How do I remove the CMOS battery from my Dell desktop?

Cause

  1. Disconnect the power cable of the computer.
  2. Discharge static electricity by pressing and holding the power button for 10-15 seconds.
  3. Replace the battery with the exact same type of coin cell battery.
  4. Removing the CMOS battery erases the BIOS settings.
  5. Ensure to replace with a brand new battery.

Can I remove my CMOS battery?

Removing the CMOS battery Remove the node canister cover, as described in Removing and replacing the cover of a node canister. Locate the CMOS battery inside the node canister. Use a flat head screwdriver to gently pop the CMOS battery out of the battery holder, as shown in Figure 1.

What happens when the CMOS battery is removed and put back?

Removing the CMOS battery will allow your computer to run however, you will lose the date and time settings, the computer will boot with default BIOS settings or you will have to choose the drive that the OS is installed every time you start your computer.

What does removing the CMOS battery do?

The CMOS battery provides power used to save the BIOS settings — this is how your computer knows how much time has passed even when it’s been powered off for a while — so removing the battery will remove the source of power and clear the settings. Note: Not all motherboards have removable CMOS batteries.

Where is the CMOS battery Dell Latitude?

The CMOS battery is inside the computer and attached to the system board (motherboard).

Will dead CMOS battery cause computer not to boot?

A dead or weak CMOS battery will not prevent the computer from booting. You’ll just lose date and time.”

Can I run my laptop without CMOS battery?

Originally Answered: Can laptop work without CMOS battery? You can generally run your PC without the CMOS battery as long as your default CMOS parameters are compatible with the operating system, or as long as you manually set the appropriate CMOS parameters after every time the system loses power.

What problems can a dead CMOS battery cause?

A failed CMOS battery will cause the following problems:

  • The computer will give an incorrect date and time.
  • BIOS passwords will be reset.
  • Some drivers may be missing or may not work properly.
  • The computer will throw a boot error.