything important during that time. Normal web browsing is fine.

Step 5
If your MacBook still has not suffered a random shut down, repeat Steps 1 to 4 at least two more times. And if your MacBook survives those, then I would say it’s reasonable to say that it does not suffer from the Random Shutdown.

How this “test” works?
The yes command is typically a fairly useless one. It simply outputs a series of ys to the screen until you quit the command. You can find out more about it on Matt Welsh’s website.

This test works by putting the processor in your MacBook to work using the yes command. As it does the processing, the processor’s temperature rises and when you quit terminal the temperature of the processor decreases. This process (which happens under normal usage) somehow triggers a random shutdown in faulty MacBooks.

What to do if your MacBook shutsdown randomly?
If your MacBook fails this test (i.e. it shutdown during one of the above steps), contact Apple and arrange for a replacement or a repair.

Also, please let me know at which point/step your MacBook suffered the shutdown in the comments below or make a post at macbookrandomshutdown.com to share your experience/frustration.

DISCLAIMER
The Apple Files or Techpaedia accepts no responsibility for any damage or loss that you may incur by following the above steps. Do so at your own risk. We also do NOT guarantee that your MacBook is free from what we refer to as Random Shutdown even if it passes this test. This test is for investigational purposes only.

[Via Jon’s Comment over at macbookrandomshutdown.com]

Related Posts:
MacBook Random Shutdown List
MacBook Random Shut Down
Macbook Gone for Repairs
Life is Random
~10% of MacBooks (13″) have Random Shutdown

Entry Filed under: The Apple Files

75 Comments Add your own

  • 1. Al  |  August 27th, 2006 at 11:52 pm

    Well my macbook suffered from random shutdowns. its happened over 20 times today. However after 2 tests it managed to survuve this test. So I hate to suggest this but this doesnt test the issue. On another note i have tried the Pram fix to no avail. Fixed hd errors to no avail. Does anyone know if the new macbooks suffer at all?

  • 2. Ash  |  August 28th, 2006 at 12:05 am

    Al, I agree completely that this test does not guarantee the absence of random shutdowns in MacBooks. It is however the only sure way I’ve found for on-demand shutdowns on my MacBook. If it does work for someone, it can be used for demonstration purposes to Apple at the Genuis bar.

    About the new MacBooks, just today I had someone’s 5 day old MacBook shut down without warning. (again by running the “yes” command). It was bought on the 20th Aug, delivered on the 23rd. It’s a week 31.

  • 3. Al  |  August 28th, 2006 at 2:49 am

    thats not what i want to hear. I dont see the point of sending in my laptop untill apple has fully resolved the issue. The only problem is I use my laptop for work. Going a week or so to get a replacement is going to hurt and having to do it again will be pointless. Good idea for a test at the genius bar though.

    I fixed an Hd error using the install disk, disk utility and it seems to have reduced the time before a shutdown for me. However this could just be a display of the “random” feature with this bug.

    also it took over a month for this problem to occur on my laptop. I ordered my laptop the weekthey were released. So it could be ages untill this problem is fully resolved.

  • 4. Sebastiaan de With  |  August 28th, 2006 at 8:08 pm

    It may be completely wrong, but I expirienced the RD bug in my previous Macbook Pro. It didn’t, however, end at the RD bug; the battery bulged and I brought it to the Apple Store to get fixed. More people have seen this pattern, and if you do the same test (which takes about 77-82% of CPU per thread, according to top) without the battery in it, the heat is considerably less, and there isn’t a problem with shutdowns. I think that the problem is related to the batteries in the laptops and the power management units in them. Somehow, the problem hasn’t got a lot of exposure, but the Macbook (Pro) ‘bulge’ is a pretty common thing on forum boards.

  • 5. Test your Intel Mac for h&hellip  |  August 28th, 2006 at 8:30 pm

    […] Have you been using your new MacBook without any problems for 1, 2 or even 3 months thinking it’s doing ok? You’ll be surprised to hear that hardware problems may be just around the corner. This blog post explains how to test if your MacBook has the emerging RS (random shutdown) symptom.read more | digg story […]

  • 6. Dym  |  August 28th, 2006 at 8:41 pm

    Interesting enough, but I have reboots only when replacing factory-installed 512Mb with 2Gb Transcend Jet Ram. No reboots with original Samsung at all. Any ideas?

