HP E840 A Series User And Service Manual page 20

20 Getting Started
4. Remove the 0Ω resistor by heating both sides simultaneously with
soldering irons. Separate the resistor from the board by gently
pressing the tips of the soldering irons together.
5. Save the resistor in order to re-enable the On/Stdby switch. Again,
heat damage may prevent the resistor from being re-installed.
6. Replace the mainframe cover and rear panel. Make certain that all ten
mainframe cover screws and all 14 rear panel screws are secured.
Chapter 1