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Windows 7: Computer shuts off completely about 10 secs. after turn on.

05 Mar 2012   #1

Windows 7 Ultimate x64
 
 
Computer shuts off completely about 10 secs. after turn on.

Where and how do I start trouble shooting? Thanks for any help. stubs2.

My System SpecsSystem Spec
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05 Mar 2012   #2

Windows 7 Ultimate x64
 
 

Hello,

When this happens do you hear any beeps ? if yes listen carefully as they might give us a clue to what the problem is.
My System SpecsSystem Spec
05 Mar 2012   #3

Microsoft Windows 8.1 Pro 64-bit
 
 

Hello stubs, welcome to Sevenforums.

Cancel any overclocking if you are. Reset the BIOS if you have made any changes in it

Please follow these tutorials in order: SFC /SCANNOW : Run in Command Prompt at Boot - created by Bare Foot Kid
Startup Repair - created by Brink

After that, see if you can start the computer in safe mode, and let me know: Safe Mode - created by Brink
My System SpecsSystem Spec
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05 Mar 2012   #4

Windows 7 Ultimate SP1 64-Bit
 
 

Does the computer complete its power on self test (POST) routine?

If not I'd immediately suspect the power supply.

What you can do is disconnect all peripherals and internal hardware such as graphics, sound and TV cards, and then try to boot your computer.

If it doesn't boot, you've at least narrowed it down to your power supply, RAM, CPU or motherboard.
My System SpecsSystem Spec
05 Mar 2012   #5

Win 7 Pro x64 SP1, Win 7 Ult x86 SP1
 
 

a first thing i think of is overheating.

make sure all fans are working, and the PC is clean from dirt build up preventing adequate airflow...

if you can get into bios, check the temps there...
My System SpecsSystem Spec
08 Mar 2012   #6

Windows 7 Ultimate x64
 
 

Good morning seavixen32, It did not do the POST test, so I did the paper clip test and it showed that the power supply failed. I hope that is the problem. I sent it to Crucial for replacement. I will let you and DavidW7ncus, DustSailor and Erikbe know the results. Thank you all for your replies. stubs2.
My System SpecsSystem Spec
20 Mar 2012   #7

Windows 7 Ultimate x64
 
 

To seavixen32, You nailed it, it was a faulty power supply which was about 2.5 yrs. old. Crucial replaced it in a very timely fashion, no charge. Thanks again to all those that posted. Windows 7 is such a valuable resource to those of us that are not that computer savvy.
My System SpecsSystem Spec
20 Mar 2012   #8

Windows 7 Ultimate SP1 64-Bit
 
 

You're very welcome. We're here to help and it's appreciated that you took time to update us.
My System SpecsSystem Spec
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 Computer shuts off completely about 10 secs. after turn on.




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