Dell 3451 Service Manual download pdf (Page 13)

After working inside your

computer

CAUTION: Leaving stray or loose screws inside your computer may

severely damage your computer.

1 Replace all screws and ensure that no stray screws remain inside your

computer.

2 Connect any external devices, peripherals, and cables you removed

before working on your computer.

3 Replace any media cards, discs, and any other parts that you removed

before working on your computer.

4 Connect your computer and all attached devices to their electrical

outlets.

5 Turn on your computer.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 95 96

Inspiron 14 1
Service Manual 1
Notes, Cautions, and Warnings 2
Contents 3
Before working inside your 10
Recommended tools 11
• Philips screwdriver 12
• Plastic scribe 12
After working inside your 13
Removing the battery 14
Replacing the battery 15
Removing the base cover 16
Replacing the base cover 17
Removing the hard drive 18
3 hard drive 4 interposer 20
Replacing the hard drive 21
Removing the memory 22
Replacing the memory 24
Post-requisites 25
Removing the wireless card 26
3 screw 4 notch 27
5 tab 6 wireless-card slot 27
Replacing the wireless card 28
Removing the keyboard 29
1 tabs (5) 2 plastic scribe 30
1 latch 2 keyboard cable 31
Replacing the keyboard 32
Removing the palm rest 33
1 screws (8) 2 computer base 35
3 speaker cable 35
Replacing the palm rest 38
Removing the touch pad 39
1 tape 2 palm-rest assembly 41
3 latch 4 touch-pad cable 41
Replacing the touch pad 42
Removing the power-button 43
1 screw 2 power-button board 44
Replacing the power-button 45
Removing the speakers 46
3 speakers (2) 47
Replacing the speakers 48
Removing the I/O board 49
1 screw 2 I/O board 50
3 latch 4 I/O-board cable 50
Replacing the I/O board 51
Removing the system board 52
Replacing the system board 55
6 Replace the base cover 56
7 Replace the battery 56
Removing the coin-cell 57
Procedure 59
Removing the thermal-cooling 60
1 fan cable 2 system board 61
Removing the fan 63
Replacing the fan 65
Removing the display 66
3 hinges (2) 70
Post-requites 71
Removing the display bezel 72
Replacing the display bezel 74
Removing the display panel 75
1 screws (4) 2 display panel 76
Replacing the display panel 78
Removing the display hinges 79
3 display back-cover 80
Replacing the display hinges 81
Removing the display back 82
1 display back-cover 83
Replacing the display back 84
Removing the camera 85
1 display back-cover 2 camera 86
Replacing the camera 87
Removing the power-adapter 88
Replacing the power-adapter 90
Removing the computer base 91
1 computer base 92
Replacing the computer base 93
Flashing the BIOS 94
Getting help and contacting 95

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Dell 3451 Service Manual Page 13

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