Dell Inspiron 7786

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9 Remove the two screws (M2x2) that secure the system board to the palm-rest assembly.

10 Slide and lift the system board o the palm-rest assembly.

Removing the system board

Main Page

Default Chapter3
- Table of Contents3
1 Before Working Inside Your Computer8
- Before You Begin8
2 After Working Inside Your Computer9
3 Safety Instructions10
- Electrostatic Discharge-ESD Protection10
- ESD Field Service Kit11
  - Components of an ESD Field Service Kit11
  - ESD Protection Summary11
- Transporting Sensitive Components12
  - Lifting Equipment12
4 Recommended Tools13
5 Screw List14
6 Removing the Base Cover15
- Procedure15
7 Replacing the Base Cover17
- Procedure17
8 Removing the Battery19
- Prerequisites19
- Procedure19
9 Replacing the Battery21
- Procedure21
- Post-Requisites22
10 Removing the Memory Modules23
- Prerequisites23
- Procedure23
11 Replacing the Memory Modules24
- Procedure24
- Post-Requisites24
12 Removing the Coin-Cell Battery25
- Prerequisites25
- Procedure25
13 Replacing the Coin-Cell Battery26
- Procedure26
- Post-Requisites26
14 Removing the Fan27
- Prerequisites27
- Procedure27
15 Replacing the Fan28
- Procedure28
- Post-Requisites28
16 Removing the Heat Sink29
- Prerequisites29
- Procedure29
17 Replacing the Heat Sink30
- Procedure30
- Post-Requisites30
18 Removing the Hard Drive31
- Prerequisites31
- Procedure31
19 Replacing the Hard Drive33
- Procedure33
- Post-Requisites34
20 Removing the Solid-State Drive/Intel Optane Memory Module35
- Prerequisites35
- Procedure35
21 Replacing the Solid-State Drive/Intel Optane Memory Module37
- Procedure37
- Post-Requisites38
- Procedure to Move the Screw Mount38
22 Removing the Speakers40
- Prerequisites40
- Procedure40
23 Replacing the Speakers41
- Procedure41
- Post-Requisites41
24 Removing the Wireless Card42
- Prerequisites42
- Procedure42
25 Replacing the Wireless Card44
- Procedure44
- Post-Requisites44
26 Removing the Display Assembly45
- Prerequisites45
- Procedure45
27 Replacing the Display Assembly46
- Procedure46
- Post-Requisites46
28 Removing the Power-Adapter Port47
- Prerequisites47
- Procedure47
29 Replacing the Power-Adapter Port48
- Procedure48
- Post-Requisites48
30 Removing the I/O Board49
- Prerequisites49
- Procedure49
31 Replacing the I/O Board50
- Procedure50
- Post-Requisites50
32 Removing the Power Button with Fingerprint Reader51
- Prerequisites51
- Procedure51
33 Replacing the Power Button with Fingerprint Reader52
- Procedure52
- Post-Requisites52
34 Removing the System Board53
- Prerequisites53
- Procedure53
35 Replacing the System Board55
- Procedure55
- Post-Requisites56
- Entering the Service Tag in the BIOS Setup Program56
36 Removing the Touchpad57
- Prerequisites57
- Procedure57
37 Replacing the Touchpad58
- Procedure58
- Post-Requisites58
38 Removing the Keyboard59
- Prerequisites59
- Procedure59
39 Replacing the Keyboard61
- Procedure61
- Post-Requisites62
40 Removing the Palm Rest63
- Prerequisites63
- Procedure63
41 Replacing the Palm Rest65
- Procedure65
- Post-Requisites65
42 Removing the Display Panel66
- Prerequisites66
- Procedure66
43 Replacing the Display Panel68
- Procedure68
- Post-Requisites68
44 Removing the Camera69
- Prerequisites69
- Procedure69
45 Replacing the Camera70
- Procedure70
- Post-Requisites70
46 Removing the Display Hinges71
- Prerequisites71
- Procedure71
47 Replacing the Display Hinges72
- Procedure72
- Post-Requisites72
48 Removing the Display Cable73
- Prerequisites73
- Procedure73
49 Replacing the Display Cable74
- Procedure74
- Post-Requisites74
50 Removing the Display Back-Cover and Antenna Assembly75
- Prerequisites75
- Procedure75
51 Replacing the Display Back-Cover and Antenna Assembly76
- Procedure76
- Post-Requisites76
52 Device Drivers77
- Intel Chipset Software Installation Utility77
- Video Drivers77
- Intel Serial IO Driver77
- Intel Trusted Execution Engine Interface77
- Intel Virtual Button Driver77
- Wireless and Bluetooth Drivers77
53 System Setup78
- Boot Sequence78
- Navigation Keys78
- BIOS Overview78
- Entering BIOS Setup Program79
- System Setup Options79
- Clearing CMOS Settings84
- Clearing BIOS (System Setup) and System Passwords84
54 Troubleshooting85
- Flashing the BIOS85
- Flashing BIOS (USB Key)85
- Enhanced Pre-Boot System Assessment (Epsa) Diagnostics85
  - Running the Epsa Diagnostics86
- System Diagnostic Lights86
- Enabling Intel Optane Memory87
- Disabling Intel Optane Memory87
- Wifi Power Cycle88
- Flea Power Release88

Dell Inspiron 7786 - Page 54

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