Bios corrupted by bad bios install

By landale ยท 4 replies
Apr 19, 2006
  1. I have a Gateway 820GM pc and was having issues with IRQ conflicts. I was told that this is something that was fixed in the latest bios so I downloaded and ran them windows program that would automate the install of these bios.

    Long story short the computer rebooted to install the bios and then hung on a black screen. After 30 minutes it was clear that something was wrong. I have verified that these are the correct bios for my motherboard and everything.

    I was able to get the computer to boot to windows by holding down the insert key when the system is turning on however when I try to access the bios screen its all corrupt in there with a blue screen and unreadable text.

    While i Know the easy answer is to trash the motherboard before I go spend $100 on a replacement I was wondering if anyone had any suggestions as the computer does now boot to windows but I am concerned that there are still some problems that should be addressed with the Bios. Thanks.
  2. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    Try resetting the CMOS (there's a jumper for that on the motherboard).

    Boot using a DOS floppy or CD and re-flash the BIOS from there.
  3. landale

    landale TS Rookie Topic Starter

    I already tried resetting the CMOS using the jumper and that didn't seem to change anything. My computer doesn't have a floppy disk drive so it will have to be a bootable cd. Luckily it seems gateway does give you a dos version of the bios to flash with.

    Is it all encouraging that I can at least get it to boot to windows right now or is there still a problem thats being masked here?
  4. Tedster

    Tedster Techspot old timer..... Posts: 6,002   +15

    the motherboard is not destroyed, but the EPROM where the BIOS is located is scrambled. Removing the CMOS battery will not fix the problem (Except for some motherboards which have a backup BIOS). Your motherboard must be sent to the manufactuer for a hardware reprogram of the BIOS. Tell them you need the latest version installed.

    I would try to reprogram it first though.
  5. landale

    landale TS Rookie Topic Starter

    My motherboard must have those backup bios because I removed the battery for an hour and all is working perfectly now. Can even get into the bios screen. Definetly on the older bios but I'd rather have a working computer with old bios then a broken one with new bios sorta on there.

    Thanks for all your help.
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