Anyone know why my computer would shutdown on it's own?

So far it this has happened three times now. My computer for no apparent (at least not apparent to me) has shutdown on it's own. After the second time it happened, I took the tower into the Apple store and the mac genius at the genius bar suggested that I have the power supply replaced. Well the power supply was replaced last Friday and then today the computer shutdown on it's own.
I went into the console log and this is what I found:
Mac OS X Version 10.4.10 (Build 8R218)
2007-08-29 09:13:53 -0700
2007-08-29 09:13:57.876 SystemUIServer[195] lang is:en
.TWAINBridge-ERROR: DS does not support the required CAP_SUPPORTEDCAPS
2007-08-29 09:14:04.158 SecurityFixer[227] No insecure startup items found!
Does this mean anything to anyone? And if so could it explain why the computer shuts off on its own?
Or is there some other underlying problem? Any help or suggestions on how to fix this problem would be greatly appreciated.
Thanks!

eyevwhy,
I don't know what the actual cause is, but here are a few thoughts...
The sudden shutdowns may or may not be related to the Console messages you referred to in your initial post, which appear to me to be logged at start up time. It's unclear to me whether or not you are even experiencing kernel panics.
I'd urge you to disconnect the hub and external drive for awhile, along with any other peripheral attachments you may have connected, ruling them out as potential culprits if the condition still recurs.
Is the Mac otherwise a stock FW800 without any added PCI cards or other internal modifications/add-ins? If not, I'd look there next for a potential conflict. If you're hooked to a UPS, you should try bypassing it for awhile, connecting your power cord directly to the wall socket and seeing if the issue resolves. If you're using a third-party keyboard, it might also be behind the issue.
Is your line voltage stable? Brownouts can drop the line voltage to a point where the PSU might shut down. Excessive line voltage (uncommon) or line voltage spikes can also shut it down.
Overheating inside the tower may also a potential cause of sudden shutdown. Do all three fans inside the tower operate okay and is the inside of the tower relatively clean, particularly in the vicinity of the CPU/CPU fan?
Other things worth considering... How frequently does the shutdown occur? Does it occur shortly after startup or after the Mac has been running for a considerable length of time? Have you changed or added RAM lately? Does the Mac exhibit any other issues? Is there anything noteworthy contained in your system log like repeating device error messages, etc?
Gary

Similar Messages

TS2756 hy, does anyone know why my computer doesn't recognise my iphone? I can't seem to make it see the personal hot spot :( any suggestions? thanks

hy, does anyone know why my computer doesn't recognise my iphone? I can't seem to make it see the personal hot spot any suggestions? thanks

Did you update to iOS 7? If yes you need to update iTunes on your computer to iTunes 11.1
If you are using iTunes 11.0 and iOS 6.x then show the left sidebar in iTunes.
When in iTunes on your computer use the View menu to View Sidebar. The device should show up there when connected.

Does anyone knows why my computer gives me this message.

This message keeps poping in my screen. " Another computer on the network is using your computer's IP address ( my IP number). Try connecting again later. If you continue to have problems, change the IPaddress of this computerof the other device. Contact the network administraror if you need more information.'
Doe anyone know how I can slve that problem? Thanks.

Select  ▹ System Preferences ▹ Network ▹ Advanced ▹ TCP/IP. What values are shown for the following:
Configure IPv4
IPv4 Address
Subnet Mask
Router

I have firefox 6.0 and the cache was recently deleted from my computer. I did not delete it and I was wandering if anyone knows why the cache would be deleted entriely? I just upgraded, does that clear the cache when you update?

