Error 0251 System CMOS checksum bad: how do I fix it?

[supertroxy]

I DONT KNOW ELSE TO DO OPLSHELP ME!!!!

 

[dodger46]

Renew CMOS Battery?

 

[evongugg]

Remove the battery for 30 seconds.
Otherwise reflash the bios with emergency procedures, bootable floppy or usb flash drive with autoexec.bat.
Please see your motherboard manual.

http://rufus.akeo.ie/

 

[evongugg]

Run dxdiag and report back the manufacturer of the bios if you can.

 

[Brett928S2]

NEW CMOS battery...