Corrupted bios, fails POST, eight beeps and flashes, no display

SephiasV2

Reputable
Mar 8, 2014
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4,510
Hello, I own an HP H8-1234 desktop computer. I bought a brand new EVGA NVIDIA GTX 760 video card and a Thermaltake TR2 power supply so I can run more graphically demanding games on the system. When I finished installing the video card and supply, the computer would boot up fine, make it past POST, but would not proceed with booting into the OS (Windows 7 64-bit).

I took it all out and reinstalled the stock power supply and graphics card, everything booted as normal. Noting materials in the video card box suggesting that a bios update is necessary sometimes to make cards compatible, I went to the HP site for my computer's updated bios. I attempted to install the update however my computer froze and then crashed, upon rebooting the computer, no display is shown, the computer then proceeds to flash it's power button along to the tune of 8 beeps.

I have already attempted to clear the CMOS with no effect. Upon initial research, official HP charts mark 8 beeps to signify bios failure, which would make sense, other charts all seem to cite graphics card problems, however the computer still will not boot even with the stock power supply and video card installed.

I had a tech test both power supplies and they passed all tests, so I can rule that out. However, I cannot find any method at the current moment to recover the BIOS from it's corrupted condition. Is there a back up bios option installed onto this motherboard (Angelica2), and if not, is there a way I can reflash the bios using any conventional methods? I don't believe keyboard shortcuts will work cause the BIOS in the current state is not activating the keyboard, though the USB drives do seem to be functioning as my mouse is powered on when the computer is, so perhaps there is a USB recovery option?

Any help with this issue would be appreciated.