ibupdated pc bios and it failed now continuious restart and usb bios restore doesnt work

[dhizzy413]

i updated bios and it failed not it wont start at all goes 1-2 seconds i to boot then beeps and restarts continuously tried bios restore and that didnt take with windows key and B please advise

[Moulton45]

I have the same problem with an HP Sprout (basically an All-In-One model with extra fancy add-ons).

After the BIOS update, I had no video from the surface-mounted on-board NVIDIA Graphics.  Eight long beeps on an American Megatrend (AMI) BIOS means there is a problem with the Video RAM (VRAM).  The BIOS Update/Recovery can turn on the video during the Update/Recovery, but afterward, there is no video at all, just the 8 beeps.

My suspicion is that the surface-mounted NVIDIA Graphics Chip has a wonky cold-connection on one or more of solder points. This is a known issue with some models of the NVIDIA chips of about a decade ago.  Sometimes it's possible to reflow the solder connections by heating the system board (or just the area where the Graphics chip resides) to a carefully managed temperature for about 10 minutes.  I did this successfully once on a Dell Latitude laptop with a wonky surface-mounted NVIDIA Graphics chip.

On a desktop machine, where there is a PCI slot to install an optional Video Graphic Card, one can bypass the wonky on-board built-in video. That's an easy fix.  Sometimes a laptop model has an optional docking station with an independent graphics chip.  But if there is no such option for a laptop or All-In-One chassis, then one either tries the solder reflow gambit, or replaces the entire system board itself.  

In some systems, one can tell the BIOS not to use onboard built-in VRAM, but to borrow RAM from main system memory instead. But to do that, one has to be able to get into BIOS Settings to select that option (if it even exists at all). If one has no video at all, there is no way to view the BIOS Settings to select such an option to save the day.

[Moulton45]

I eventually solved this problem by installing a new system board.  I was unable to salvage the board with the reluctant video.