Dell 3450 Owner's Manual download pdf (Page 54)

Device Status Lights

Icon Description

Turns on when you turn on the computer and blinks when the computer is in a power

management mode.

Turns on steadily or blinks to indicate battery charge status.

Battery Status Lights

If the computer is connected to an electrical outlet, the battery light operates as follows:

Alternately

blinking amber

light and white

light

An unauthenticated or unsupported non-Dell AC adapter is attached to your

laptop.

Alternately

blinking amber

light with

steady white

light

Temporary battery failure with AC adapter present.

Constantly

blinking amber

light

Fatal battery failure with AC adapter present.

Light off Battery in full charge mode with AC adapter present.

White light on Battery in charge mode with AC adapter present.

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Dell Latitude 3450 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
Removing the Base Cover 8
Installing the Base Cover 9
Removing the Battery 10
Installing the Battery 11
Removing the Hard Drive 12
Installing the Hard Drive 13
Removing the WLAN Card 13
Installing the WLAN Card 14
Removing the System Fan 14
Installing the System Fan 16
Removing the Keyboard 16
Installing the Keyboard 18
Removing the Base Frame 22
Installing the Base Frame 24
Removing the Heatsink 25
Installing the Heatsink 26
Removing the I/O Board 26
Installing the I/O Board 27
Removing the Display Assembly 28
Removing the Display Bezel 30
Installing the Display Bezel 31
Removing the Display Panel 32
Installing the Display panel 33
Removing the Display Hinge 34
Installing the Display Hinge 35
Removing the Camera 35
Installing the Camera 36
Removing the System Board 36
Installing the System Board 37
Removing the Speakers 38
Installing the Speakers 39
Removing the Power Connector 39
System Setup 41
System Setup Options 42
Table 3. System Configuration 43
Table 4. Video 44
Table 5. Security 45
Table 6. Secure Boot 46
Table 7. Performance 47
Table 8. Power Management 47
Table 9. POST Behavior 49
Updating the BIOS 50
System and Setup Password 51
Diagnostics 53
Device Status Lights 54
Battery Status Lights 54
Specifications 55
Table 18. Video 56
Table 19. Camera 56
Table 20. Communication 56
Table 22. Display 57
Table 23. Keyboard 57
Table 24. Touchpad 58
Table 25. Battery 58
Table 26. AC Adapter 58
Table 27. Physical 59
Table 28. Environmental 59
Contacting Dell 60

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Dell 3450 Owner's Manual Page 54

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