TEST YOUR MACBOOK FOR RANDOM SHUTDOWNS

http://techpaedia.com/apple/2006/08/27/testing-your-macbook-for-random-shut-down s/
i encourage yo uto all check that out, im running the test right now, hoping for the best
for all of you people who know your stuff, could this be bad for my computer?

The procedure will not harm a normal MacBook. It will cause the fans to run at fairly high speed to keep the CPU cool. (If your fans were broken or disconnected, then the CPU would overheat; that's why I said "normal.")
I recently read someone conjecture that the GMA950 graphics chip can overheat, causing a shutdown. This may be what they're trying to test with the procedure.
I've also seen speculation that there's a mechanical short between the top case and the main logic board. If that's the cause of the shutdowns, then I don't see the "yes" procedure having any value.

Similar Messages

White Macbook 2006 random shutdown solved removed cpu heatsink and more

I picked up a cheap macbook from a secondhand retailer for $300 and it regularly shutdown, froze, restarted as well as the grey kernel panic screen completely random no real pattern. I set about trying to solve the problem swapping ram and hard drive with my identical 2006 macbook (which I had similar problems with last year, fixed that one with a new battery connector cable). The ram and hard drive made no difference so I downloaded istat menus to see if any combination of cpu voltage, current and temperature were causing the random shutdowns. It seemed when the temperature reached certain values the computer would shutdown or freeze(around 30 to 50 degrees). I'd read on other forums about faulty cpu temperature diodes so I reapplied heatsink compound to the cpu heatsink and checked all the wiring for shorts but nothing seemed to solve the problem. I was ready to retire the computer and use it for spares for my other macbook when needed but I pulled the keyboard off one more time and tried something completely radical. This fix requires some forward planning and software installation but it has completely solved my Random shutdowns completely.
for instructions see my next post *Fix for random shutdowns white macbook*

Ok this is not for the non technical person but it is quite a simple process with the right instructions.
This first step is very important install the software coolbook($10) and fan control (Free)( not smc fan control). Set up coolbook to operate the cpu at the lowest speed and voltage for both power adapter and battery(1002MHz and .95Volts). Remove the keyboard to access the computer logic board (instructions can be found at iFixit). Remove the four screws and two connectors holding the heatsink to the logicboard and gently lift the heatsink out (very important that you leave the fan screwed in and connected). Close the computer back up if you wish to test just gently connect the keyboard and loosly sit the keyboard back in. Restart and reset the pram immediately. Let the computer boot up and then open system preferences and configure Fan Control to your liking. So far no random shutdowns for over a week (was getting many a day previously.

Does your Macbook make Random Popping Sounds?

Hi all, does your Macbook make random popping sounds, on startup and periodically when your using your MB. I have this issue with two macbooks and i can't seem to find many other people who have this problem. I'm unsure whether it's the audio popping issue mentioned in other threads because this happens when no external speakers are plugged in. It's just pops away on it's own and it's driving me mad, i can't even pin it down to a specific task because it;s so random.
Both of my Macbook are operating under 10.4.11.
Arrrrrrrrggggggggggghhhhhhhhhhhhh

Actually now that you've mentioned it, mine sometimes randomly makes the popping sounds, more to the likes of 'clipping' of speakers. But the odd thing is, mine only pops when connect my speakers (it's a Cambridge Soundworks 4.1 setup which i purchased over 6 years ago) - and the speakers have been fine all these while? I am positive that it's not my speakers because just recently (2-3 days ago) my brother brought his HP laptop and used my speakers and i did not hear anything even after he left his inferior (haha kidding) laptop on my desk to have a smoke without any music/sound coming out of the speakers.
To be more precise. my popping sound occurs specifically (as I haven't tried others) as I pause my music on iTunes. It does annoy the h*ll out of me and I really assumed that it was my speakers.
At least I'm not alone now. My Macbook specs are listed below.

2.5 y/o macbook develops random shutdown?

