computer clock wont stay set.

Toshiba Satellite a215-s4767 15.4
May 29, 2011 at 08:02:33
Specs: Windows Vista, 2g
I have a Toshiba a215 s4767 and my clock jumps days ahead at times. I can reset the clock through internet time and it will stay set for a little while but then it just jumps ahead again. I looked into the bios and the clock seems to be running fast. I have changed my cmos battery with a new battery it was a solder in type battery. I have also updated my bios through toshiba and I still have this problem. This causes my malwarebytes and everything else to say it is either out of date or have things not run properly because of the date jumping to far ahead. Before I wrote this my clock was set a week ahead. Any ideas on how to fix this?

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May 29, 2011 at 10:08:12
Use to be a real time clock chip that could be replaced.
This maybe integrated into other chips.

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May 29, 2011 at 17:02:46
Thanks for your answer, But, correct me if I am wrong but isn't the RTC battery and cmos battery one and the same? In my post I said that I had already replaced the cmos battery so that's not the problem.

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May 30, 2011 at 09:49:42
Grab a service manual. The clock is, or is in, one of the many CHIPS (integrated circuit unit). It is either the supporting circuitry or the clock chip itself at fault. A weak battery will not cause a clock to move forward. The oscillator or frequency divider may.
I would start testing there rather than replace parts.

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