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Re: PC not detecting drives, won't boot up passed HP Splash (2774 Views)
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zedblack Student
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zedblack
Posts: 1
Registered: ‎04-20-2011
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PC not detecting drives, won't boot up passed HP Splash

‎04-20-2011 04:31 PM

Hey, so randomly two days ago I left my PC on and awoke to it frozen on the HP start up splash. Going into the bios I realize my hard drive is not detected, later on my CD drive stopped being detected. I ordered a new hard drive and I'm still getting the same problem.

 

I've done everything the support site says. I've switched back and forth between my new and old hard drive. I've tried switching the SATA ports its connected to on the mobo, I've tried disconnecting each piece of hardware one by one, but it still won't detect the drives. Still won't boot up Windows.

 

The only thing I can do is run a linux off a USB Stick, but if I try to install of course, there's no hard drive detected. This can't be a mobo problem, can it?

 

Please help, this is what I'm running.

 

HP Pavilion p6310y

Athlon ll X4 2.8GHz,

6GB DDR3,

1TB SATA,

DVDRW,

Win 7 Home Prem 64-bit.

 

the new HD is a 2tb WD SATA, so I don't see why that would be a problem either.

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Provost Provost
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Big_Dave
Posts: 17,067
Registered: ‎07-17-2009
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Re: PC not detecting drives, won't boot up passed HP Splash

‎04-21-2011 11:06 AM

Hi zedblack,

 

Take your PC into a PC repair shop and have the techncian run somes tests.  The some models of the motherboard in your PC have a not so good history. The issue could also be a weak power supply.

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HBarajas Top Student
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HBarajas
Posts: 10
Registered: ‎04-22-2011
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Re: PC not detecting drives, won't boot up passed HP Splash

‎05-14-2011 03:10 PM

The Pegatron M2N78-LA (DDR2 & DDR3 versions) motherboards are dying.  Specifically the chipset on the motherboard dies which results in not detecting any drives.  HP Customer Support does not have it on a recall list and could not offer any real solutions.  Many have resulted in changing the motherboard to other MicroATX boards compatible with the HP (but you'll need to also puchase a new copy of Windows7).  Others have replaced it with the same motherboard from ebay (make sure you use the correct memory version)... however it is likely that the same motherboard would fail again.

See this thread.  I had to replace one myself with another MicroATX board.
http://h30434.www3.hp.com/t5/Desktop-Hardware/m8530f-desktop-PC-with-a-m2n78-la-mother-board-doesn-t...

 

If your model does not use the M2N78-LA (Stamped Right on the Motherboard) this would not apply.

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