Hi,
my 2.0 ghz core2duo white macbook has done the random shutdown thing 2 nights in a row, and its never happened before. no warning, no prior indication, it just instantly shuts down. I haven't heard of this developing on an older macbook. Both times the computer was under light load, on battery power and had maybe 20% charge left.
I did see one thread where on old battery may be an alternative cause, so I downloaded the suggested coconutbattery, which tells me my battery has a capacity of 4036 mAH now, as opposed to 5020 when new. I don't know if this is significant but it doesn't seem that 80% of the original battery capacity is too bad.
Does anyone have experience of this happening, or any helpful info for me?? This is a pain as I was hoping to use my macbook for some live music soon... not too confident of that now.
thanks, Simon Gregory

I'm not sure resetting the SMC is good advice, according this article:
http://support.apple.com/kb/HT1894
It says only to do it very very specific issues, and random shutdown is not one of them. The article specifically warns against doing it as a troubleshooting measure...

[solved?] possible reasons for random shutdowns

Several months ago, my laptop started to suddenly shutdown for no apparent reason. Initially, I assumed it was overheating. Lenovo had a look, found nothing but replaced the thermal paste anyway, gave it back.
The issue continued so somebody from IT stuck my laptop in a server room on top of a hot computer and stress tested it for a few hours. Conclusion: can find nothing wrong, definitely not a heat problem! (Laptop never went above 65.) They ran a bunch of hardware tests as part of this, got my cable and adaptor tested etc.
Next theory: issue had only ever occurred on one level of the building (in my office) and it turned out there had been another issue with another laptop in that area and it turned out to be shutting down to protect itself due to spikes in the power supply. A UPS solved that issue. One is currently on order for me.
Meanwhile, last weekend I had the issue occur twice in a friend's house in Birmingham. Even more worrying, however, I just had it happen here at home even though I use the machine extensively here and have never seen this happen here before.
I'm guessing this rules out the environmental hypothesis although I'm by no means certain of this.
That leaves: hardware or software.
Hardware is a pain - Lenovo already ran it for 48 hours straight and found nothing. Moreover, although I have paid to extend the warranty and although they've taken my money, I've so far been entirely unsuccessful in getting Lenovo's system to recognise the extension. In any case, with the holidays and everything I'd rather be sure of what I'm dealing with before giving the machine up for an extended period of time. I cannot reliably reproduce the issue so it is hard to troubleshoot.
So I would like to know what possible software issues might trigger apparently random shutdowns.
The shutdowns are immediate. One minute I am working on some document or whatever. The next the machine is off. journalctl shows nothing except:
-- Reboot --
If it was a hardware protection feature, would this get logged?
It does not reboot - it powers off - but I always have issues with reboot since I switched to systemd. Generally, it just powers off instead. [Oh, and before anybody tries to blame systemd, the random shutdowns started before I switched to systemd.]
I've checked the RAM.
Any suggestions, however unlikely, are welcome at this point.
Last edited by cfr (2013-04-13 23:42:03)

