How do I reset cmos battery

what are the steps to reset the cmos battery and where is it located
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edwarddodsonAuthor Commented:
I really appreciate the quick response,Thank-You.
it should be located below(underneath) the motherboard.

You can buy an userguide on how to do this here:,Service,Manual&recor=1&SearchFor=any&PT_ID=all

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What is problem that you need to reset bios for dell laptop? is it date and time issue and error message appears during start up or ......?
The simple way to reset bios is to use key combination:
- F2 at start up to access bios page
- Turn on cap lock, num lock, and scroll lock
- Hold down ALT key and type EFB
That should reset bios for your dell.
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