CMOS checksum error when i alter settings

By james_k1988
Nov 13, 2005
  1. I recently reset my CMOS (pulled out jumper an put it back in) to attempt to fix a problem. Now i get a message whenever i start saying

    CMOS checksum error. Defaults Loaded

    Now i have looked around for this proble and i did find lots of cases but none quite the same as mine. I couldnt get this to shift so i decided to update the bios . So i did and hey presto it loaded up without this message.


    I am needing to alter some of my BIOS settings. Especailly teh fan control speed (i have another thread about this, seems to be having a CPU temp prob, and a slow fan is all i need :( ). You just set the high, medium and low so the fan knows how fast to spin. But whenever i change this (OR anything in the bios) I get the CMOS Checksum error again. And have to reinstall the bios drivers again to get rid of it. And i am needing to change the fan speed badly. I'm using speedfan just now which is doing fine but would prefer my mobo to do it for me.

    Any ideas? puke:
  2. vegasgmc

    vegasgmc TechSpot Chancellor Posts: 1,377

    You may need a new CMOS battery.
  3. james_k1988

    james_k1988 TS Rookie Topic Starter Posts: 163

    well i only just got he mobo a short while ago, bt the thought did cross my mind. Ill try takin it out an puttin it back in a if that dont help ill jus buy another, thers dead cheap newas lol ill let ya know

    although i dont know how the cmos battery can run out jus casue i reset the cmos lol but worth a try. Never know

    Cheers m8 ill giv it a try. Jus wanted to make sure there wasnt another simple resolution for this :rolleyes:
  4. james_k1988

    james_k1988 TS Rookie Topic Starter Posts: 163

    i fixed it. was a really stupid problem. so embarrising that im not even gonna say :blush: lol thanx neways guys
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