Service Manual

Table 1. Screw list (continued)
Component Secured to Screw type Quantity Screw image
Heat sink System board Captive
● For computers
without discrete
graphics: 4
● For computers with
discrete graphics: 7
Fan Palm-rest and keyboard
assembly
M2x3 2
Display assembly Palm-rest and keyboard
assembly
M2x4 4
Power-adapter port Palm-rest and keyboard
assembly
M2x3 1
Touchpad bracket Palm-rest and keyboard
assembly
M2x2 3
Touchpad Palm-rest and keyboard
assembly
M2x2 2
I/O board Palm-rest and keyboard
assembly
M1.6x2.5 1
I/O board Palm-rest and keyboard
assembly
M2x2 1
Power-button bracket Palm-rest and keyboard
assembly
M2x3 3
Power-button Palm-rest and keyboard
assembly
M2x3 2
Wireless-card bracket System board M2x2.5 1
Touchpad Palm-rest and keyboard
assembly
M2x2 2
Touchpad bracket Palm-rest and keyboard
assembly
M2x2 3
Wireless-card bracket System board M2x3 1
System board Palm-rest and keyboard
assembly
M2x2 1
NOTE: Only on
computers with a
6-cell battery
Major components of Inspiron 7400
The following image shows the major components of Inspiron 7400.
10
Removing and installing components