Complete these tasks:
Pull the keyswitch cable assembly from the back of the keyswitch assembly.
Gently twist the cable assembly back and forth while pulling it away from the keyswitch.
Remove the 3/16ths-inch nut from the front of the Power button.
Remove the LEDs and their cables from the system.
Using a flat-blade screwdriver, gently pull the plastic friction fit collars securing the LEDs from the chassis.
Gently push the LED's through their cutouts in the chassis.
Pull the keyswitch/power button/LED cable out the back of the system.
Disconnect the keyswitch/power button/LED cable from connector J0500 on the power distribution board.
To replace the keyswitch/power button/LED cable, complete this task: