HP E22 G4 - RoHS (2002;95;EC) Requirements; General Descriptions; Firmware Updates; Before Returning the Repaired Product to the Customer

3
Disconnect the
connecters
Remove
the
mylar
Tear out all
tapes and
disconnect the
connectors by
hand
Remove
the
power
board
Remove the
screws by the
screwdriver
Remove
the main
board
Remove the
screws by the
screwdriver