Question about Compaq Presario 1275 Notebook

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BIOS Clock Error

I'm helping a friend out with an old Presario 1275. Right now, I get a BIOS error during boot that says the date/time settings are invalid - hit F1 to continue or F10 to fix. If I hit F1, it boots normally, but the date & time are set to 1/1/98 12:00. If I hit F10, I can set the current date & time, but the settings go away the next time it's shut down. In either case, time begins to count up from whenever it's reset, so the internal clock does run. I guessed it was a bad CMOS battery and replaced that. It still gives the same error message! I pulled the new CMOS battery out & tested the voltage, and it's right on - the new battery is good. I made sure I reinstalled it with the correct polarities. Now what?

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Re: BIOS Clock Error

Update the BIOS or CMOS it should be fine after that.

Posted on Sep 09, 2007

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One thing at a time.
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