Thanks. The adaptor, cable etc. was "PAT tested" by the electricals person in our building and they checked the fuse etc. in the plug as well. Moreover, the laptop never usually has a problem switching from AC to battery and back. My battery is more than adequate for this sort of purpose and, if the battery did run low, the laptop would automatically suspend to RAM. Also, I know if this happens because, among other things, the display is set to dim on switch to battery. When the power supply has disappeared due to a power cut or just unplugging it, the switch has always been flawless.
I've just been jiggling and shaking and rotating the laptop itself as suggested above with no effect whatsoever. I've also tried pressing around the edges of the casing just in case I'm somehow putting pressure somewhere and that's affecting things. (I assume if it was pressure due to typing or touchpad, it would be happening all the time.)
I've also just spent a while jiggling the adaptor and both parts of the cable - also with no effect.
The one thing which makes me reluctant to test sans battery is that I've read that the batteries in ThinkPads serve some sort of protective function in case of issues with the power supply and that you shouldn't use them without the battery for that reason. (Somewhere on Lenovo's site but it was months ago so I can't remember where to check the details.) In case there is an issue with the power, I'd obviously rather not fry the laptop. (But it seems weird if it happens in several places in that case...)
I'm not sure about the cold boot comment. Do you think a cold boot might help? If so, I already performed one yesterday as I opened the back to look for loose connections. So if a cold boot might help, I'll just have to see. I've done cold boots before, though, after opening it up to look for issues following shutdowns.
These issues appeared several months ago and I've reproduced the issue with the LTS kernel a while back. So if it is a regression, it has been around for a bit. I might try a live Ubuntu USB. (I don't have an optical drive.) The problem is that a negative result won't really prove anything because the issue is so random. Given that yesterday is the first time it has ever happened to me at home and that even in my office I've sometimes gone three or four days without problem, a couple of days testing won't cut it. (And will make it difficult for me to get stuff done!) It might be best to wait and try it in my office after the holidays - if it worked for, say, a week there without issue, that would strongly suggest something in my Arch setup. (Or something about the hdd, I guess.)
Somebody suggested modules so, for the record, here's output from lsmod:
Module Size Used by
usb_storage 47385 0
uas 11120 0
efivars 12441 1
fuse 69213 3
hid_generic 1114 0
usbhid 37036 0
hid 85974 2 hid_generic,usbhid
rfcomm 33792 8
bnep 8858 2
ipt_REJECT 2282 2
ip6t_REJECT 2797 2
xt_LOG 12055 6
xt_limit 1978 6
xt_tcpudp 2472 4
nf_conntrack_ipv4 7799 5
nf_defrag_ipv4 1340 1 nf_conntrack_ipv4
nf_conntrack_ipv6 7512 5
nf_defrag_ipv6 6318 1 nf_conntrack_ipv6
xt_recent 8603 12
xt_conntrack 3298 10
nf_conntrack 64101 3 xt_conntrack,nf_conntrack_ipv4,nf_conntrack_ipv6
iptable_filter 1457 1
ip_tables 16947 1 iptable_filter
ip6table_filter 1397 1
ip6_tables 18519 1 ip6table_filter
