Table of contents

1 Product description ........................................................................................................................................

1

2

External component identification ................................................................................................................

8

 

Display ..................................................................................................................................................

8

 

Top .......................................................................................................................................................

9

 

TouchPad ............................................................................................................................

9

 

Lights .................................................................................................................................

10

 

Buttons, speakers, and fingerprint reader (select models only) .........................................

11

 

Keys ...................................................................................................................................

12

 

Model 4540s ......................................................................................................

12

 

Model 4440s/4441s ...........................................................................................

13

 

Front ...................................................................................................................................................

14

 

Left .....................................................................................................................................................

15

 

Right ...................................................................................................................................................

16

3

Illustrated parts catalog ...............................................................................................................................

17

 

Service tag .........................................................................................................................................

17

 

Computer major components .............................................................................................................

18

 

Model 4540s ......................................................................................................................

18

 

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 ...............................................................................................

36

 

Tools required ....................................................................................................................

36

 

Service considerations .......................................................................................................

36

v