Having problems with your HP Pavilion 7965 PC Desktop ?

HP Pavilion 7965 not booting: Just replaced PSU with one that works just fine (got it w/o a power supply) and after checking all connections, powered it on. It turned on and immediately beeped for about a second, just one beep, then turned the CPU fan and system fan off. It then required a power supply reset. After resetting the power supply, I can then turn it on with the same problem: On, Beep for a second, then turn off. Any ideas besides bad motherboard? If it's a bad mobo, no big deal, it's


Answers :

You have to have ram memory in, for the computer to operate at a basic function. To get to the BIOS POST screen.

NOTE*
When changing out hardware do you have the power disconnected from the computer?
Yes, I know, but I have to ask.

Also, do you follow anti-static precautions before sticking your hands inside the computer?
Touch the metal frame of the open computer case before reaching inside?

Your body carries Static electricity.
Static can fry out the hardware components inside your computer.
Especially the Processor, which is the most susceptible hardware component to static shock.

1) Computer unplugged from power. Video card removed. Monitor plugged into VGA port on the motherboard. Ram Memory installed. Harddrive data (Interface) cable disconnected, and power cable. Same for any optical drive/s.

Press the Power On button in, and hold it in for a count of Five seconds.
Let go.
Do this procedure 2 more times.

What you are doing is clearing CMOS Error Codes, and resetting BIOS Setup back to the factory default settings.

Plug back into power. Wait 1 minute. Turn the computer on.

Do you get the BIOS POST screen? Let's start from here.



Is your computer plugged-in to a power bar?

Try plugging it in directly to a wall outlet.
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