Dell E7440 Bedienungshandbuch PDF herunterladen (Seite 39)

Removing the I/O Board

1. Follow the procedures in

Before Working Inside Your Computer

2. Remove:

a) SD card

b) battery

c) base cover

d) hard drive

e) keyboard trim

f) keyboard

g) palmrest

h) speaker

i) display-hinge cover

j) display assembly

k) system board

3. Disconnect the I/O cable from the system board remove the screw that secures the I/O board to the computer.

Remove the I/O board from the computer.

Installing the I/O Board

1. Place the I/O board in its slot and snap it in place.

2. Tighten the screws to secure the I/O board.

3. Connect the I/O cable to the system board.

4. Install:

a) system board

b) display assembly

c) display-hinge cover

d) speaker

e) palmrest

f) keyboard

g) keyboard trim

h) hard drive

i) base cover

j) battery

k) SD card

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Dell Latitude E7440 1
Owner's Manual 1
Notes, Cautions, and Warnings 2
Contents 3
Working on Your Computer 5
Turning Off Your Computer 6
Recommended Tools 9
System Overview 9
Removing the SD Card 10
Installing the SD Card 10
Removing the Battery 11
Installing the Battery 12
Removing the Base Cover 12
Installing the Base Cover 14
Removing the Hard Drive 14
Installing the Hard Drive 16
Removing the Keyboard Trim 16
Installing the Keyboard Trim 17
Removing the Keyboard 17
Installing the Keyboard 19
Removing the WLAN Card 19
Installing the WLAN Card 19
Removing the mSATA SSD Card 20
Installing the mSATA SSD Card 20
Removing the Memory Module 20
Installing the Memory Module 20
Removing the Palmrest 21
Installing the Palmrest 24
Removing the Speakers 25
Installing the Speakers 26
Removing the Display Assembly 27
Removing the System Fan 33
Installing the System Fan 33
Removing the Heatsink 34
Installing the Heatsink 34
Removing the System Board 35
45-degree angle 36
Installing the System Board 37
Removing the Power Connector 38
Removing the I/O Board 39
Installing the I/O Board 39
Removing the Display Bezel 40
Installing the Display Bezel 40
Removing the Display Panel 40
Installing the Display Panel 41
Removing the Camera 41
Installing the Camera 42
Docking Port Information 43
System Setup 45
System Setup Options 46
Table 3. System Configuration 47
Table 4. Video 49
Table 5. Security 49
Table 6. Secure Boot 50
Table 7. Performance 51
Table 8. Power Management 52
Table 9. POST Behavior 53
Table 11. Wireless 54
Updating the BIOS 55
System and Setup Password 56
Diagnostics 59
Battery Status Lights 60
Specifications 61
Table 20. Video 62
Table 21. Camera 62
Table 22. Communications 62
Table 24. Display 63
Table 25. Keyboard 63
Table 26. Touchpad 63
Table 27. Battery 63
Table 28. AC Adapter 64
Table 29. Physical 65
Table 30. Environmental 65
Contacting Dell 67

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