How to: Replace the CMOS chip.
Solution:
NOTE: This task should be done by a qualified computer technician.
Remove the computer cover and locate and remove the old CMOS chip. Install the new CMOS chip, run setup, and replace computer cover.
WARNING: Electrical shock hazard! Make sure the power is turned off and the external power cables have been disconnected before removing the computer cover.
CAUTION 1: This task should be performed by a qualified computer technician.
CAUTION 2: Improperly changing the CMOS chip will make the computer unusable and may damage to motherboard.
CAUTION 3: Please observe steps to reduce the potential damage to computer components from electrostatic discharge.
NOTE 1: Replacing the CMOS chip will require that BIOS setup be run to configure the system hardware. If you did not know have a hard copy of the current BIOS settings, DO NOT REMOVE the CMOS chip, and contact next-level support or a qualified computer technician, before proceeding any further.
NOTE 2: You must have your computer's user manual to complete the following steps.
1) Remove the computer cover.
2) Locate the CMOS chip on the motherboard.
3) Touch the chassis to discharge any static electricity, and remove the old CMOS chip using a chip puller. Grasp the edges firmly between the tips of the tweezers, and pull straight up (rocking gently back and forth if necessary).
4) Install the new CMOS chip by aligning its pins with the socket, and pressing down firmly until seated.
CAUTION: Be careful not to bend or damage delicate pins on CMOS chip.
5) Run the BIOS Setup and follow the upgrade instructions to enter new values where appropriate.
6) Reboot the computer and use appropriate applications and peripherals to test the new BIOS.
7) If a problem is encountered, contact the hardware vendor that provided the CMOS chip for assistance.
8) Replace the computer cover
9) If problems persist, reinstall the old CMOS chip and follow steps 1) through 8).
