Dell 5404 Owner's Manual download pdf (Page 34)

4. Perform the following steps as shown in the illustration:

a. Unlock the latch door[1].

b. Lift it downwards to open it [2].

c. Remove the screws that secure to the system board.

5. Perform the following steps as shown in the illustration:

a. Remove the screws that secure the system board to the computer [1].

b. Lift the system board from the computer [2].

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Owner's Manual 1
Notes, Cautions, and Warnings 2
Contents 3
Working on Your Computer 5
Turning Off Your Computer 6
Removing the Battery 8
Installing the Battery 8
Removing the Hard Drive 9
Installing the Hard Drive 9
Installing the Optical Drive 10
Removing the Bottom Cover 10
Installing the Bottom Cover 12
Removing the Keyboard 12
Installing the Keyboard 13
Removing the Memory Module 14
Installing the Memory Module 14
Removing the Docking Board 14
Installing the Docking Board 15
Removing the GPU Board 15
Installing the GPU Board 16
Removing the SIM Module 16
Installing the SIM Module 17
Removing the WLAN Card 17
Installing the WLAN Card 18
Removing the WWAN Card 18
Installing the WWAN Card 19
Removing the GPS Holder 19
Installing the RF Holder 20
Removing the Heatsink 20
Installing the Heatsink 21
Removing the System Fan 21
Installing the System Fan 21
Removing the RF Holder 22
Removing the Display Assembly 24
Removing the I/O Board 26
Installing the I/O Board 27
Removing the Optical Drive 27
Removing the SSD Bracket 29
Installing the SSD Bracket 30
Removing the USH Board 30
Installing the USH Board 31
Removing the Driving Board 31
Installing the Driving Board 32
Removing the System Board 33
Installing the System Board 35
System Setup 36
System Setup Options 37
Table 3. System Configuration 38
Table 4. Video 40
Table 5. Security 40
Table 6. Secure Boot 42
Table 7. Performance 43
Table 8. Power Management 43
Table 9. POST Behavior 45
Table 11. Wireless 46
Updating the BIOS 47
System and Setup Password 47
Diagnostics 50
Device Status Lights 51
Battery Status Lights 51
Specifications 52
Table 18. Video 53
Table 19. Communications 53
Table 21. Display 54
Table 22. Keyboard 55
Table 23. Touchpad 55
Table 24. Battery 55
Table 25. AC Adapter 55
Table 26. Auto-air Adapter 56
Table 27. Physical 56
Table 28. Environmental 56
Contacting Dell 58

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Dell 5404 Owner's Manual Page 34

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