  • 7. Wesley Miaw  |  August 28th, 2006 at 8:47 pm

    The 2GB of Transcend Jet Ram is probably faulty. You could try running a memory test on the stick, but it’ll take several hours for 2GB.

  • 8. Erik  |  August 28th, 2006 at 8:52 pm

    I asked a Genius at the Genius Bar how recently they’ve fixed the problem when I went to send mine in for repairs, and he said since a few weeks. The repair apparently consists of inserting a spacer between the logic board and whatever’s on top of it. Pressure on the keyboard is causing components to come in contact that aren’t supposed to, resulting in a huge transfer of heat that causes the computer to shut down for safety.

  • 9. Dustin  |  August 28th, 2006 at 8:54 pm

    I ran memtest86 in single user mode, for three complete passes, on my Macbook after installing 2GB of Corsair memory. I don’t remember exactly how long it took but I’m fairly certain it was less than 30 minutes.

  • 10. Olivsl Junior  |  August 28th, 2006 at 8:57 pm

    Hi,

    Unfortunately, the test does not rule out the RS sindrome on all macbooks. My macbook black start to suffer the RS after a month and half of use (bought june, 24, start to show random shutdows august, 11). Sometimes the sudden poweroff occurs just after the macbook being turned on, with CPU cores running at 1,5Ghz at most. Right after the shutdown if you do the Yes > /dev/null test the notebook will increase the CPU frequency to 2.0 Ghz and the CPU temp will climb to 85º Celsius or more, without the fans being turned on. So the CPU clock will gradually decrease to 1,83 then 1,66; 1,5; 1,33 and 1.0 Ghz, when it turns off the machine (I guess to prevent any permanent damage to the CPU).BUT if the mac is on a “normal day” it will do the Yes > /dev/null test like a charm. The fans will go full throttle when the CPU reachs just above 80ºC and the frequency throttle will handle the temp goin’ down and up, but keeping 2.0 Ghz almost all the time. If this works, the mac sometimes will work all day without problems and on the next day, out of blue, it will just powerdown. No kernel panic. No crash. No nothing. Just the “Previous Shutdown Cause: -82″ in the system logs when I manage to turn on the notebook again.

  • 11. Olival Junior  |  August 28th, 2006 at 8:59 pm

    I forgot to mention on my previous comment, but the problem occured both on 3rd party RAM and factory installed RAM. I did the memtest on both and they seems to be okay.

  • 12. Robert Jones  |  August 28th, 2006 at 9:06 pm

    I had the random shutdown problem, and have had my heatsink assembly replaced. I could load the processor fine, and the system was rock solid. The problems most often occured when waking from sleep after a while — it seemed to be tied to the machine warming up, not being blazing hot. I’d have to say this is not a 100% reliable test, although it may work in many cases.

  • 13. zal.net » Test your&hellip  |  August 28th, 2006 at 9:19 pm

    […] Have you been using your new MacBook without any problems for 1, 2 or even 3 months thinking it’s doing ok? You’ll be surprised to hear that hardware problems may be just around the corner. This blog post explains how to test if your MacBook has the emerging RS (random shutdown) symptom.read more | digg story […]

  • 14. Dym  |  August 28th, 2006 at 9:28 pm

    Sure I tried it, forgot how much times I ran memtest in every combination / mode possible. I even tried to load both cores with “yes” even before this “method” tried to circulate - no luck with reproducing shutdowns. Then I transferred memory for testing to laptop repairing services for stress test and they didn’t find anything either. I’m sure as hell that it’s RS, but can’t understand why everything is fine with factory Samsung memory. Also these embedded graphics artifacts are visible with new memory few minutes after 1st use - probably deals with memory timings?

  • 15. Basement Tapes » Te&hellip  |  August 28th, 2006 at 9:42 pm

    […] The Apple Files » Testing your MacBook for Random Shut Downs […]

  • 16. Appleísmo | Para l&hellip  |  August 28th, 2006 at 9:48 pm

    […] Vía digg me encuentro con un link en el que describen como poner a prueba tu MacBook, si eres de esos usuarios en el que de manera aleatoria tu MacBook se reinicia y estas cansado puedes seguir lo que dice ese enlace. […]

  • 17. David Morgenstern  |  August 28th, 2006 at 10:04 pm

    A couple of thoughts:

    Apple and every other notebook maker designs hardware around an expected pattern of usage. That’s for all the elements of the hardware and software.

