HP ProBook 4430s, 4431s, 4330s and 4331s Notebook PCs - Maintenance and Service Guide

Display assembly
All display assemblies include WLAN antenna transceivers and cables. WWAN models include 2
WWAN antenna transceivers and cables.
Description Spare part number
For use in HP ProBook 4330s/4331s models:
●
33.8-cm (13.3-inch) HD, Anti-glare, without webcam 646995-001
●
33.8-cm (13.3-inch) HD, Anti-glare, with webcam 646996-001
● 33.8-cm (13.3-inch) HD, BrightView, without webcam 646997-001
●
33.8-cm (13.3-inch) HD, BrightView, with webcam 646998-001
●
33.8-cm (13.3-inch) HD, Anti-glare, with webcam and WWAN 646999-001
● 33.8-cm (13.3-inch) HD, BrightView, with webcam and WWAN 647000-001
For use in HP ProBook 4430s/4431s models:
●
35.6-cm (14.0-inch), Anti-glare, without webcam 646991-001
● 35.6-cm (14.0-inch), Anti-glare, with webcam 646992-001
●
35.6-cm (14.0-inch), BrightView, without webcam 646993-001
●
35.6-cm (14.0-inch), BrightView, with webcam 646994-001
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 48).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 50).
b. Hard drive (see
Hard drive on page 53)
c. Optical drive (see
Optical drive on page 51)
d. WLAN module (see
WLAN/Bluetooth combo card on page 59)
e. WWAN module (see
WWAN module on page 57)
f. Fan (see
Fan on page 67)
g. Heat sink (see
Heat sink on page 69)
h. Modem module (see
Modem module on page 81)
Component replacement procedures 103