Upgraded CPU but the case LED did not change due to LED must be set manually.

Cause:


The case LED display must be set manually to match CPU speed.

Solution:


Turn off the computer, disconnect power cords, remove the computer cover, and change the LED display jumpers to match CPU speed.
NOTE: Refer to the computer manual for the correct LED jumper settings.

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: Please observe steps to reduce the potential damage to computer components from electrostatic discharge.