    So, we would expect that a server will function better than a laptop when it’s run harder and longer. And we would expect that a server won’t run as well as a laptop when you’re sitting in a coffee shop.

    The hardware design is mirrored by a software usage pattern: how long you will run the machine and what the software will do during that time, how much it puts into memory and how hard it hits the processors.

    When you create a pathalogical case that does something that is outside of the design, you will have problems.

    I suggest buying AppleCare for any mobile machine. And when it dies, you can go in and get a new, better logic board.

  • 18. Joseph  |  August 28th, 2006 at 10:05 pm

    You could just use SystemLoad available at http://www.bresink.com/osx/SystemLoad.html to load the CPUs at the same time (I do not write SystemLoad, so this is not a personal plug). It’s just a simpler way to load the CPUs (be sure to set it to 2 CPUs!) Also, I suggest using a temp monitor to watch the temps. The shutdowns happen around 70C

  • 19. Ezra  |  August 28th, 2006 at 10:38 pm

    The random shutdown thing was happening to me almost daily, but I’m using a MacBook Pro. I thought for awhile it was a bad stick of memory, but after returning my battery under the recall Apple had for MBP batteries and using the new one they sent it hasn’t happened since. I’m not not sure this would be the same problem for the MacBook’s, and Apple hasn’t mentioned anything to my knowledge, but it could be some early stages of a battery recall.

    So… I guess if you’re plugged in and the thing is shutting down then it isn’t a battery issue, but just sharing what happened to me.

  • 20. Scripting News for 8/28/2&hellip  |  August 28th, 2006 at 10:42 pm

    […] I’ve had the same problem with my MacBook spontaneously and instantly shutting down.  […]

  • 21. JD  |  August 28th, 2006 at 11:04 pm

    Step 1 should be “Unplug your Macbook from the AC adapter so it is running on battery power only.” I had random shutdowns with my pre-ordered Macbook Pro, but it only occurred when under battery power. Clearly this depends on whether the problem is heat related or battery related.

    Personally I used two Ruby processes running in an infinite loop, but yes should work just as well…

  • 22. Khan  |  August 28th, 2006 at 11:33 pm

    Ok I have had the macbook since it first came out.. and experienced only about 3 of those spontaneous shut downs, all last week.. but this test does not shut it down..

    Hmmm

  • 23. julie  |  August 29th, 2006 at 12:01 am

    tried the test, with macbook that has the fan (firmware) upgrade. temp got to 89C and no problems, killed the yes’es and it’s back down to 56 C and no crash. whew

  • 24. Andrew Stone  |  August 29th, 2006 at 12:02 am

    Ummm, all this test does it prove that if you over tax the processor beyond reasonable means your computer will cave. Your talking about a laptop here that isn’t meant to be meant to be pushed to the max like a desktop or a workstation.

    There has to be a better test that **shows** a software or hardware bug that causes the supposed problem.

    This using the UNIX “yes” utility as proof of a hardware/software issue is silly.

  • 25. Ash  |  August 29th, 2006 at 12:12 am

    Andrew, the shutdown occurs under normal usage too. In fact, that’s how I got my first random shutdown.

    A lot of users have reported that the random shutdowns occur when the processor is still cold. The RS are not related to having the processor work too hard. It seems more like some thermal sensing faults that fail to trigger the fans when it should.

    Some think that the shutdowns are caused by the thermal insulation problems in the top case.

    Until Apple comes clean on this, we will never know what exactly is causing this.

    One thing I can say for sure though is that running the “yes” utility cannot be considered overtaxing for the MacBook. The processor will run just as hard anyway if you are just doing some video editing/encoding. One will even expect it to run for a lot longer than 15 mins when doing video editing too!

    However, I also would like to see

    “a better test that **shows** a software or hardware bug that causes the supposed problem”,

    something which no one, not even Apple has come up with as yet…

  • 26. Andrew  |  August 29th, 2006 at 12:19 am

    No offense, but this is kind of a useless test..

    With the new SMC firmware, the temperature of the macbooks run significantly cooler anyway, and at least at the applecentre I work in Australia, there has been no reports of peoples macbooks running to the point that the fans can’t handle it and the processor needs to shut off.

