Pavilion Desk Top will not boot.will single beep

Good evening, I have a top of Office Pavilion with Windows 7 as operating system. After trying to Flash the BIOS, I got a BSOD and after trying to restart all I get is a beep. Then, I tried to replace the processer always the same thing. Then I tried the video card but still the same thing. I know that someone ther has the answer to my problem.  Thank you, Jerry

I see this which and from which it came.  HP uses many variations of the motherboard on the name of M2N78 - LA and the BIOS are not interchangeable.  I'm not competent enough to say which ones is simply.  Maybe a guru HP will pop and troubleshoot.  I think that this motherboard can be roasted, however.  There are a few methods of recovery that may or may not work on this.  You can by looking at the motherboard chips what BIOS installed this card?  You may find value in this thread: http://h30434.www3.hp.com/t5/Desktop-Lockups-Freezes-Hangs/How-to-Flash-BIOS-if-you-cannot-start-Windows/td-p/436381

Tags: HP Desktops

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