Windows 7 Computer Clock Fix

My computer clock is consistantly running 12 minutes slow.  I correct it in the morning and it runs fine all day, but at some point overnight it reverts back to the incorrect time.  How can I fix this?
 

Question Info


Last updated December 9, 2018 Views 10,532 Applies to:
Answer

Update the BIOS.. change out the CMOS battery and try this..

Click on the clock > Change date and time settings > Internet Time tab > Change settings > alter the server to

time-b.nist.gov > Update now > OK

Windows 10 Pro - Start10 - part of a local network which is a '3rd party optimizer-free' zone..

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Answer
Please note that there are some programs that can affect the computer's "Windows" clock.   Consider doing a "Clean" boot of your system (no start-up programs) and check the clock.  If he clock works with the "minimal" Windows 7 "start-up," you would then need to "re-enable" the "Start-up" programs, one at time.  Then, you will continue to check to see when the clock starts to "slow" down. 

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