Replacing The Display Assembly; Removing The Display Bezel - Dell Precision M4400 Service Manual

8. Turn the computer topside up.
9. Open the display to 90 degrees and lift the display assembly off the base assembly.
1 display assembly 2 base assembly
Replacing the Display Assembly
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance.
1. Align the display hinges with the holes in the base of the computer, and lower the display into place.
2. Replace the two M2.5 x 5-mm screws on the hinges.
3. Close the display and turn the computer over.
4. Route the display cable and antenna (WLAN, WWAN, and WPAN) cables. Ensure that they are retained in the routing channels by the tabs provided.
5. Connect the WWAN antenna cables to the WWAN card. Place any unused antenna cables in the base assembly cable holders next to the card slot.
6. Connect the WPAN antenna cable to the WPAN card. Place any unused antenna cables in the base assembly cable holders next to the card slot.
7. Connect the WLAN antenna cables to the WPAN card. Place any unused antenna cables in the base assembly cable holders next to the card slot.
8. Connect the display cable to the display cable connector on the system board.
9. Replace the hinge covers (see
10. Replace the bottom of the base assembly (see
11. Replace the battery (see Replacing the
Removing the Display Bezel
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance.
1. Follow the instructions in Before Working on Your
2. Remove the display assembly (see
NOTICE: Removal of the bezel from the display back cover requires extreme care to avoid damage to the bezel.
Replacing the Hinge Covers).
Replacing the Bottom of the Base
Battery).
Computer.
Removing the Display Assembly).
Assembly).