Dell L400 service manual APR Docking Doors

1.Remove the keyboard bezel.

2.Remove the display assembly.

3.Remove the keyboard.

4.Remove the palmrest assembly.

5.Remove the system board.

NOTICE: The tabs on the release button are plastic. Care should be taken when squeezing the tabs to avoid breaking them.

6.Using needle-nose pliers, gently squeeze the two tabs on the back of the release button together and grasp the top of the battery release latch and gently pull up to free it from the release button assembly (see Figure 24).

7.To remove the battery release latch, unhook the small tension spring located on the metal post next to the hard-disk drive.

APR Docking Doors

1.Turn the computer upside down.

The APR docking doors should be at the top.

2.Carefully insert a small flat-blade screwdriver in the opening between the door edges and the edge of the door opening on the right side.

There is a small slot at the right edge of the door opening to show where the screwdriver is placed.

3.Gently push the screw driver against the right edge of the back door to cause the door to bow up at their center.

4.Grasp the back door as it bows up while still pressing the door edge with the screwdriver.

5.Carefully slip the right-edge hinge of the back door off its right hinge pin.

NOTICE: The doors are attached to each other by a tension spring at the left end of the doors. Do not try to separate the doors from each other. They must be removed together.

6.Gently push the screw driver against the right edge of the front door to cause the door to bow up at their center.

7.Grasp the front door as it bows up while still pressing the door edge with the screwdriver.

8.Carefully slip the right-edge hinge of the front door off its right hinge pin.

9.Grasping both doors together, carefully slip the left side of each door off their left hinge pins.

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