Dell Inspiron 3800 System Reference Manual page 146

Power Sources: Dell Inspiron 3800 System Reference
To remove the display assembly, perform the following steps.
NOTICE: To avoid damaging the system board, the power cable, battery, and second battery (if installed) must be
removed before you service the computer.
NOTICE: Do not remove the palmrest before you remove the display.
1. Remove the keyboard
2. Close the display.
3. Remove the three 4-mm screws, labeled with a "circle D," from the back of the computer (see
4. Open the display.
5. Disconnect the liquid crystal display (LCD) flex cable from the connector on the system board by pulling
the connector straight up.
6. Lift the display assembly from the bottom case assembly.
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assembly.
3 Bottom case
assembly
4 Snap tab
5 LCD flex cable
6 Hinge cover
7 Display assembly
Figure 13).