Dell Dimension 8300 PC Desktop "watch changes date wrong time" Questions

...date if this is wrong you may need to change the COSMOS battery take off the side panel you will see a large watch type battery it is sprung loaded just replace it. or insert your operating system ...

...Date / Time (usually it is the default). Then watch for errors related with the System Clock. (Note: errors are in the color of Red with an X mark. Warnings are Yellow with an ! mark). If you are ...

...watch" battery on the motherboard.  This allows the computer to save the bois when there is no power.  Pull the battery out, now before doing anything else; hold the power button in on the ...