    One thing people should be doing though is checking their ram, by opening system monitor (in Utilities in Applications), and filling up their ram until Page-In’s under memory is more then 0 (which indicates the memory is consumed). If applications crash on the way, its possible its faulty ram.

  • 27. Ash  |  August 29th, 2006 at 12:28 am

    About the SMC firmware, my MacBook had random shutdowns both before and after the firmware update and that was without the “yes” utility, just normal use. I’ve booted up into Apple’s own hardware diagnostics from the Installation DVD countless times to test my RAM and it’s passed every single time.

    Whether you consider this test to be useless or not, it may be the only way for many users to reproduce the shutdown in front of an Apple Genius. I gladly welcome any more reliable test you may know of…

    “there has been no reports of peoples macbooks running to the point that the fans can’t handle it and the processor needs to shut off”

    I doubt the problems is with the fans not running fast enough. It leans more towards the temperature sensing operations that do not TRIGGER the fans to run WHEN they should, which would explain why the MacBook shuts down even when cold and idle!

  • 28. Ash  |  August 29th, 2006 at 12:29 am

    Looking at the Apple Discussions Forums and the comments on this Digg story, it is clear that this is a widespread issue beyond faulty RAM and users overtaxing their processors.

  • 29. AppleDefects.com » &hellip  |  August 29th, 2006 at 12:40 am

    […] A sizable portion of MacBook user’s continue to experience the dreaded and seemingly inexplicable ‘random shutdown’ issue. A MacBook user at techpaedia.com is claiming to have found a test of sorts to determine if your MacBook will suffer random shutdowns, relying on the unix command ‘yes.’ The ‘yes’ command is generally what I run to check the heat and fan function on MacBook’s, and I have never had a random shutdown as a result of running this command. If you are interested in trying this alleged test, click here. I would be hesitant to recommend running the yes command for the 15 minutes that they suggest, my MacBook and many others run at very hot temperatures when both CPU’s are taxed at 100%, and it could be problematic to hardware. […]

  • 30. Matt  |  August 29th, 2006 at 1:57 am

    Interesting. I wish this blog had been posted two weeks ago. I’m sending my macbook pro for random shutting down while on battery power. A week prior apple had replaced a power inverter on the board that seems to make things worse. If this is a test to see if you can defect your notebook, it may not be worth running. Most apple users should know that once your computer goes to apple it never comes back the same. Just a warning. (It’s happened w/ two apple products… an ibook g3 and now my macbook pro…) Of course, it doesn’t make me hate apple… which is weird. Maybe i’m a masochist.

  • 31. Switchblog » Blog A&hellip  |  August 29th, 2006 at 2:35 am

    […] TUAW reports that The Apple Files has devised an unofficial test to see if you might be a victim of random MacBook shutdowns. Check it out or check it out for a friend. […]

  • 32. Gui Leite&hellip  |  August 29th, 2006 at 2:48 am

    O teste do MacBook

    Apareceu hoje de forma organizada um teste que já era comentado em diversos fóruns há algum tempo. O teste consiste em usar um comando no Terminal, o Yes, que imprime a letra Y na tela seguidamente até uma ordem…

  • 33. Casting from the Server R&hellip  |  August 29th, 2006 at 3:21 am

    […] Test your MacBook for Failure […]

  • 34. truthiness  |  August 29th, 2006 at 4:30 am

    Bought a MacBook on day 1 at a local Apple store–they even made me wait a few hours because they hadn’t entered them into inventory yet (WTF!?!). A few weeks passed & the security manager began failing to prompt me for a password. Then it wouldn’t wake from sleep. Then it shut down at random. Apple “repaired” the problem, but it did it again the next day I got it back from Apple service. Nice. I asked for a replacement–the manager told me to screw off (but in a polite way). Luckily, a fortunate set of circumstances presented itself & I got a replacement. Thus far, it’s worked like a champ!

  • 35. tyrantbuilt  |  August 29th, 2006 at 4:58 am

    Sounds to me more like either the power supplies are crap or the ram both supplied by apple or 3rd parties are faulty in some batches. Both of those are much more likely to cause random shutdowns then a cpu. CPUs in general can take some abuse. RAM and power supplies on the other hand are much more likely to go bad.

