HP ProBook 4430s, 4431s, 4330s and 4331s Notebook PCs - Maintenance and Service Guide
8. Insert a screwdriver through the hole in the battery bay and press to disengage the top cover
from the computer.
9. Pull up on the top of the top cover (1), pull upward on the left (2) and right sides (3), and then
remove the top cover from the computer (4).
Reverse this procedure to install the top cover.
Note the correct cable routing paths for the antenna cables. Make sure you properly route all cables
when installing the top cover as shown in the following images.
Component replacement procedures 77