Dell Precision M2400 Service Manual page 37

9. For touch screen display panels, disconnect the touch screen cable.
1 display cable
3 underside of display panel
5 touch screen cable connector (touch screen display panels only)
10. Remove four M2 x 3-mm screws from the right bracket and four
M2 x 3-mm screws from the left bracket.
1 display panel 2 bracket
3 M2 x 3-mm screws (8)
Replacing the Display Panel and Brackets (E6400 ATG)
CAUTION: Before you begin the following procedure, follow the safety instructions that shipped with your computer.
NOTICE: On touch screen display panels, use care when installing the brackets. There is a cable that wraps around the side of the touch screen
display panel, and the bracket is installed on top of the cable.
NOTE: The brackets are labeled "L" (left) and "R" (right).
1. Replace the four M2 x 3-mm screws on the right display panel bracket and the four M2 x 3-mm screws on the left display panel bracket.
2. Place the display panel upside down on your workspace in front of the display cover.
3. Connect the display cable to the connector on the back of the display panel.
4. For touch screen panels, connect the touch screen cable to the connector on the back of the display panel.
5. Place the display panel in display cover. Use the alignment posts in the display cover to align each bracket.
6. Replace the four M2.5 x 5-mm screws that secure the display panel to the display cover.
2 display connector release tabs
4 touch screen cable (touch screen display panels only)