How do you reset CMOS or BIOS?

How do I reset my motherboard BIOS?

Reset the BIOS to Default Settings (BIOS)

  1. Access the BIOS Setup utility. See Accessing BIOS.
  2. Press the F9 key to automatically load the factory default settings. …
  3. Confirm the changes by highlighting OK, then press Enter. …
  4. To save the changes and exit the BIOS Setup utility, press the F10 key.

Where is the CMOS reset button?

If you have a newer and fairly high-end motherboard, they often have a dedicated “Clear CMOS” button on either the rear I/O near the USB ports or on the motherboard itself, usually along the edges of the board. To use it, power the system on and then press the reset button.

Is resetting CMOS safe?

Clearing the CMOS should always be performed for a reason – such as troubleshooting a computer problem or clearing a forgotten BIOS password. There’s no reason to clear your CMOS if everything is working properly.

What happens if I reset BIOS to default?

A BIOS reset will erase BIOS settings and return them to the factory defaults. These settings are stored in non-volatile memory on the system board. This will not erase data on the system drives.

How long does it take for CMOS to reset?

It should only take 30 seconds. After taking out the battery, move the jumpers to the clear position and leave for a few seconds. If you put the jumper back to normal position, you’re done.

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