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date & time change frequently on startup. antivirus stops working also. (57 Views)
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tk797 Honor Student
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tk797
Posts: 5
Registered: ‎08-18-2012
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date & time change frequently on startup. antivirus stops working also.

‎08-18-2012 08:09 AM

For the past month the date & time are changed when I start my computer, an HP Pavilion  Elite m9077c with Vista.It doesn't happen everytime, but about 2/3 of the time. I can't download my email until the date is corrected, I get onscreen messeges that Windows media player won't work, & the status of Norton antivirus is frequently changed to "not protected". After restoring the correct date everything seems OK. What is going on? Is this the cms battery going bad , does my computer have a virus?When I run the   Hardware diagnostic tool in the PC help & tools folder I get no indication that the cms battery is bad.

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Distinguished Professor Distinguished Professor
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wb2001
Posts: 3,683
Registered: ‎09-28-2010
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Re: date & time change frequently on startup. antivirus stops working also.

‎08-18-2012 09:44 AM

tk797,

As the CMOS battery is supposed to retain date and time, and that is the issue, I would replace it.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph04375&cc=us&dlc=en&lc=en&product=3624429&tmp_...

 

http://www.computerhope.com/issues/ch000239.htm

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