1 Product description ........................................................................................................................................
1
2
External component identification ................................................................................................................
8
Display ..................................................................................................................................................
Top .......................................................................................................................................................
9
TouchPad ............................................................................................................................
Lights .................................................................................................................................
10
Buttons, speakers, and fingerprint reader (select models only) .........................................
11
Keys ...................................................................................................................................
12
Model 4540s ......................................................................................................
Model 4440s/4441s ...........................................................................................
13
Front ...................................................................................................................................................
14
Left .....................................................................................................................................................
15
Right ...................................................................................................................................................
16
3
Illustrated parts catalog ...............................................................................................................................
17
Service tag .........................................................................................................................................
Computer major components .............................................................................................................
18
Model 4540s ......................................................................................................................
Model 4440s/4441s ...........................................................................................................
22
Display components ...........................................................................................................................
25
Plastics Kit ..........................................................................................................................................
26
Cable Kit .............................................................................................................................................
27
Mass storage devices .........................................................................................................................
28
Miscellaneous parts ............................................................................................................................
29
Sequential part number listing ............................................................................................................
30
4 Removal and replacement procedures .......................................................................................................
36
Preliminary replacement requirements ...............................................................................................
Tools required ....................................................................................................................
Service considerations .......................................................................................................
v