Sony cmos battery

Sony CR2032 Lithium 3V CMOS Battery

• The CMOS battery powers the BIOS firmware in your laptop
• Every computer has BIOS pre-programmed into its hardware. BIOS is something that’s integrated into the computer while it’s being manufactured.

Signs that you computer may be needing a new CMOS battery

1. The laptop has difficult booting up
2. There’s a constant beeping noise from the motherboard
3. The date and time have reset
4. Peripherals aren’t responsive or they don’t respond correctly
5. Hardware drivers have disappeared
6. You can’t connect to the internet