Power Cable - HP ProBook 4540s Maintenance And Service Manual

Power cable

The power cable is included in the Cable Kit, spare part number 683477-001 for 4540s models,
683640-001 for 4440s/4441s models.
Before removing the power cable, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Bottom door (see
b. Optical drive (see
c. WLAN/Bluetooth module (see
d. WWAN module (see
e. Keyboard (see
f. Top cover (see
g. Speaker assembly (see
h. System board (see
Remove the power cable:
1. Position the computer upright with the front toward you.
2. If necessary, disconnect the cable from the bottom of the system board (1).
Battery on page 55).
Bottom door on page
Optical drive on page
WLAN/Bluetooth combo card on page
WWAN module on page
Keyboard on page 70)
Top cover on page 82)
Speaker assembly on page
System board on page
58).
60)
66)
91)
99)
Component replacement procedures 109
68)