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HP Recommended
HP Compaq DC7600 Convertible Tower
Microsoft Windows 7 (64-bit)

My CMOS clock stopped working properly. It even goes BACKWARDS on occasions.

 

I checked for viruses and malware with my resident antivirus program. It came out clean. The battery was changed earlier this year when I had a major service and my operating system was upgraded from 32-bit to 64-bit the same time.

 

After I experienced problems, I Googled it and was directed to check my system information where I found that a setting was set to manual clock update. I change this to automatic and the error properties to automatic restart the clock on any errors. It still behaves erratic. I also found out that the BIOS was last updated in 2015!

 

I need a link to update the BIOS to the latest version, even if it is only 2016 or 2017... That would hopefully solve the problem...

Duck Grobbelaar
2 REPLIES 2
HP Recommended

@duck786 

 

You can

 

(a) set it up to use internet clock or

(b) change RTC (Real Time Clock) or CMOS mattery.

 

For (a): Is your machine under a Domain ? If not, please use the following method (for Windows 7)

 

          https://support.hp.com/us-en/document/c01927504

 

For (b): A normal, standard CR3032, you can find it nearly every shops which sell batteries. The following article may help

 

         https://support.hp.com/au-en/document/bph04375

 

Please do both and you don't need to do again in 3 to 5 years time.

 

Regards.

 

    

BH
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HP Recommended

Please check my chat at https://h30434.www3.hp.com/t5/Notebooks-Knowledge-Base/Clock-is-showing-wrong-time/tac-p/7159897#M10... for more details. I added more details about the problem to the expert there.

Duck Grobbelaar
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