Dell G7 7790 - Recommended tools; Required Service Tools

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Recommended tools

The procedures in this document may require the following tools:

• Phillips screwdriver #0

• Phillips screwdriver #1

• Flat-head screwdriver

• Plastic scribe

4

12 Recommended tools

Table of Contents

Default Chapter3
- Table of Contents3
1 Before Working Inside Your Computer7
- Before You Begin7
2 After Working Inside Your Computer8
3 Safety Instructions9
- Electrostatic Discharge-ESD Protection9
- ESD Field Service Kit10
- Transporting Sensitive Components11
4 Recommended Tools12
5 Screw List13
6 Removing the Base Cover15
- Procedure15
7 Replacing the Base Cover18
- Procedure18
8 Removing the Battery21
- Lithium-Ion Battery Precautions21
- Prerequisites21
- Procedure for Removing the Battery for Computers Shipped Without Hard Drive21
  - Procedure for Removing the Battery for Computers Shipped with Hard Drive22
9 Replacing the Battery24
- Procedure for Replacing the Battery for Computers Shipped Without Hard Drive24
  - Procedure for Replacing the Battery for Computers Shipped with Hard Drive24
- Post-Requisites25
10 Removing the Memory Modules26
- Prerequisites26
- Procedure26
11 Replacing the Memory Modules28
- Procedure28
- Post-Requisites29
12 Removing the Hard Drive30
- Prerequisites30
- Procedure (Applicable Only on Computers Shipped with 4-Cell Battery)30
13 Replacing the Hard Drive33
- Procedure (Applicable Only on Computers Shipped with 4-Cell Battery)33
- Post-Requisites34
14 Removing the Coin-Cell Battery35
- Prerequisites35
- Procedure35
15 Replacing the Coin-Cell Battery36
- Procedure36
- Post-Requisites36
16 Removing the Speakers37
- Prerequisites37
- Procedure37
17 Replacing the Speakers38
- Procedure38
- Post-Requisites38
18 Removing the Touchpad39
- Prerequisites39
- Procedure39
19 Replacing the Touchpad41
- Procedure41
- Post-Requisites42
20 Removing the Solid-State Drive/Intel Optane43
- Prerequisites43
- Procedure43
21 Replacing the Solid-State Drive/Intel Optane45
- Procedure to Move the Screw Mount45
- Procedure47
- Post-Requisites49
22 Removing the Wireless Card50
- Prerequisites50
- Procedure50
23 Replacing the Wireless Card52
- Procedure52
- Post-Requisites53
24 Removing the Graphics-Card Fan54
- Prerequisites54
- Procedure54
25 Replacing the Graphics-Card Fan56
- Procedure56
- Post-Requisites57
26 Removing the Processor Fan58
- Prerequisites58
- Procedure58
27 Replacing the Processor Fan59
- Procedure59
- Post-Requisites59
28 Removing the Heat Sink60
- Prerequisites60
- Procedure60
29 Replacing the Heat Sink61
- Procedure61
- Post-Requisites61
30 Removing the I/O Board62
- Prerequisites62
- Procedure62
31 Replacing the I/O Board63
- Procedure63
- Post-Requisites63
32 Removing the Display Assembly64
- Prerequisites64
- Procedure64
33 Replacing the Display Assembly69
- Procedure69
- Post-Requisites72
34 Removing the System Board73
- Prerequisites73
- Procedure73
35 Replacing the System Board77
- Procedure77
- Post-Requisites80
- Entering the Service Tag in the BIOS Setup Program80
36 Removing the Power Button with Fingerprint Reader81
- Prerequisites81
- Procedure81
37 Replacing the Power Button with Fingerprint Reader83
- Procedure83
- Post-Requisites83
38 Removing the Palm-Rest and Keyboard Assembly85
- Prerequisites85
- Procedure85
39 Replacing the Palm-Rest and Keyboard Assembly87
- Procedure87
- Post-Requisites87
40 Device Drivers89
- Intel Chipset Software Installation Utility89
- Video Drivers89
- Intel Serial IO Driver89
- Intel Trusted Execution Engine Interface89
- Intel Virtual Button Driver89
- Wireless and Bluetooth Drivers89
41 System Setup90
- Entering BIOS Setup Program90
- Navigation Keys90
- Boot Sequence90
- System Setup Options91
- Clearing CMOS Settings95
- Clearing BIOS (System Setup) and System Passwords95
42 Troubleshooting96
- Enhanced Pre-Boot System Assessment (Epsa) Diagnostics96
  - Running the Epsa Diagnostics96
- System Diagnostic Lights96
- Flashing BIOS (USB Key)97
- Flashing the BIOS97
- Enabling Intel Optane Memory98
- Disabling Intel Optane Memory98
- Wifi Power Cycle98
- Flea Power Release98
43 Getting Help and Contacting Dell100

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