cmos check sum error help please

By retinsleysr ยท 4 replies
Aug 6, 2005
  1. just recently got my backup computer out of storage and booted it up. got a cmos checksum error defaults loaded message with a press f1 to continue when I pressed f1 I lost my video all that shows is a green screen on monitor like I get when monitor is on but computer is off. any ideas will be greatly appreciated
  2. Liquidlen

    Liquidlen TechSpot Paladin Posts: 1,094

    Welcome to Techspot!
    How dust and moisture free was Storage.
    You might need to do a real good cleaning in that box, clean & reseat teminals, etc.
    For sure put in a new CMOS battery.
  3. retinsleysr

    retinsleysr TS Rookie Topic Starter

    thank you, will give that a shot and see if that fixes the prob. will let you know one way or the other. didn't get wet as far as i can see but storage units have a 3 inch gap at top of walls between units so got a little dusty.
  4. Liquidlen

    Liquidlen TechSpot Paladin Posts: 1,094

    Remember wet for a computer is really 'Damp 'air.
  5. harrisdurrani

    harrisdurrani TS Enthusiast Posts: 159


    Checksum error happens when ur Motherboard Battery is Weak and needs replacing... try changing ur motherboard Battery
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