Dell 2421 manuals

Dell 2421 Owner's Manual (55 pages)

Brand: Dell | Category: Laptops | Size: 6.45 MB |

English

Table of contents

Dell Vostro 2421

1

Owner's Manual

1

Contents

2

Working on Your Computer

5

Turning Off Your Computer

6

Recommended Tools

9

Removing the Battery

9

Installing the Battery

10

Removing the Access Panel

10

Installing the Access Panel

11

Removing the Memory Module

11

Installing the Memory Module

12

Removing the Keyboard

15

Removing the Palmrest

17

Installing the Keyboard

17

Installing the Palmrest

20

Removing the System Board

22

Installing the System Board

24

Removing the Heatsink

25

Installing the Heatsink

25

Removing the Speakers

26

Installing the Speakers

27

Removing the Display Assembly

27

Removing the Display Bezel

29

Installing the Display Bezel

30

Removing the Display Panel

30

Installing the Display Panel

32

Removing the Display Hinges

32

Installing the Display Hinges

33

Removing the Camera Module

34

Installing the Camera Module

35

System Setup

37

System Setup Options

38

Table 3. Advance Options

39

Table 4. Security Options

40

Table 5. Boot Options

40

Updating the BIOS

41

System and Setup Password

41

Troubleshooting

45

Beep Codes

46

LED Error Codes

47

Specifications

49

Table 13. Video

50

Table 14. Camera

50

Table 15. Communication

50

Table 17. Display

51

Table 18. Keyboard

51

Table 19. Touchpad

51

Table 20. Battery

51

Table 21. AC Adapter

52

Table 22. Physical

52

Table 23. Environmental

53

Contacting Dell

55

More products and manuals for Laptops Dell

Models	Document Type
5521	Owner's Manual DELL Inspiron 5521, 94 pages
14 3442	Owner's Manual DELL Inspiron 14 3442, 84 pages
3560	Owner's Manual DELL Vostro 3560, 71 pages
3135	Owner's Manual DELL Inspiron 3135, 49 pages
M4800	Owner's Manual DELL Precision M4800, 83 pages
13	Owner's Manual DELL XPS 13, 58 pages
5748	Owner's Manual DELL Inspiron 5748, 93 pages
Vostro V 3800	Owner's Manual DELL Precision M3800, 51 pages
M3800	Owner's Manual DELL Precision M3800, 51 pages
E6430 ATG	Owner's Manual DELL Latitude E6430, 83 pages
5537	Owner's Manual DELL Inspiron 5537, 68 pages
3550	Owner's Manual DELL Latitude 3550, 58 pages
7746	Service Manual DELL Inspiron 7746, 61 pages
5480	Owner's Manual DELL Vostro 5480, 45 pages
M4800	Owner's Manual DELL Precision M4800, 79 pages
1545-3250ST45	Datasheet DELL Inspiron 1545, 72 pages
7737	Owner's Manual DELL Inspiron 7737, 60 pages
12	Owner's Manual DELL XPS 12, 56 pages
3537	Owner's Manual DELL Inspiron 3537, 65 pages
3137	Owner's Manual DELL Inspiron 3137, 49 pages

Dell devices