Sherwood 20:45 24 Aug 2006

The time on my PC is wrong. I have noticed that my PC is losing about 5 minutes a day. Does this mean that the battery is about to go? Or is there another cause?

  phil46 20:47 24 Aug 2006

The battery

  kestrel10 20:54 24 Aug 2006

That will be the CMOS battery on the way out, get a new one. Should only cost a couple of pounds.

  coolkid2 20:55 24 Aug 2006

is there a way of finding out how much battery power is left in the cmos battery

  Sherwood 20:57 24 Aug 2006

Any idea how long the battery will last and how easy is it to change the battery?
I have an IBM Aptiva.

  VoG II 20:59 24 Aug 2006
  Sherwood 21:14 24 Aug 2006

How long will the battery last?
Will the computer work without the CMOS battery?

  kestrel10 21:05 26 Aug 2006

A lot depends on the motherboard as to how long the battery will last. You can expect anything from 6 months to five years or more.
On average though you should be looking at 3 - 4 years.
The computer may work without the battery, but it isn't a good idea. No BIOS information will be kept & the motherboard would revert to the factory delfaults.
Batteries only cost a couple of pounds, so it's not worth even thinking of trying to run the machine without.
Yes, you can find out how much charge is left in a CMOS battery. Take it out & use a voltage meter. A good battery would be around the 3 volt mark.

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