  • 36. joopp  |  August 29th, 2006 at 7:50 am

    My RS story:
    - MacBook 2Ghz with 2Gb Transcend memory..worked fine for some months
    - After 2 months..shutdowns occur a few times..
    - Shutdowns increase..
    - Replaced mem with original + firmware update..
    - Shutdowns still occur but less frequent..
    - Sent in the laptop for repair..
    - They couldn’t reproduce the problem
    - Now entering this comment on my MacBook which still did not RS on me.. running yes tests..at the moment..hoping my machine is magically fixed..

    Do not trust this test completely..it just is a weird problem..

  • 37. Jerry  |  August 29th, 2006 at 8:38 am

    This is not only a problem with MacBooks, I also had the issue with a 1.83GHz MacBook Pro.

  • 38. World News Source »&hellip  |  August 29th, 2006 at 9:35 am

    […] I’ve had the same problem with my MacBook spontaneously and instantly shutting down. My machine has always rebooted. I thought it was because I was watching a movie, that seemed to be when it would happen. The movie was Themla and Louise, btw. […]

  • 39. World News Source »&hellip  |  August 29th, 2006 at 10:47 am

    […] I’ve had the same problem with my MacBook spontaneously and instantly shutting down. My machine has always rebooted. I thought it was because I was watching a movie, that seemed to be when it would happen. The movie was Themla and Louise, btw. […]

  • 40. Bieber Labs » links&hellip  |  August 29th, 2006 at 12:04 pm

    […] The Apple Files » Testing your MacBook for Random Shut Downs Following the frustrating experience of having my MacBook shutting down without warning, I came across a terminal command that “tests” if your MacBook suffers from the issue. I thought I’d share this with everyone considering that many MacBook owner (tags: hardware macintosh) bookmarks» […]

  • 41. Douglas  |  August 29th, 2006 at 1:26 pm

    I hate to say it but this test is not exactly accurate. Both of my MacBook’s were randomly shutting down, but the battery on the second one eventually died. The battery shows a full charge, but if I disconnect the power adapter the MacBook will immediately shut down, everytime. We discovered that with the battery physically removed from the MacBook and the power adapter connected, the random shut downs stopped. It is like the battery is on its way out and is failing to deliver power.

  • 42. » Test for MacBook &hellip  |  August 29th, 2006 at 1:26 pm

    […] Ash from Techpaedia.com was annoyed by his new MacBook shutting down randomly so he developed a simple test to see if a MacBook suffers from Random Shutdown Syndrome (RSS). To see if your MacBook has RSS: […]

  • 43. World News Source »&hellip  |  August 29th, 2006 at 3:31 pm

    […] I’ve had the same problem with my MacBook spontaneously and instantly shutting down. My machine has always rebooted. I thought it was because I was watching a movie, that seemed to be when it would happen. The movie was Themla and Louise, btw. […]

  • 44. John H. Farr  |  August 29th, 2006 at 5:09 pm

    Haven’t tried this test, don’t like the sound of it. My MacBook started doing the shutdown thing after about six weeks — surely the timing is significant — it happened hot, cold, no matter what the RAM, and the sucker would NOT reboot unless I held the power button down for maybe 15 seconds. Not good!

    Fortunately I had the “mushy trackpad button” defect as well, and Small Dog is sending me a new MacBook today. Let’s hope Apple gets a handle on this and comes clean with everyone.

  • 45. Greg Yardley’s Inte&hellip  |  August 29th, 2006 at 5:20 pm

    […] I’m so very, very pissed off. Now I’m going to have a twice-refurbished laptop. More on this problem here, especially in the comments. apple, macbook, defect, repair, shoddy, crap+product Posted by Greg Yardley @ 4:08 pm […]

  • 46. joopp  |  August 30th, 2006 at 1:37 pm

    So I posted earlier about my problems.. and they continue.. sadly the Macbook still randomly shuts down however..it seems to be less frequent with the new firmware (1.4f10).
    This were the steps I had to take according to Apple:
    - Remove all extra shit from Macbook + powercord + battery..
    - Press the on button for 5-10 seconds (does nothing)
    - Connect powercord
    - Press APPLEKEY-ALT-’P'-’R’ when turning the Macbook ON..
    - Hear the startupsound once.. release and directly press the combination again..
    - Hear the startupsound 3 times.. release keys..
    - The PROM is resetted (or something..) your Macbook boots normally..

