How To Tell If Cmos Battery Needs Replacing. The CMOS battery powers your laptops BIOS firmware which is responsible for booting up your computer and configuring data flow. Remove the power cable attached to your system unit and remove the casing.
The CMOS battery powers your laptops BIOS firmware which is responsible for booting up your computer and configuring data flow. Then you installed the new one which restored power but did not restore the lost data or clock. Some common issues can be.
Replaced cmos battery but still the same found a sort of solution removed the the main battery and increased percentage of cpu power from 5 to 100 and.
Hi have an e442 notebook 2 years old every time i boot time and date resets and sometimes have a blank screen that clears after about 10 mins but other than that everything ok. There can be many different reasons for these errors. When you replaced the CMOS battery you removed the old one which caused your CMOS to lose power and therefore the data and the clock became invalid. The CMOS battery powers your laptops BIOS firmware which is responsible for booting up your computer and configuring data flow.
