Ask a question »

CMOS BATTERY FAILED

July 2015

When the error message 'CMOS BATTERY FAILED' is displayed while booting up the PC, it is required to replace the battery of the motherboard of the PC in question. The CMOS battery of the system needs to be ideally replaced after every 5 years as there is depletion in the battery life of the motherboard. In addition to the CMOS BATTERY FAILED error message, the other messages include NO OPERATING SYSTEM, NEW CPU INSTALLED and DATE & TIME ERRORS. The replacement of the CMOS battery needs to be done in such a way so as to avoid any sort of unexpected issue.

CMOS BATTERY FAILED




Issue


If the following error message is displayed when booting up your PC,

CMOS BATTERY FAILED

Solution


The you can tackle this problem simply: change the battery of your motherboard.
Learn more:
Replacing the battery of your motherboard (CMOS battery)
For unlimited offline reading, you can download this article for free in PDF format:
Cmos-battery-failed.pdf

See also

In the same category

Published by netty5. - Latest update by Virginia Parsons
This document entitled « CMOS BATTERY FAILED » from CCM (ccm.net) is made available under the Creative Commons license. You can copy, modify copies of this page, under the conditions stipulated by the license, as this note appears clearly.