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G7 7790
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4.
Replace the
graphics-card fan
.
5.
Replace the
wireless card
.
6.
Replace the
solid-state drive/Intel Optane
.
7.
Replace the
memory modules
.
8.
Replace the
battery
.
9.
Replace the
base cover
.
84
Replacing the power button with fingerprint reader
83
85
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Before Working Inside Your Computer
7
Before You Begin
7
2 After Working Inside Your Computer
8
3 Safety Instructions
9
Electrostatic Discharge-ESD Protection
9
ESD Field Service Kit
10
Transporting Sensitive Components
11
4 Recommended Tools
12
5 Screw List
13
6 Removing the Base Cover
15
Procedure
15
7 Replacing the Base Cover
18
Procedure
18
8 Removing the Battery
21
Lithium-Ion Battery Precautions
21
Prerequisites
21
Procedure for Removing the Battery for Computers Shipped Without Hard Drive
21
Procedure for Removing the Battery for Computers Shipped with Hard Drive
22
9 Replacing the Battery
24
Procedure for Replacing the Battery for Computers Shipped Without Hard Drive
24
Procedure for Replacing the Battery for Computers Shipped with Hard Drive
24
Post-Requisites
25
10 Removing the Memory Modules
26
Prerequisites
26
Procedure
26
11 Replacing the Memory Modules
28
Procedure
28
Post-Requisites
29
12 Removing the Hard Drive
30
Prerequisites
30
Procedure (Applicable Only on Computers Shipped with 4-Cell Battery)
30
13 Replacing the Hard Drive
33
Procedure (Applicable Only on Computers Shipped with 4-Cell Battery)
33
Post-Requisites
34
14 Removing the Coin-Cell Battery
35
Prerequisites
35
Procedure
35
15 Replacing the Coin-Cell Battery
36
Procedure
36
Post-Requisites
36
16 Removing the Speakers
37
Prerequisites
37
Procedure
37
17 Replacing the Speakers
38
Procedure
38
Post-Requisites
38
18 Removing the Touchpad
39
Prerequisites
39
Procedure
39
19 Replacing the Touchpad
41
Procedure
41
Post-Requisites
42
20 Removing the Solid-State Drive/Intel Optane
43
Prerequisites
43
Procedure
43
21 Replacing the Solid-State Drive/Intel Optane
45
Procedure to Move the Screw Mount
45
Procedure
47
Post-Requisites
49
22 Removing the Wireless Card
50
Prerequisites
50
Procedure
50
23 Replacing the Wireless Card
52
Procedure
52
Post-Requisites
53
24 Removing the Graphics-Card Fan
54
Prerequisites
54
Procedure
54
25 Replacing the Graphics-Card Fan
56
Procedure
56
Post-Requisites
57
26 Removing the Processor Fan
58
Prerequisites
58
Procedure
58
27 Replacing the Processor Fan
59
Procedure
59
Post-Requisites
59
28 Removing the Heat Sink
60
Prerequisites
60
Procedure
60
29 Replacing the Heat Sink
61
Procedure
61
Post-Requisites
61
30 Removing the I/O Board
62
Prerequisites
62
Procedure
62
31 Replacing the I/O Board
63
Procedure
63
Post-Requisites
63
32 Removing the Display Assembly
64
Prerequisites
64
Procedure
64
33 Replacing the Display Assembly
69
Procedure
69
Post-Requisites
72
34 Removing the System Board
73
Prerequisites
73
Procedure
73
35 Replacing the System Board
77
Procedure
77
Post-Requisites
80
Entering the Service Tag in the BIOS Setup Program
80
36 Removing the Power Button with Fingerprint Reader
81
Prerequisites
81
Procedure
81
37 Replacing the Power Button with Fingerprint Reader
83
Procedure
83
Post-Requisites
83
38 Removing the Palm-Rest and Keyboard Assembly
85
Prerequisites
85
Procedure
85
39 Replacing the Palm-Rest and Keyboard Assembly
87
Procedure
87
Post-Requisites
87
40 Device Drivers
89
Intel Chipset Software Installation Utility
89
Video Drivers
89
Intel Serial IO Driver
89
Intel Trusted Execution Engine Interface
89
Intel Virtual Button Driver
89
Wireless and Bluetooth Drivers
89
41 System Setup
90
Entering BIOS Setup Program
90
Navigation Keys
90
Boot Sequence
90
System Setup Options
91
Clearing CMOS Settings
95
Clearing BIOS (System Setup) and System Passwords
95
42 Troubleshooting
96
Enhanced Pre-Boot System Assessment (Epsa) Diagnostics
96
Running the Epsa Diagnostics
96
System Diagnostic Lights
96
Flashing BIOS (USB Key)
97
Flashing the BIOS
97
Enabling Intel Optane Memory
98
Disabling Intel Optane Memory
98
Wifi Power Cycle
98
Flea Power Release
98
43 Getting Help and Contacting Dell
100
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