x_tables 17000 11 ip6table_filter,xt_recent,ip_tables,xt_tcpudp,xt_limit,xt_conntrack,xt_LOG,iptable_filter,ipt_REJECT,ip6_tables,ip6t_REJECT
nls_cp437 5954 1
vfat 10120 1
fat 48403 1 vfat
uvcvideo 72788 0
videobuf2_vmalloc 2469 1 uvcvideo
videobuf2_memops 2283 1 videobuf2_vmalloc
coretemp 6071 0
kvm_intel 124718 0
snd_hda_codec_hdmi 24529 1
videobuf2_core 24073 1 uvcvideo
videodev 100860 2 uvcvideo,videobuf2_core
snd_hda_codec_conexant 47159 1
btusb 12373 0
kvm 374014 1 kvm_intel
media 10406 2 uvcvideo,videodev
joydev 9992 0
arc4 2040 2
bluetooth 192234 22 bnep,btusb,rfcomm
iwldvm 171052 0
mac80211 426350 1 iwldvm
snd_hda_intel 26181 2
snd_hda_codec 98034 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
thinkpad_acpi 62562 0
snd_hwdep 6429 1 snd_hda_codec
snd_pcm 75735 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 7218 2 snd_pcm,snd_hda_intel
microcode 12346 0
snd_timer 18935 1 snd_pcm
nvram 5907 1 thinkpad_acpi
snd 60189 12 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_hda_codec,snd_hda_intel,thinkpad_acpi
rts_pstor 401665 0
atl1c 33647 0
psmouse 71952 0
iwlwifi 125182 1 iwldvm
iTCO_wdt 5256 0
iTCO_vendor_support 1930 1 iTCO_wdt
cfg80211 177109 3 iwlwifi,mac80211,iwldvm
rfkill 15605 5 cfg80211,thinkpad_acpi,bluetooth
soundcore 5443 1 snd
i2c_i801 9572 0
evdev 10267 25
serio_raw 4690 0
pcspkr 1900 0
mei 32666 0
lpc_ich 10610 0
ac 2537 0
thermal 8120 0
battery 6774 0
wmi 8380 0
nfs 127008 0
lockd 64905 1 nfs
sunrpc 186134 2 nfs,lockd
fscache 40996 1 nfs
acpi_cpufreq 5934 0
mperf 1300 1 acpi_cpufreq
processor 26856 1 acpi_cpufreq
ext4 440435 10
crc16 1360 2 ext4,bluetooth
jbd2 78802 1 ext4
mbcache 6027 1 ext4
sha256_generic 10262 2
ablk_helper 1973 0
aes_x86_64 7556 5
aes_generic 26139 1 aes_x86_64
cbc 2737 1
dm_crypt 15800 1
dm_mod 72106 35 dm_crypt
sd_mod 29560 4
crc32c_intel 1988 0
ghash_clmulni_intel 4278 0
cryptd 8742 2 ghash_clmulni_intel,ablk_helper
ahci 21361 3
libahci 20024 1 ahci
libata 167757 2 ahci,libahci
scsi_mod 133434 5 uas,usb_storage,libata,rts_pstor,sd_mod
ehci_hcd 41817 0
usbcore 150472 6 uas,btusb,uvcvideo,usb_storage,ehci_hcd,usbhid
usb_common 955 1 usbcore
i915 496012 3
video 11277 1 i915
button 4663 1 i915
i2c_algo_bit 5392 1 i915
intel_agp 10745 1 i915
intel_gtt 15660 2 i915,intel_agp
drm_kms_helper 32878 1 i915
drm 218903 4 i915,drm_kms_helper
i2c_core 20708 6 drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit,videodev
I did wonder about the watchdogs and whether I should try turning (any of?) them off. But I suspect this thought just shows my ignorance of these things.
I don't think there's a fan in my power supply - it is just a brick type adaptor between the AC and the laptop. If it is the battery, it would be odd that it only ever happens when I'm plugged into AC. (Again, I use it a lot more on AC and the problem is random so this need not mean much.) One difference between battery and AC is that laptop-mode tools is configured to disable the NMI watchdog on battery. But again, I don't understand enough of what this means to know whether this is even vaguely relevant.
My graphics is intel so I'm not using any closed source drivers from Nvidia or ATI. The driver is currently set to use the default acceleration. QT is using default rendering (X11/XRender) rather than Raster or the experimental OpenGL.

