How to Test and Replace Your CMOS Battery Share June 2, 2023 Dm4r Technology Are you worried your PC’s CMOS battery is dead or dying? The good news is that testing it, even without special equipment, is easy, and so is swapping it out. Here’s how to test your CMOS battery and replace it if needed. Read This Article on How-To Geek › Source : How to Test and Replace Your CMOS Battery