Windows XP home edition
Firefox 6.0

Please do the following.
Click '''Help '''| '''Check For Updates'''. The option to update should appear and version 3.6.17 should download and install.
However, sometimes things go pear-shaped and you get version 3.5.19. If that happens, repeat the same steps to update to 3.6.17.
Once you have 3.6.17 installed, you'll get the opportunity to update to the current version which is 4.0.1 ''Please don't do that for the moment because you first of all have to update your plugins''. To do the latter, please do the following.
Go to http://www.java.com/en/ and install the latest version of Java.
Update Adobe Shockwave for Director via http://get.adobe.com/shockwave/
Update Adobe Flash via http://get.adobe.com/flashplayer/
Update Adobe Reader via http://get.adobe.com/reader/?promoid=BUIGO
For security details regarding the Adobe updates, see: http://www.adobe.com/support/security/advisories/apsa11-02.html
Once you've updated all those, go to '''Help '''| '''Check For Updates '''again to update to version 4.0.1

Does anyone know why a web page would suddenly pop up telling me I have a computer virus and need to call them? When I've called they said they needed access to my computer in order to fix the problem - which I didn't do. Is this legit? An Ad?

Does anyone know why a web page would suddenly pop up telling me I have a computer virus and need to call them? When I've called they said they needed access to my computer in order to fix the problem - which I didn't do. Is this legit? An Ad?

That is not legit, it is a scam to gain access to your computer and information.
You can protect against pop-up adware with the AdwareMedic tool Thomas Reed has http://www.thesafemac.com Tom is a major contributor on these communities and great security guy.

HT201364 I have a macbook with OS X 10.6.8, 2GB of ram, and enough space to download, but it still says it cannot download the update on this computer. Would anyone know why? Thanks.

I have a macbook with OS X 10.6.8, 2GB of ram, and enough space to download, but it still says it cannot download the update on this computer. Would anyone know why? Thanks.

Choose About this Mac from the Apple menu, click on More Info, and check the model identifier against the following, which are the earliest Macs of each type that can run Mountain Lion and Mavericks:
iMac7,1
MacBook5,1
MacBookPro3,1
MacBookAir2,1
Macmini3,1
MacPro3,1
Xserve3,1
A computer incapable of running Mountain Lion which has a Core 2 Duo(not Core Duo) or better CPU and at least 2GB of RAM can run Lion 10.7, which is available from the online Apple Store.
(92639)

Like idk how to ask but would anyone know why my iPod touch 4g will not connect to a computer to my apple account but yet it will only charge I have tried numerous cords and pc's and still the same

Like idk how to ask but would anyone know why my iPod touch 4g will not connect to a computer to my apple account but yet it will only charge I have tried numerous cords and pc's and still the same occurs

Here:
iOS: Device not recognized in iTunes for Windows
or
iPhone, iPad, iPod touch: Device not recognized in iTunes for Mac OS X

I have an older iMac 5,1 and the disc drive no longer works. I was hoping that I could the Apple USB super drive as a replacement, but the info on the super drive page says compatible with iMac 2012 or later. Does anyone know why it would not work for me?

I have an older iMac 5,1 and the disc drive no longer works. I was hoping that I could the Apple USB super drive as a replacement, but the info on the super drive page says compatible with iMac 2012 or later. Does anyone know why it would not work for me?

A reply to similar question (Q & As , in product page Apple Store) says:
"...dissable the internal reader hardware from devices setup. Then plug the external usb superdrive and that's it." Answered by Enrique T from Lima Oct 25 2013.
If you can locate an external Apple USB 'Air" superdrive for earlier model MacBook Air, that should work. The newer one for the Air is the same as for iMac, now.
You may be able to use other brands of external USB optical drive with your older intel-based iMac, as some of them function capably. A few should also be able to see system discs or other bootable utilities on DVD.
Hopefully this helps.
Good luck & happy computing!

Does anyone know why since upgrading to ML notes are not visible in Time Machine. They used to be part of mail and could be recovered from Time machine but since ML I don't seem to be able to access notes in Time Machine. Any help would be useful.

Does anyone know why since upgrading to ML notes are not visible in Time Machine. They used to be part of mail and could be recovered from Time machine but since ML I don't seem to be able to access notes in Time Machine. Any help would be useful.