Upgrade the internal hard drive on your Macbook for just over $100

Just upgraded my hard drive to 320gb drive today.. piece of cake. Fry's electronics website (www.outpost.com) has the Western Digital 320gb passport drive (http://shop4.frys.com/product/5533030?site=sr:SEARCH:MAINRSLTPG) for $119.00 .. it has a SATA drive inside, which can be easily swapped into a Macbook.
When you get the drive, hook it up to the USB port on your macbook, then, using the disk utility, erase the drive.. then, download Carbon Copy onto your computer, and use that to make an exact duplicate of your existing harddrive onto the new USB drive. Once that's done, reboot your computer while holding down the alt/option key and boot from the usb drive to make sure it works properly.. shut off the computer, disassemble the Western Digital usb drive case, remove the 2.5" drive, open up your macbook, and swap drives.
Here's a tutorial with photos.. it's VERY easy and a great way to increase capacity on your mac!
http://www.macinstruct.com/node/130
(I'm not responsible if you screw something up or void your warranty).. but I upgraded to a 250gb drive about 6 months ago and never had a problem, but when this 320gb drive came out, I wanted to go with it.. so now I'm using the 250gb drive as my time machine backup.

For direction on how to upgrade SSD, read https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Display+Mid+2014+SSD+Rep lacement/27849

Sudden Motion Sensor defect on MacBook ? Could you test your MacBook ?

Hi !
Got my new MacBook black.
I wanted to test the Sudden Motion Sensor with amstracker and amsvisualizer.
But only the x and y values change....the x value stays on 0 and sometimes jumps to -1 when i tilt the MacBook ?
Is it a defect or a Bug ?
Please test yours and write back !
Thanks

Apple seems to frequently change the details about
how to access the SMS data making previous versions
of SMS-reading utilities useless on the new machines
until they're updated. Almost certainly software
incompatibility rather than hardware failure.
I would have to agree with this as the visualiser that you gave don't work right on my MacBook.

Mid-2010 MacBook Pro random shutdown

Hi all, hoping you can help me with my very annoying shutdown issue. Sometimes it will happen within minutes of boot and sometimes the MBP will run for several hours without issue before it happens.
I've been able to replicate the shutdown across OSes (Snow Leopard, Lion, Mountain Lion). Initially I thought it might be bad memory but through swapping memory and running the AHT on a loop for several hours I've determined memory isn't the issue. I've reset the NVRAM, PRAM and SMC several times with no luck. Hard drive and battery is working properly and the AHT is finding no errors with the logic board. Pretty sure I've tried everything I can before bringing it in for service. And of course I'm just past the 3 year warranty date. Help!

You have the MacBookPro6,2, the Edsel of Macs. It may be covered by this program:
MacBook Pro (15-inch, Mid 2010): Intermittent black screen or loss of video
Make a "Genius" appointment at an Apple Store to have the machine tested. The routine hardware diagnostics used by service providers may not detect the fault. There is a specific test for this issue.
Print the first page of the panic report, and the support page linked above, and bring them with you.
Note that the replacement program only applies within three years of purchase. If you wait beyond that date, Apple may refuse the service. In that case, you'll be quoted a price of about $300 (in the U.S.) for a depot repair.
Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
*An SSD doesn't need to be zeroed.
You may be able to stop the panics by disabling automatic graphics switching in the Energy Saver preference pane, but that's not a solution.
Most likely, the logic board will be replaced. Sometimes the replacement part is also defective, so be prepared for that possibility.

New Macbook Pro - Random Shutdowns

I got a 15" MacBook Pro 2 months ago and today I started having lots of problems. The macbook will start and then after a few minutes, it will randomly shut down. After each shutdown I cannot start the computer again. Pressing the power button does nothing. After about 5 minutes of shutting down the computer will start again on its own and then shutdown again in a few minutes. And the cycle continues like that. This happens while the macbook is plugged in as well.
I do not think it is a battery problem because I removed the battery and turned it on while it is plugged in and still it is the same problem. I don't think it is a software issue because the same problem happens when I boot in both Mac OSX and Windows XP. Anyone have this problem?

Hi dennyhle,
Boot up from the osX dvd holding down the 'c' key, wait for the language screen to come up, pick a language and then from a menu choose Disk Utility and check the permissions and the drive for errors.
If the problem remains after that boot up from the osX dvd again but this time hold the 'd' key to start the hardware test, run an extensive one.
Hope this helps.

1 yr old Macbook pro random shutdowns on or off power

I have a MacBook pro thats about 1 year old, Mac OS X 10.6.8, completely updated, 2.66 GHz Intel Core i7.
It is randomly shutting down for no apparent reason... it happens about once a day, sometimes on the power sometimes when it's not, the battery time doesn't act strange at all, the temperature seems to be fine when it happens as well, between 60-70c like always. The screen goes blank, doesn't respond to anything i do, all lights are off, and then I hold down the power button and it makes a pop noise. I then turn it on again and its fine, and gives me an error report. It doesn't seem to be associated with any application... happens when I have just chrome open, just firefox, entourage, or word, any combination of those...Any ideas? It is definitely worrying me, especially since my warranty is pretty much just at the end of it's rope.

