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Do I need to regularly update my BIOS?
Your system BIOS is software, but updating it regularly may not be appropriate. Updating it to fix a bug, of course, would be. (Continue reading...)

How often should I replace my CMOS battery, and what does it do, anyway?
Replacing a computer's CMOS battery isn't difficult, but since CMOS batteries last so long it's often not even necessary. (Continue reading...)