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How to Replace Corrupted BIOS firmware and chip

Have the power ever gone out on you while flashing your BIOS or firmware?  Chances are, if your motherboard or current firmware didn’t support power failure protection, you have a bricked device, and a corrupted BIOS or firmware.

It’s not the end of the world, but it’s not super easy either. If your BIOS firmware has become corrupted, and you have a similar device with motherboard and the same CPU socket and a BIOS chip of the same type, you may be able to recover your corrupt BIOS if you are willing to risk the other BIOS chip. You can also purchase a new BIOS chip online from a reputable source like BIOS Chip 24.

Attempt to Repair Corrupted BIOS

If you are trying to repair a corrupted BIOS chip, and you have a spare motherboard with a working BIOS chip, you can try removing the non-working BIOS chip, and replacing and installing it in the working motherboard. First remove the corrupted BIOS chip and set it aside. Take the working BIOS chip out of the working motherboard and insert it into the other motherboard, but do not solder; just make sure the connectors and contacts are touching. Attempt to boot the motherboard with the temporarily installed damaged BIOS chip. You need to basically boot the motherboard with floppy or usb drive containing the correct BIOS installer (do not flash the chip). Leave the system running and gently pull the working BIOS chip from the socket (careful not to touch any metal). Insert the corrupted BIOS chip firmly into the slot of the running motherboard (again, be careful not to touch any metal). Flash the corrupted BIOS. Reboot and hope it worked!

Replace Corrupted BIOS chip

If this did not work for you, you will need to find a working matching BIOS firmware chip.  Once you have found one, remove the non-working BIOS chip.

Take your working BIOS chip and insert it into your motherboard. Place the chip so that connectors are touching the socket contacts. Solder as needed.

Prior to flashing your BIOS, remember to be connected to a UPS! Obtain the BIOS firmware for your new BIOS chip. Boot your motherboard with the newly installed BIOS chip. It’s likely that the correct BIOS will not be installed. Go to the motherboard manufacturer website to obtain the correct BIOS installer and download the correct BIOS for your board. Boot your system with floppy or usb drive containing BIOS installer, and flash your BIOS!

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