Sounds like a power supply problem (not portable power supply), but I wouldn't want to bet on the specific issue. I realize that your MBP is not in warranty, but you might do well to visit your local Genius Bar to get their input.
This is an interesting problem; post here with the results.

MacBook Pro Random Shutdowns

Hi all,
My MacBook Pro has just recently begun randomly shutting itself down. I'm not sure why, but I have gathered that it's a known issues. Here are the specs on my laptop:
-2.4Ghz intel core 2 duo
-4GB of RAM
-500GB HD
-Nvidia 8600M GT graphics
I forgot exactly which model this is, but I've had it for a good two years now. The warranty ran out last January, and I had the logic board, disc drive, and screen all replaced by Apple right before it did. I am already on my second battery, and this one has lasted just over a year. These things suck. Here is the battery info:
Battery Information:
Model Information:
Manufacturer:    SMP
Device name:    ASMB012
Pack Lot Code:    0002
PCB Lot Code:    0000
Firmware Version:    0110
Hardware Revision:    0500
Cell Revision:    0200
Charge Information:
Charge remaining (mAh):    1323
Fully charged:    No
Charging:    No
Full charge capacity (mAh):    2435
Health Information:
Cycle count:    538
Condition:    Replace Now
Battery Installed:    Yes
Amperage (mA):    -1995
Voltage (mV):    11193
It switches back and forth from "replace soon" to "replace now". I realize the cycle count is very high and it is past it's lifetime apparently.
So, my two questions are: why is my computer randomly shutting down? I think it could be the battery or the logic board. And is there a recommended this-party battery that is better than the Apple ones? Not only are those $130, but they do not last long at all. Between the two, I'm hoping it's the battery.
Thanks in advance!

Unfortunately, many MacBook Pros of the Core 2 Duo generation instead of going to sleep properly when the battery voltage drops below a particular threshold just shut themselves off instead. It's always been unclear whether this is due to the battery misreporting its voltage or some other cause.
As you've likely surmised, the only fix is to replace the battery, at which time your machine should properly go to sleep when the battery charge gets too low.
Note that you do have to care for your battery as well; it will help it last longer but nothing will fix the fact that batteries will only last a certain number of cycles.
Apple's suggestions on the topic can be read here.

MacBook Pro Random Shutdown with Error Code: 4SNS/1/40000000: TAOP

Hi All,
Hope you can help, I have a 1st gen, MBP which i've recently upgraded the HD to a 500gb. Has been working perfectly until today when it had a few instances of random shut downs and not being able to power up...
Got this error code while checking the Hardware test, but not sure what it actually means : 4SNS/1/40000000: TAOP
Anyone got any ideas?? The HD is fully compatible and has worked flawlessly since installation, but now wondering if it has something to do with that??!
Hope someone can shed some light,
Thanks!
Darren

I too have a MBP 15". After 3+ years of good operation, it's developed a sudden shutoff. It happens when the machine is hot. I can get it happen often if playing a web video in Safari.
I've also run AHT and got error 4SNS/1/40000000: TCOP
Troubleshooting:
I used the widget iStat and the utility smcFanControl to monitor the CPU temperature and fan speeds. I found a direct correlation between CPU temperature spikes, fan speed, and shutdowns. My machine shutdown/failed immediately if the CPU spiked for 2 seconds above 120 Celcius - that's a hot spike. I think it's a safety shutdown.
By using the smcFanControl, I could nearly eliminate the shutdown by forcing the CPU fans to run full speed (6,000 RPM). This way, I could keep the temperature between 68-100 Celsius. However, I could still create conditions using multiple web video playback in Safari & Firefox that could spike the temp above 120 C. I found that running fans at full speed were not enough. Something additional must be wrong regarding heat transfer or sensing. So, I'm guessing the thermal grease on the CPU heatsink is old/dry/cracked. Or, there is dust/link blocking the airflow. Or, there is a design flaw with the heatsink so that it is insufficient to cool or monitor the CPU temperature properly. Not sure yet.
I see on other forums that there is a new heatsink design and part number. The design has better thermocouple placement. And, if replaced, it will have new thermal grease.
My question is: How can I purchase a new replacement heatsink for my MBP? Anybody know part numbers or vendors?

