Why Does My Computer Forget the Date? Causes & Solutions

Discover why your computer loses track of the date and how to fix it easily.

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Your computer might forget the date due to a failing CMOS battery. This small battery maintains system settings, including the date and time, while your computer is off. To fix this, replace the CMOS battery, typically a CR2032 coin cell, which you can find at electronics stores. If uncertain, consult your computer's manual or a professional technician.

FAQs & Answers

  1. What is a CMOS battery? A CMOS battery is a small battery that powers the BIOS firmware in your computer, ensuring settings like date and time are retained when the computer is off.
  2. How do I know if my CMOS battery needs replacing? Common signs include your computer forgetting the date and time, or error messages related to date settings on startup.
  3. Can I replace the CMOS battery myself? Yes, replacing the CMOS battery is a straightforward process that you can do yourself with minimal tools, often needing just a screwdriver.

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