Main Power Switch Removal And Replacement - HP 400 Series Servicing Manual

5.5.33 Main Power Switch Removal and Replacement (Model 400s)
Follow these steps to remove the main power switch:
1. Remove the top and side covers, all ISA and DIO boards, card cage, converter
2. Remove the LED ribbon cable clamp from the chassis.
3. Disconnect the main power switch cable from the motherboard. You may need
4. On the back of the power switch, pinch the two catches together. Pull the power
To replace die main power switch, follow these steps:
1. Insert the power switch into its slot in the front wall and snap the tabs into
2. Route the main power switch cable to the motherboard through the notch in the
3. Connect the power switch cable to the motherboard.
4. Replace the LED cable clamp.
5. Replace all assemblies removed.
board, and center wall.
to maneuver it around the LED ribbon cable.
switch back out of the front plate and remove it, guiding its cable around the
sheet metal.
place.
card cage. You may need to maneuver it around the LED board ribbon cable.
FRU Removal and Replacement 5-75