Dell Precision M40 - Manual (Page 13)

Removing the Display Assembly Bezel
1. Use a scribe to pry out the four rubber screw covers located across the top of the bezel.
2. Remove the four 4-mm screws located across the top of the bezel.
3. Use a scribe at the indentations to pry out the two plastic screw covers located at the bottom of the bezel.
4. Remove the two 4-mm screws located at the bottom of the bezel.
5. Separate the bezel from the display-assembly top cover.
The bezel is secured to the display-assembly top cover with plastic tabs around the sides. Use a plastic scribe to help separate the bezel from the top
cover.
Removing the Display Panel
1. Remove the hinge cover .
2. Detach the display flex cable from the strain relief and the graphics card.
3. Remove the display assembly bezel .
4. Remove the 4-mm screw securing the plastic flex cable mounting bracket to the top cover assembly.
5. Remove the six 3-mm screws (three on each side) from the right and left sides of the panel.
6. Lift the display panel and flex cable out of the top cover assembly.
7. Disconnect the flex cable from the two connectors (a ZIF and a standard connector) on the display panel assembly.
Flex Cable Connectors on Display Panel