Solve : cmos checksum error?

1.	Solve : cmos checksum error?
Answer» i open my computer this morning and the screen plushes the message "cmos checksum error". press F9 to enter configuration press f1 to enter setup... but if i press any of the key... it does not RESPOND.. what should i do?open your cpu casing,search for a small battery,change it with a NEW one. That is the cmos battery. Then, after installing the new battery, turn on your computer and go to BIOS setup by pressing delete during the startup, set your bios date and ETC.

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