motherboard battery

  wis 09:16 05 Jul 2008

mate just called to say pc on start up acting
strange not booting xp ,states time not set date not set ect,gives options f1 or f2 default boot
it was working ok, i did clean inslall 4 weeks ago
my thought is the battery,can one of you chaps
confirm or correct me
many thanks

  €dstowe 09:35 05 Jul 2008

Those symptoms do suggest a battery error.

  MarvintheAndroid 11:32 05 Jul 2008

CR2032, you get them from Tescos these days.


  wis 13:00 05 Jul 2008

thanks chaps
built a few pcs, never changed battery any do`s
donts, is it one fit all or must i ensure correct
model for m board
many thanks

  Ditch999 13:11 05 Jul 2008

You need to check the battery that is in it and get the same one. They are usually CR2032 as mentioned but some can be different. Use HWMonitor to see the battery voltage click here

  Halmer 13:42 05 Jul 2008

or you may lose them (didn't on mine tho') when you take the old one out.

  ronalddonald 18:04 05 Jul 2008

You can see perfect examples of replacing the CMOS battery. Also did your motherboard come with a pdf file there shouild be more info there or in the mothrboard handbook.

I had to reset my bios using a two pin switch but i could see the battery.

Just make sure you ground yourself using those wrist things. and like Halmer said record the bios 1st using pen and paper

  skidzy 18:15 05 Jul 2008

Cmos battery click here

How to change the battery click here

Resetting the bios by using the jumpers will achieve very little if the battery is dead/dying.A simple process of replacing the Cmos battery should cure your problems Wis.

  mrwoowoo 19:35 05 Jul 2008

If you remove and replace the battery within 15secs,you shouldn't lose any bios settings.

  DieSse 20:10 05 Jul 2008

Ensure you remove power from the system first - not just power down as normal. Switch off at mains, or better, pull plug from back of system.

  wis 21:43 06 Jul 2008

many thanks to you all
sorted wis

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