    The second line support let me run some kind of Log/data capture program (from Apple) of which I had to email the output (a diskimage file).. so more news tomorrow..

  • 47. Ash  |  August 30th, 2006 at 1:44 pm

    Joop, sorry to hear your MacBook is still suffering. The procedure you describe above resets the PMU (power management unit) and the NVRAM (aka the PRAM). This has been reported to alleviate the shutdown problem but only temporarily.

    I had to do the PMU and PRAM reset too before sending my laptop off.

  • 48. EveryDigg » Blog Ar&hellip  |  August 30th, 2006 at 3:30 pm

    […] Have you been using your new MacBook without any problems for 1, 2 or even 3 months thinking it’s doing ok? You’ll be surprised to hear that hardware problems may be just around the corner. This blog post explains how to test if your MacBook has the emerging RS (random shutdown) symptom.read more | digg story […]

  • 49. The Apple Files » ~&hellip  |  September 1st, 2006 at 7:24 pm

    […] Related Posts: MacBook Random Shut Down Macbook Gone for Repairs Life is Random Testing Your MacBook for Random Shut Downs […]

  • 50. The Apple Files » M&hellip  |  September 1st, 2006 at 7:33 pm

    […] Related Posts: Testing Your MacBook for Random Shut Down Macbook Gone for Repairs Life is Random ~10% of MacBooks (13″) have Random Shutdown […]

  • 51. clark  |  September 4th, 2006 at 2:09 am

    Yep, randon shutdowns here too. I have a week 19 machine. Randon shutdowns started and became more and more frequent. Now it shuts down 8 to 12 times before I can get it running. I changed my RAM from 2gigs back to 512, put the original hard drive back in it, AND did a fresh install. STRANGELY it went through the OS install without a hitch, upon the first boot, it shutdown. Its actually really funny if you think about those “Mac and PC” ads on apples site. Mines going back as soon as I get the box..

  • 52. Apple News » Test y&hellip  |  September 4th, 2006 at 12:12 pm

    […] Have you been using your new MacBook without any problems for 1, 2 or even 3 months thinking it’s doing ok? You’ll be surprised to hear that hardware problems may be just around the corner. This blog post explains how to test if your MacBook has the emerging RS (random shutdown) symptom.read more | digg story […]

  • 53. alex  |  September 4th, 2006 at 1:45 pm

    im pretty sure most intel chips have a built in safety feature that will shut them down if they get too hot to prevent them from melting. at leas tthats the way it was with the p4

  • 54. jasonbuechler  |  September 4th, 2006 at 6:56 pm

    Yup, mine exhibited the problem after only about 10 seconds into running the second yes. Damn you apple!!! You’re looking like Microsoft!! I was trying to show a PC nerd friend of mine a simple mpg on my sexy macbook to show off… and POW. She asks, “did it just shut down by itself!?” Oh the shame!! I was mortified and had to double check it didn’t have one of those “Win XP” or “Pentium IV” stickers on it.

  • 55. Chris  |  September 7th, 2006 at 11:32 pm

    Mine has not yet shutdown ramdomly *touch wood* but it has a couple of time booted by itself and needs to be crashed and turned back on and I get a kernal panic… any suggestions?

  • 56. mgr  |  September 8th, 2006 at 11:42 pm

    Three weeks old now,
    Have a “mushy” mouse button (tried about 8 machines at various stores and found about 5 alsohad bad buttons.
    Then had a drive error lost sibling (think thats the right term) had to do a re-install no diskwarrior avaliable for the macbooks yet…
    Now have the random sudden shutdown problem!!
    Been through all the tests with Apple the chap I spoke to said I need a new logic board.
    So off to the supplier and new top cover and logicboard on it’s way.
    Now some observations: the shutdown only happens when the machine is physicaly cold as in around 5 deg C and the either switch it on or wake it up. Once the machine has warmed up it’s fine. This could take a number of attempts to get it going though.

    Also found that the power indicator on the bottom of the battery stops functioning if you push it you get no power lights even though it’s charged - keep trying it will eventualy start working and the work every time.

  • 57. Carl  |  September 10th, 2006 at 3:26 pm

    My new MacBook Pro, seems to shutdown fairly consistently when I open Photo Booth then scroll around. This takes less than a minute. Shutdown is almost as consistent if I open a large JPEG in Preview and use the scroll bars. Occasionally I can get it to crash when using the scroll bars in Firefox or Safari when looking at a Google satellite image.

