HP ProBook 4545s Notebook PC Maintenance and Service Guide

Description Spare part number
Complete hinge–up display assembly, 39.6-cm (15.6-inch) HD, Anti-glare, without webcam 683596-001
Complete hinge–up display assembly, 39.6-cm (15.6-inch) HD, Anti-glare, with webcam 683597-001
Display bezel 39.6-cm (15.6-inch), without webcam and LCD rubbers 683479-001
Display bezel 39.6-cm (15.6-inch), with webcam and LCD rubbers 683478-001
Display hinges, includes plastic hinge covers and LCD rubbers 683480-001
Webcam 683508-001
Microphone 647675-001
Before removing the display assembly, 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
Battery on page 37).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 38).
b. Optical drive (see
Optical drive on page 41).
c. WLAN module (see
WLAN/Bluetooth combo card on page 39).
d. Keyboard (see
Keyboard on page 47).
e. Metal heat shield (see
Metal heat shield on page 51).
f. Fan (see
Fan on page 53).
g. Heat sink (see
Heat sink on page 54).
h. Top cover (see
Top cover on page 58).
i. System board (see
System board on page 70).
Remove the display assembly:
1. Position the computer upright with the front toward you.
2. Open the computer as far as possible.
78 Chapter 4 Removal and replacement procedures