13 April 2012

CMOS BATTERY FAILURE AND SYMPTOMS

HI,
lets talk about CMOS battery failure and solution.

full form:- CMOS stands for complementary metal oxide semiconductor.

work/purpose:-every computer require a small battery on the system board that provides power to the Complementary Metal Oxide Semiconductor (CMOS) chip, even while the computer is turned off. This chip contains information about the system configuration (e.g., hard disk type, floppy drive types, date and time, and the order in which the computer will look for bootable disks). The CMOS battery allows the CMOS to preserve these settings.

failure symptoms:- 1) Incorrect computer date and time settings (earliest symptom while operating pc)
2) The laptop could not find a printer.
3) Malfunctioning of the mouse.
4) Problems launching a program.
5) Beeping sound from the computer.
6) You may start getting errors while in boot up in the motherboard BIOS that say: "CMOS Checksum Error', 'CMOS settings wrong', 'CMOS battery error' as well as 'CMOS read error'.


if any error comes please change the CMOS battery as soon as possible.
you can find it at watch stop,computer shop,electronic shop.
be careful while buying the battery.check the expiry date at of battery at the back of cover.
every battery at lest have 3 year of life span minimum and 10 year maximum.

thank you :)

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