  • 58. Carl  |  September 10th, 2006 at 3:30 pm

    Forgot to mention in the last post that the computer doesn’t shutdown and stay off, it restarts immediately.

  • 59. Apple MacBook « Noi&hellip  |  September 11th, 2006 at 7:06 pm

    […] But it seems that so many people are reporting that there Macs are crashing regualary it makes me think that I should wait for Rev.2 or Rev.3. My PowerBook and my 20″ iMac have never crashed(seriously). […]

  • 60. Hanric  |  September 11th, 2006 at 10:04 pm

    My wonderful MacBook has also gone down with the Random Shutdown Syndrom after barely three months use. It has been handed in for repair a fortnight ago (no news) - AppleCare refused to deal with the problem and even denied knowing the problem back then - all this appears to have changed quite recently. Probably getting more and more difficult for Apple to hide the reality of things any longer. I don’t believe that they have a fix though - I went through the same problem with my iBook G3 - multiple logic-board replacements to no use whatsoever. The iBook was probably off for repair 1/4 of the time that I owned it. Just can’t bare to go through such a nightmare again - I’ve had enough - and have very little faith in Apple computers. It hurts me to write this but… all I want now is to get rid of the MacBook and buy a portable PC running Linux!

  • 61. Macbook Random Shutdown &&hellip  |  September 12th, 2006 at 4:16 pm

    […] 3. A new automated RSS tool to help diagnose your RSS problems. Well, this new test tool for Macbook Random Shutdown is really just a repackage of the “yes test in terminal” but it’s an easier test to run if you aren’t comfortable with running in terminal to see if your Macbook is affected. […]

  • 62. Macbook Random Shutdown &&hellip  |  September 13th, 2006 at 5:56 pm

    […] Special thanks to one of our users for a great tool to test for RSS! A new automated RSS tool to help diagnose your RSS problems is now available. This new test tool for Macbook Random Shutdown is really just a repackage of the “yes test in terminal” but it’s an easier test to run if you aren’t comfortable with running in terminal to see if your Macbook is affected. […]

  • 63. World News Source »&hellip  |  September 14th, 2006 at 2:25 am

    […] I’ve had the same problem with my MacBook spontaneously and instantly shutting down. My machine has always rebooted. I thought it was because I was watching a movie, that seemed to be when it would happen. The movie was Themla and Louise, btw. […]

  • 64. Ryan  |  September 20th, 2006 at 12:46 am

    I first bought my macbook on the 18th of July and had my first shut down on the 18th of August. I called up Apple care and they gave me some tests to do but the tests crashed the macbook completly and would not start at all so they told me to send it to them. When I got it back a week and a half later, they said it was my OS and that I had to reinstall it but not the updates ie. 10.4.7. So I did this and everything is working great guns untill yesterday and today. I normally put my macbook to sleep at night but when I woke it up yesterday within the first minute of starting up it RS on me, but it started up again after I pushed the power butten and then it did it again this morning, the same thing. When it sleeps for a long time it shuts down after it wakes up but no problems on restarting.

  • 65. Scripting News for 9/26/2&hellip  |  September 27th, 2006 at 2:37 am

    […] Update on my restarting MacBook. It’s gotten much worse, to the point where the computer reboots every ten minutes, so now I can’t use it. A few weeks ago I got some pointers from people saying that Apple is requesting people to bring their MacBooks into an Apple Store, so I called the store in Emeryville and was told they’ve never heard of the problem, and I should bring it in so a technician would look at it. So apparently Apple isn’t aware of the random restart problem. I don’t know if I should waste a trip down to the store, I know I can’t be without use of the laptop for any extended period of time. Not a happy situation.  […]

  • 66. World News Source »&hellip  |  September 27th, 2006 at 12:35 pm

    […] Update on my restarting MacBook. It’s gotten much worse, to the point where the computer reboots every ten minutes. A few weeks ago I got some pointers from people saying that Apple is requesting people to bring their MacBooks into an Apple Store, so I called the store in Emeryville and was told they’ve never heard of the problem, and I should bring it in so a technician could look at it. So apparently Apple isn’t aware of the random restart problem. I don’t know if I should waste a trip down to the store, I know I can’t be without use of the laptop for any extended period of time. Not a happy situation. […]

  • 67. MacBook random shutdowns &hellip  |  September 27th, 2006 at 4:08 pm

    […] This test appears to be a fairly good predictor to see if your MacBook has the random reboot problem. […]

  • 68. Brian G  |  October 1st, 2006 at 11:53 pm

    “Apple is not as good as they used to be.”

