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Displays messages such as “Booting Error, unable to detect disk drive.”.Printers may not work and display a message “can’t find printer.”.You are unable to connect to the internet due to an error: “time and date do not match.”.Time and date on your computer are constantly wrong.Keeps shutting down without any user input.Computer is refusing to boot the Operating System.If you go a long time without using your notebook or computer, the battery is constantly in use preserving all that important startup information.
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” If you use your computer more often the battery will last longer. “The average lifespan of CMOS batteries are 2 to 10 years according to. What causes a dead CMOS battery ?Ĭorruption of CMOS is unfortunately very common. All this information is preserved with a near quarter-sized lithium battery located directly on the motherboard of the computer. This information includes the system time, date, and system hardware settings for your computer to startup and load correctly. The CMOS acts as a battery powered semiconductor chip inside your computer that stores important information.
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The motherboard battery or CMOS (Complementary Metal-Oxide Semiconductor) works as a RTC (Real-Time-Clock) on your motherboard. Can a CMOS battery cause a black screen?.Will removing the motherboard battery reset BIOS?.
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