Welcome to Apple Communities
Mail doesn't support notes. If you use iCloud, you have them in it because Notes is an application

I have 2 laptops both with iTunes installed but on one my source list includes 'Movies' and the other 'films' does anyone know why this would be?

i have 2 laptops both with iTunes installed but on one my source list includes 'Movies' and the other 'films' does anyone know why this would be?

sorry all - disregard I've identified the issue in the language settings with one set to 'English - United States' and one to 'English - United Kingdom' - now fixed.
Cheers

I have a canon printer with a mac computer. For some reason whenever I print something the ink on the page is all green not black like it should be. I put in a new black ink cartrridge but that didn't change anything.Does anyone know why this is happening

I have a canon printer with a mac computer. For some reason whenever I print something the ink on the page is all green not black like it should be. I put in a new black ink cartrridge but that didn't change anything.Does anyone know why this is happening?

You posted in the OS 9 & below forum. What OS X version are you using? What model Canon printer? Canon printers have a test print capability (open the Printer Utility). What happens when you do a test print? Are all the printer cartridges in their proper location? Sometimes when you print "black", the printer uses a mixture of the colors to get "black". In the Printer Utility, check the levels of the other cartridges. There may be one color that is clogged.
 Cheers, Tom

I have been trying to update my software in my macbook pro, but every time I go through the motions of updating/restarting my computer nothing happens and it still shows I need a software update. Anyone know why this is happening?

I have been trying to update my software in my macbook pro, but every time I go through the motions of updating/restarting my computer nothing happens and it still shows I need a software update. Anyone know why this is happening?

How large is your HD and how much space do you have left?
Check out the following & do the necessary:
Disconnect all devices from the computer then do the following:
Boot up from your Snow Leopard Install DVD while holding down the "c" key.
Select the language you wish to use, and then choose "Disk Utility" from the menu bar.
Your HD should appear in a panel on the left hand side of the window which opens. Select it and then click on the "repair disk" button in the right hand section of the window.
Once this process has been completed restart your computer and repair permissions directly from Disk Utility.
Try SU again.
If Disk Utility is unable to complete the repair, you will need to use a stronger 3rd party utility like DiskWarrior, Techtool PRO (not Deluxe) or Drive Genius.

Does anyone know why all of my picture text message would keep failing to send?

Does anyone know why all of my picture text messages would keep failing to send?

do you have the necessary mms option from your provider?

HT201272 I purchased the Killers new album and for some reason now my computer says it can't find the files. So I tried to download the album again off my iTunes acount but the cloud button won't appear. Does anyone know why this is happening?

I purchased the Killers new album and for some reason now my computer says it can't find the files. So I tried to download the album again off my iTunes acount but the cloud button won't appear. Does anyone know why this is happening?

These are user-to-user forums, you are not talking to Apple here.
Audiobooks (and ringtones) are currently a one-time only download. I believe that they are all supplied to Apple by audible.com, so I assume that it's them who are requiring the one-time only download restriction. To get it onto your other devices you will need to sync it via a computer. Depending upon what country that you are in, Audible.com have their own app (Audiobooks from Audible) so you might be able to buy direct from them, though I don't know whether you can buy within their app or download audiobooks directly from them within the app e.g. whether they need to be copied via a computer.

I recently got the iPhone 4S and for some reason the Settings button for the home screen has a little red 1.If anyone know why their is little red number1 and what I have to do it would be fantastic! Thanks :)

I recently got the iPhone 4S and for some reason the Settings button for the home screen has a little red 1.If anyone know why their is little red number1 and what I have to do it would be fantastic! Thanks :)

Hallo. I did it this several times and I have the latest update to iOS 6.0.1, but still the red mark 1 at the Settings icon. Do you have any other idea?
Thank's.

Anyone know why my computer would shutdown on it's own?

Similar Messages

Maybe you are looking for