Dell P91G - Page 20

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5 Turn the computer over, open the display, then press and hold the power button for v

e seconds to ground the system board.

20 Removing the battery

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default chapter3
- Table of Contents3
Chapter 1: Before Working Inside Your Computer8
- Before You Begin8
Chapter 2: After Working Inside Your Computer9
Chapter 3: Safety Instructions10
- Electrostatic Discharge-ESD Protection10
- ESD Field Service Kit11
- Transporting Sensitive Components12
Chapter 4: Recommended Tools13
Chapter 5: Screw List14
Chapter 6: Removing the Base Cover15
- Procedure15
Chapter 7: Replacing the Base Cover17
- Procedure17
Chapter 8: Removing the Battery19
- Prerequisites19
- Procedure19
Chapter 9: Replacing the Battery21
- Procedure21
- Post-Requisites22
Chapter 10: Removing the Solid-State Drive/Intel Optane23
- Prerequisites23
- Procedure23
Chapter 11: Replacing the Solid-State Drive/Intel Optane25
- Procedure to Replace M.2 2280 Card25
- Post-Requisites26
- Procedure to Move the Screw Mount26
Chapter 12: Removing the Coin-Cell Battery28
- Prerequisites28
- Procedure28
Chapter 13: Replacing the Coin-Cell Battery29
- Procedure29
- Post-Requisites29
Chapter 14: Removing the Wireless Card30
- Prerequisites30
- Procedure30
Chapter 15: Replacing the Wireless Card32
- Procedure32
- Post-Requisites32
Chapter 16: Removing the Speakers33
- Prerequisites33
- Procedure33
Chapter 17: Replacing the Speakers34
- Procedure34
- Post-Requisites34
Chapter 18: Removing the Fan35
- Prerequisites35
- Procedure35
Chapter 19: Replacing the Fan36
- Procedure36
- Post-Requisites36
Chapter 20: Removing the Heat Sink37
- Prerequisites37
- Procedure37
Chapter 21: Replacing the Heat Sink38
- Procedure38
- Post-Requisites38
Chapter 22: Removing the Display Assembly39
- Prerequisites39
- Procedure39
Chapter 23: Replacing the Display Assembly41
- Procedure41
- Post-Requisites42
Chapter 24: Removing the Power-Adapter Port43
- Prerequisites43
- Procedure43
Chapter 25: Replacing the Power-Adapter Port44
- Procedure44
- Post-Requisites44
Chapter 26: Removing the I/O Board45
- Prerequisites45
- Procedure45
Chapter 27: Replacing the I/O Board46
- Procedure46
- Post-Requisites46
Chapter 28: Removing the Power Button with Fingerprint Reader47
- Prerequisites47
- Procedure47
Chapter 29: Replacing the Power Button with Fingerprint Reader48
- Procedure48
- Post-Requisites48
Chapter 30: Removing the System Board49
- Prerequisites49
- Procedure49
Chapter 31: Replacing the System Board51
- Procedure51
- Post-Requisites52
- Entering the Service Tag in the BIOS Setup Program52
Chapter 32: Removing the Touchpad53
- Prerequisites53
- Procedure53
Chapter 33: Replacing the Touchpad55
- Procedure55
- Post-Requisites56
Chapter 34: Removing the Keyboard57
- Prerequisites57
- Procedure57
Chapter 35: Replacing the Keyboard59
- Procedure59
- Post-Requisites60
Chapter 36: Removing the Palm Rest61
- Prerequisites61
- Procedure61
Chapter 37: Replacing the Palm Rest62
- Procedure62
- Post-Requisites62
Chapter 38: Removing the Display Panel63
- Prerequisites63
- Procedure63
Chapter 39: Replacing the Display Panel67
- Procedure67
- Post-Requisites71
Chapter 40: Removing the Camera72
- Prerequisites72
- Procedure72
Chapter 41: Replacing the Camera74
- Procedure74
- Post-Requisites75
Chapter 42: Removing the Display Hinges76
- Prerequisites76
- Procedure76
Chapter 43: Replacing the Display Hinges77
- Procedure77
- Post-Requisites77
Chapter 44: Removing the Display Cable78
- Prerequisites78
- Procedure78
Chapter 45: Replacing the Display Cable79
- Procedure79
- Post-Requisites79
Chapter 46: Removing the Display80
- Prerequisites80
- Procedure80
Chapter 47: Replacing the Display81
- Procedure81
- Post-Requisites81
Chapter 48: Device Drivers82
- Intel Chipset Software Installation Utility82
- Video Drivers82
- Intel Serial IO Driver82
- Intel Trusted Execution Engine Interface82
- Intel Virtual Button Driver82
- Wireless and Bluetooth Drivers82
Chapter 49: System Setup83
- System Setup83
- Entering BIOS Setup Program83
- Navigation Keys83
- Boot Sequence83
- System Setup Options84
- Clearing CMOS Settings88
- Clearing BIOS (System Setup) and System Passwords89
Chapter 50: Troubleshooting90
- Updating the BIOS in Windows90
- Updating the BIOS Using the USB Drive in Windows90
- Dell Supportassist Pre-Boot System Performance Check Diagnostics90
- Running the Supportassist Pre-Boot System Performance Check91
- System Diagnostic Lights91
- Enabling Intel Optane Memory92
- Disabling Intel Optane Memory92
- Wifi Power Cycle93
- Flea Power Release93

Dell P91G - Page 20

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