    I’ve had my white Macbook since the week they came out. Only in the past four days have I had the random shutdown issue that brought me here. Two days into it I noticed Apple had 10.4.8 updates so I did those thinking it might be a software issue but all along I felt it was hardware. Well, the updates didn’t help at all. I just hope I can get a replacement Macbook.

    Symptoms: Simple go to youtube, watch a few videos, the fans rev up to full power and then bamb… no power. I thought it might be the battery but I removed that and ran it and it came back moments later. I have to get through the next day and then I can give up my macbook.

    P.S. I really wished Apple would have gone with AMD chips. They are so much cooler physically. I work with Windows machines and they run so cool and quiet with AMD and hot and loud with Intel chips. My old iBook I could keep bare on my lap. My new macbook I have to have padding it is so hot. This is just bad. My very yound daughter even said out-of-the-blue not knowing of my issue and said “Apple is not as good as they used to be.”

  • 69. saegeas  |  October 6th, 2006 at 6:41 am

    Received my macbook at the end of August, installed Debian linux and been making heavy use of it daily. RS started to happen to me in the last few days — happened once a couple days ago, then today it happened about 6 times in a row, mainly on reboot. Strangely I was unable to get it to RS booting to OS X (between RS’s under linux). I’M VERY RELIEVED TO FIND OUT THIS IS A KNOWN ISSUE UNDER MAC OS X — I was afraid I’d buggered my computer running Debian on it! I’m planning to use this machine for a conference demo in a month: I sure hope Apple doesn’t let me down here…

  • 70. gaba: Véletlenszerűen k&hellip  |  October 6th, 2006 at 7:54 pm

    […] A fentiek ellenére szomorúan jelenthetem, hogy pár hete sajnos nálam is megjelent a véletlenszerű kikapcsolás nevű probléma (egyesek szerint egy jól irányzott processzorterheléssel ellenőrizhető a probléma megléte: The Apple Files: Testing your MacBook for Random Shut Downs). Ismert hiba, sokakkal megtörtént, az Apple elismerte, és ingyenesen cseréli a hűtőbordát, amely a gondot okozza (gondolom, az újabban gyártott példányoknál már orvosolták ezt a bakit). […]

  • 71. Thermal Stress Test All M&hellip  |  October 7th, 2006 at 4:51 pm

    […] Maybe read all of this first…. The Apple Files � Testing your MacBook for Random Shut Downs […]

  • 72. tapaninaho.com/blog &raqu&hellip  |  October 9th, 2006 at 10:17 pm

    […] -The Apple Files shows you how to test if you are affected or not (I can’t confirm this to work, only found this afterwards. For me it wasn’t really about pulling everything out of the CPU) […]

  • 73. lamar mundane  |  October 12th, 2006 at 6:54 am

    Hi all–

    I’ve got the random shut downs too…just started today..and ONLY WHEN USING WALL CURRENT. Not yet when running off battery. Also….mine does it long before getting real hot.

    Let’s keep each other informed.

  • 74. Chris G  |  October 13th, 2006 at 4:09 pm

    I have this issue as well (white macbook). It doesn’t happen when the laptop gets hot (I use Temperature Monitor and the temperature rarely goes above 38C) but does happen when the fan comes on or when doing something intensive, like ripping a CD.

    Called Apple and before agreeing to replace/repair, they asked me 3 questions: (1) have I installed the SMC firmware update, (2) have I tried resetting the PMU and (3) did I have any 3rd party RAM installed. I have since replaced my 3rd party memory with the original Apple memory and have the same shutdown issues. Therefore, my Macbook is now going back for repair/replacement….

  • 75. Philip  |  October 19th, 2006 at 8:53 am

    If my MacBook shuts down do I get consessions from the UN being the controller of such computer? How about if my Macbook has a meltdown? Would I then suffer the wrath of the Security Council through the IAEA? I never really thought about the political implications of buying a computer. Who said playing games and surfing porn would be easy?

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