Replace the CMOS battery if your computer is more than two or three years old or if you have shelved the computer for a long period of time without usage.
Dochie batrị CMOS ma ọ bụrụ na kọmputa gị dị ihe karịrị afọ atọ maọbụ ọ bụrụ na ọ gbanyụọ maka ogologo oge.