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Windows 7: my pc is powering on and off.


22 Jan 2014   #1

windows 7 Professional
 
 
my pc is powering on and off.

hello,
i am having a problem with my pc. sometime when i power on my pc, it stays power on for a few seconds then will immediately power off then power on again by itself then work normally.
sometime it will power on but will not display anything on the screen.
at time it will power on,power off immediately and power on again then there will be no display on the screen.

does the problem come from the motherboard or memory?


My System SpecsSystem Spec
.

22 Jan 2014   #2

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Hello neo1407. Welcome to the forum.

The could be a few reasons for this behavior.
  • Problem with the power supply
  • Problem with the power switch on the computer case
  • Loose or unseated power connections to the motherboard.
  • Faulty hardware - motherboard, video card, RAM, CPU
Is this a new build?

If not, and it was running fine and this just started happening, have you made any changes to the system recently?
My System SpecsSystem Spec
22 Jan 2014   #3

Windows 7 Ultimate x64, & Mac OS X 10.9.2
 
 

could also be a bios related issue. occasionally my overclock settings will fail and it will reboot almost instantly, which means its changed to the secondary bios as the first one wouldnt post.
My System SpecsSystem Spec
.


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 my pc is powering on and off.




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