Dell G7 7790 - Page 99

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3. Press and hold the power button for 15 seconds to drain the flea power.

4. Connect the power adapter to your computer.

5. Turn on your computer.

Troubleshooting 99

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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