Dell Precision M40 - Manual (Page 3)

Screw Identification
When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the component screws.The placemat
provides the number of screws and the sizes.
Screw Identification
NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Make sure that the screw is properly aligned with its
corresponding hole, and avoid overtightening.
Screw Placement Map
Hard Drive Door Security:
M3.0 x 5 mm (1 each)
Keyboard to Bottom Case Assembly:
M2.5 x 20 mm (4 each; one in memory door and
one in mini-PCI door)
Display to Base:
M2.5 x 6 mm (3 each; 2 at back of system; 1 at
flex cable strain relief)
Display Bezel:
Rubber screw covers (4
each)
Plastic screw covers (2
each)
M2.5 x 4 mm (6 each)
Display Panel to Display Mounting Bracket:
M2.0 x 3 mm(6 each)
Flex Cable Mounting Bracket to Top Cover:
M2.5 x 4 mm (1 each)
Video Graphics Board:
M2.5 x 8 (3 each)
Palmrest to
Bottom Case Assembly:
M2.5 x 20 mm (9 each)
System Board:
M2.5 x 4 mm captive washer
(3 each)
LED Board:
M2.0 x 4 mm (2 each)