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Windows 7: Win 7 shutting down unexpectedly


23 Oct 2010   #1

Windows 7 64 bit Home Premium
 
 
Win 7 shutting down unexpectedly

After years of great performance my dual core machine with Win 7 (since Feb) is now shutting down at random times each day...........once or twice or more each day. This started last week and is totally new and different to me. I can't seem to identify any software or hardware changes that could have triggered this. I'm wonderng if some hardware failure is happening to think about. What would trigger shutdowns at random times?

My System SpecsSystem Spec
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23 Oct 2010   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Does it happen with a clean boot.? If not follow the instructions
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7

Does it happen is safe mode? If not post

Can you be overheating?

If you type device manager in search, do you see any yellow waring markers by the various devices?

Install anything new, recently?

Have you run a malware and antivirus scan. Download malwarebytes.
My System SpecsSystem Spec
24 Oct 2010   #3

Windows 7 64 bit Home Premium
 
 
Thanks for the advice

It's a busy day for me today so I'll get on your list of tips tomorrow and report back. Thanks for the checklist of things to check. Just what I needed.
My System SpecsSystem Spec
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24 Oct 2010   #4

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Wish you luck
My System SpecsSystem Spec
24 Oct 2010   #5

Windows 7 64 bit Home Premium
 
 
Yes, new install

Yes, I've installed a new 15' USB cable to connect a new Canon scanner. Also for several days Win 7 has been telling me that it is ignoring a usb device that "is not identified". I've noticed that it seems disconnected now but can't identify the device. Incidentally, the scanner is working perfectly at that distance. Thanks for the help.
My System SpecsSystem Spec
25 Oct 2010   #6

Windows 7 64 bit Home Premium
 
 
New development

I've just discovered that this problem goes away when I keep the machine from going to sleep. I've set the sleep control to "never" and now it stays on all day without a problem.

I've not a clue what this means but I'm assuming there must be something wrong with my Win 7 installation now. Win 7 has run flawlessy for months until this problem began about a week or so ago. It could have started after I installed the scanner I mentioned before or did something else recently.
My System SpecsSystem Spec
25 Oct 2010   #7

W7 Professional x64
 
 

Try disabling hybrid sleep from your power options menu, then you should be able to use the sleep setting as usual.
My System SpecsSystem Spec
26 Oct 2010   #8

Windows 7 64 bit Home Premium
 
 
What is "hybrid sleep"?

I've altered a few of the options in the "advanced settings" power menu to remove some of the features that affect sleep..........but I'm sure ignorant of what you mean by "hybrid sleep" in the "power options" menu. Could you explain that to me please? Thanks.
My System SpecsSystem Spec
26 Oct 2010   #9

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

My System SpecsSystem Spec
26 Oct 2010   #10

Windows 8.1 Pro
 
 

You might also check out this tutorial.... Power Options and Sleep Mode Problems - Vista Forums

And this... Power Plan - Select
My System SpecsSystem Spec
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 Win 7 shutting down unexpectedly




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