Dell Latitude LM Service Manual page 70

To remove the top assembly, follow these steps:
1. Remove the LCD panel.
See "LCD Panel" found earlier in this chapter.
2. Remove the keyboard.
See the previous section, "Keyboard."
3. Remove side screws SD1 and SD2.
4. Disconnect the touch pad connector.
Use a small flat-blade screwdriver to release the connector from the main
board.
5. Separate the top assembly from the bottom assembly.
Insert your fingertips or a scribe in the crevice between the top assembly
and the bottom assembly, and lift up on the top assembly to release the hid-
den tabs spaced around the sides, front, and back.
When replacing the top assembly, orient the assembly in its original position
on the bottom assembly and press firmly near each tab until the hidden tabs
snap into place.
6. Disconnect the status-display board connector.
Use a small flat-blade screwdriver to release the connector from the main
board. Release the wire bundle from the hook on the I/O bracket.
7. Remove the power supply board.
8. Disconnect the LCD flex-cable connector on the main board.
Remove flex-cable screws SD3 and SD4. There is a ground wire attached to
screw SD4.
CAUTION: Do not attempt to remove the LCD flex cable from the
top assembly. The two connectors on the cable will not pass through
the slot on the back of the top assembly.
9. Remove the top assembly from the computer.
Removing and Replacing Parts 4-33