Dell E5540 Owner's Manual download pdf (Page 50)

NOTE: If you change the System and/or Setup password, re-enter the new password when

promoted. If you delete the System and/or Setup password, confirm the deletion when

promoted.

5. Press <Esc> and a message prompts you to save the changes.

6. Press <Y> to save the changes and exit from the System Setup.

The computer reboots.

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Dell Latitude E5540 1
Owner's Manual 1
Notes, cautions, and warnings 2
Contents 3
Working on Your Computer 5
Turning Off Your Computer 6
Recommended Tools 8
System Overview 8
Removing the Battery 9
Installing the Battery 10
Removing the SD Card 10
Installing the SD Card 10
Removing the ExpressCard 10
Removing the Display Panel 11
Installing the ExpressCard 11
Removing the Display Bezel 11
Installing the Display Bezel 11
Installing the Display Panel 12
Removing the Camera 13
Installing the Camera 13
Removing the Keyboard Trim 13
Installing the Keyboard Trim 14
Removing the Keyboard 14
Installing the Keyboard 15
Removing the Base Cover 15
Installing the Base Cover 16
Removing the Memory Module 16
Installing the Memory Module 16
Removing the Hard Drive 17
Installing the Hard Drive 18
Removing the Hard-Drive Cage 18
Removing the Optical Drive 19
Installing the Optical Drive 20
Removing the WLAN Card 20
Installing the WLAN Card 20
Removing the Display Hinge 21
Installing the Display Hinge 22
Removing the Palmrest 22
Installing the Palmrest 23
Removing the ExpressCard Cage 24
Removing the System Fan 25
Installing the System Fan 25
Removing the System Board 26
Installing the System Board 27
Removing the Heatsink 28
Installing the Heatsink 29
Removing the I/O Board (Left) 29
Removing the Power Connector 32
Removing the Speakers 33
Installing the Speakers 34
System Setup 37
System Setup Options 38
Table 3. System Configuration 39
Table 4. Video 41
Table 5. Security 41
Table 6. Secure Boot 42
Table 7. Performance 43
Table 8. Power Management 44
Table 9. POST Behavior 45
Table 11. Wireless 47
Table 12. Maintenance 47
Updating the BIOS 48
System and Setup Password 48
Diagnostics 51
Device Status Lights 52
Battery Status Lights 52
Specifications 53
Table 18. Audio 54
Table 19. Video 54
Table 20. Communications 54
Table 22. Display 55
Table 23. Keyboard 56
Table 24. Touchpad 56
Table 25. Battery 56
Table 26. AC Adapter 57
Table 27. Physical 58
Table 28. Environmental 58
Contacting Dell 59

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Dell E5540 Owner's Manual Page 50

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