subject: Cmos Battery Failure Symptoms Defined [print this page] Often forgotten but highly essential to your personal computer product is something called your CMOS battery. CMOS is really a chip that is built into your computers motherboard; it retains the body data and it is settings. It's stored here so that the data is maintained and not erased, corrupted or accidentally edited. This chip does not need your computer power as it features a battery built into it. This battery generally has a life span of up to ten years. Understandably if this battery starts to run have less its power, it may cause instability and much more.
CMOS Battery Failure Symptoms
* Incorrect some time and date on your personal computer. This is among the earliest warnings and a way to know that it's time to replace the battery.
* Computer won't boot up.
* 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'.
* Blank screens all through boot up; or unexpectedly during normal use.
* Saving files or programs does not appear to take. Should you install a program one day, and then next time you turn on your computer it is not there and you've got to reinstall it.
* Computer shuts off without notice.
* Drivers no longer installed, or have become corrupt.
* You might encounter other strange software and device issues for example your computer no longer being able to locate your printer or mouse; programs will not open on the initial few tries, etc.
These are the most common cmos battery failure symptoms and errors; however, your computer could mess up other signals that aren't listed. If your computer is more than a few years of age, it may be a sensible decision to have the battery tested in the beginning onset of any of these symptoms.
Most computer suppliers now have technicians on-site that can test the battery to see if indeed it's running down, most of the times the exam is going to be free. When this was the problem, you will be able to achieve the technician change it for you in those days. Should you don't have extensive experience dealing with the interior parts of a computer, it's a good decision to have a professional do the particular CMOS battery replacement.