Cmos checksum error windows xp

The battery on the motherboard has lost its ability to supply power. The system time and date are also affected by a bad battery. The BIOS was updated "incorrectly". BIOS version 6 or less Turn off the computer and wait five seconds.

Immediately press the F10 key if your computer was built in or later came with Vista or Windows 7. Immediately press the F1 key if your computer was built before XP or earlier. The computer requires service or a new motherboard. Press F10 to save the values and exit. Press Y to confirm before exiting. If the error no longer appears, wait until Windows opens and set the date and time to current settings. If the error still appears, the default BIOS information has become corrupted.

BIOS version 7 or greater Turn off the computer and wait five seconds. I changed the battery, but it still freezes.

On occasion it might let me get to the XP splash screen, but it will freeze after one bar flies across the screen. Once, a mosaic of colors appeared on my screen from entering the BIOS. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question 1. Report abuse.

Details required :. Cancel Submit. I pressed F2 and the system started up and ran ok. Is this a cmos battery problem or something else? Thank you. Is yours right? MrBill ,. Log in or Sign up to hide this advert. The date and time are ok. PeteC ,. The second thing is that her computer has had a rather peculiar thing happen to the mouse lately. Apparently, after an hour or so of being ok, the mouse will stop functioning. The solution is to reboot the computer, and the mouse will work for a while before repeating the problem.

I have substituted mice from other computers and they behave the same way. This all happened before the CMOS checksum failure showed up, but only 2 days afterward.

I was reluctant to talk about 2 problems which might not be related in the same thread, but does it sound like they might be related? On the positive side, the operation will also remove corrupt data and incorrect BIOS values. Ensure you reboot your computer after resetting BIOS. Check the instructions on the error page to be sure. Power off your PC and wait for about seconds for it to shut down completely.

To confirm if that fixed the problem, shut down your PC and turn it back on. Installing the incorrect update, or updating BIOS wrongly, can do permanent damage to the motherboard. Any interruption e.