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AVADirect Clear CMOS (Reset BIOS) Information

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AVADirect Clear CMOS (Reset BIOS) Information

There’s a CMOS reminiscence onboard that’s powered externally from a battery positioned on the motherboard to save lots of system configuration knowledge. If you wish to clear the system configuration, set the jumper to clear the CMOS reminiscence.
There are a pair strategies on resetting the CMOS. Most motherboards have the standard “Jumper”. As expertise improves, the CMOS reset course of has advanced into built-in buttons and eradicating the jumper in complete. Strategies on clearing the CMOS might be described within the circumstances beneath.

– Resetting BIOS to default values (Clear CMOS) “Jumper”

1. Energy off the pc and unplug the ability wire.
2. Use a jumper cap (a small screw driver will do) to quick the CMOS pins
3. Maintain the jumper cap (screwdriver) in place for about 5-10 seconds
4. Take away the jumper cap (screwdriver) from the jumper pins
5. Plug the ability wire in and check out powering on the pc as you usually would


a. Most jumper pins could be positioned close to the CMOS battery. Or within the neighborhood of the highlighted space on the motherboard above.
b. Illustration of a 2-pin CMOS header.
c. Illustration of a 3-pin CMOS header and what it ought to appear like when the corresponding pins are jumped
Observe: Most motherboards have already got a jumper on pins 1 & 2 and require that jumper to maneuver to pins 2 & 3 in an effort to be efficiently jumped.
d. Image of motherboard jumpers.

– Resetting the BIOS to default values (Clear CMOS) “Battery”

1. Energy off the pc and unplug the ability wire.
2. Find the CMOS Battery
3. Use a small flat headed screw driver to push the pin holding the battery in place, then raise the battery out of the socket.
4. Go away the battery out of the socket for 5-10 seconds.
5. Place the battery again into the socket
6. Plug in and energy in your laptop as you’ll usually

A picture of a typical CMOS battery and socket
CMOS batteries on newer fashions are linked by a 2-pin cable

– Resetting the BIOS to default values (Clear CMOS) “BIOS button”

1. Energy off the pc and unplug the ability wire.
2. Find the “CMOS” button on the again of the board close to the I/O ports
3. Press and maintain the “CMOS” button for 5-10 seconds
4. Plug within the energy and energy on the pc as you’ll usually

A picture of a typical CMOS button

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