MacBook Pro Random Shutdown. What's wrong? What can I do?

I just got a Macbook Pro 15" i5 about a month ago, but something weird has been going on. A couple of days after use I was using my computer and closed it for a few hours. When I came back to it, and opened the lid, it was no longer on. I thought I may have shut it down and forgot, but then it happened a couple of times again. It hasn't happened in the past week, so I thought it may be okay now. But I've recently (last couple of days) been watching things on my laptop and it seems that when the laptop is jogged, the video seems to pause. I thought it might be something I'm doing, but I never had this problem with my old mac. I think I should go to the store to get it fixed, but I was wondering what the issue is and whether I can do anything to correct it. It seems to me that it's a hardware issue and the laptop is somewhat unstable, but I was wondering if anyone had any insight. Thanks for your help. =D
Message was edited by: NintendoMad8

Yeah, I was already planning too. But I was wondering if anyone can provide any insight before I do. Or if anyone else has experienced this issue. Plus, I was wondering...if I just go down there will they be able to do anything, or will they make me book an appointment with the Genius Bar?
(Also, what is AASP?)
Message was edited by: NintendoMad8

Apple says they have fix for random shutdowns

I called Applecare today again, as I have been holding off on sending my machine in for the RSD problem. I have had less problems since locking and resetting the CPU, and wanted to wait to see if they would issue a statement on this problem. Today I was told "they know what the problem is, so send it in and it will be fixed". The woman I spoke with said she is not a technician so couldn't tell me what the problem/fix IS, but seemed quite sure of herself. Anyone else heard similar??
macbook 1.83Ghz Mac OS X (10.4.7) week 23

Here's a post I made over a month ago with annotations in parenthesis...
Re: Randomly Turns Off
Posted: Jul 18, 2006 8:28 AM in response to: Bontempi
I called applecare yesterday for an update on my previous case regarding this issue. I told them the first time that I wasn't going to send it back until they identified a specific issue and came up with a fix due to the widespread nature of the problem. Yesterday, they said the fix was developed last week and that if I sent it in now, I will get that fix. He didn't know what the fix but we set it up to get repaired.
I don't know if he was just blowing smoke but I have to trust them at some point. I just hope it doesn't come back full of scratches. (after 14 days it did!!!, plus the dvd drive ate discs now. They sent me a new macbook so I wasn't able to really verify if the fix worked)
I also asked about parts involved in the fix that may be on backorder but he didn't think there was any due to the very few number of cases of this reported! He said he's never dealt with this type of issue before and I was the firt to report it to him.

Macbook pro random shutdown "are you sure you want to shut down?"

Firstly, I'm asking this on behalf of my boyfriend who would ask himself if his computer were working!
His MacBook Pro 2.2GHZ new since July07 has just now, when started up, started displaying the shutdown message "are you sure you want to shut down?" and then shutting down anyway. Without being asked or prompted.
This has happened everytime it has been switched on after a couple of minutes it will just do it over again. It is fully charged.
Absolutely no idea what to do other than to take it down to the Mac Store and get it looked at.
If anyone has any help or advice it would be greatly appreciated,
thanks in advance. Charlie

Ok thought i had this fixed myself, i put it down to over heating as it was just acting normally for the last couple of hours but having just turned it off and started shutting everything down for the night it turned itself on!
I think i solved this by shutting the laptop but this has never happened before. I really hope someone can help, I've googled the problem to no avail and this is pretty much my last hope.
Thanks again
Charlie

TEST YOUR MACBOOK FOR RANDOM SHUTDOWNS

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