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7 Disconnect the power-adapter port cable from the system board.

1 system board 2 power-adapter port cable

3 latch 4 touch-pad cable

5 keyboard cable

8 Remove the screw that secures the system board to the palmrest and keyboard

assembly.

Main Page

Default Chapter1
- Service Manual1
- Table of Contents3
Before Working Inside Your Computer11
- Before You Begin11
- Safety Instructions11
- Inspiron11
- Recommended Tools12
After Working Inside Your Computer14
Removing the Base Cover15
- Procedure15
Replacing the Base Cover18
- Procedure18
Removing the Battery19
- Prerequisites19
- Procedure19
Replacing the Battery21
- Procedure21
- Post-Requisites21
Removing the Power and Volume-Buttons Board22
- Prerequisites22
- Procedure22
Replacing the Power and Volume-Buttons Board24
- Procedure24
- Post-Requisites24
Removing the Power-Adapter Port25
- Prerequisites25
- Procedure25
Replacing the Power-Adapter Port27
- Post-Requisites27
- Procedure27
Removing the Hard Drive28
- Prerequisites28
- Procedure28
Replacing the Hard Drive31
- Procedure31
- Post-Requisites31
Removing the Processor Fan and Heat-Sink Assembly32
- Prerequisites32
- Procedure32
Replacing the Processor Fan and Heat-Sink Assembly34
- Procedure34
- Post-Requisites34
Removing the I/O Board35
- Prerequisites35
- Procedure35
Replacing the I/O Board38
- Procedure38
- Post-Requisites38
Removing the Wireless Card39
- Prerequisites39
- Procedure40
Replacing the Wireless Card42
- Post-Requisites42
- Procedure42
Removing the Coin-Cell Battery44
- Prerequisites44
- Procedure44
Replacing the Coin-Cell Battery48
- Procedure48
- Post-Requisites48
Removing the Speakers49
- Prerequisites49
- Procedure49
Replacing the Speakers51
- Procedure51
- Post-Requisites51
Removing the Touch Pad52
- Prerequisites52
- Procedure52
Replacing the Touch Pad55
- Procedure55
- Post-Requisites55
Removing the Display Assembly56
- Prerequisites56
- Procedure56
Replacing the Display Assembly61
- Post-Requisites61
- Procedure61
Removing the System Board63
- Prerequisites63
- Procedure63
Replacing the System Board68
- Procedure68
- Post-Requisites68
- Entering the Service Tag in the BIOS Setup Program69
Removing the Palm Rest and Keyboard Assembly70
- Prerequisites70
- Procedure70
Replacing the Palm Rest and Keyboard Assembly72
- Procedure72
- Post-Requisites72
Removing the Display Panel73
- Prerequisites73
- Procedure73
Replacing the Display Panel75
- Procedure75
- Post-Requisites75
Removing the Display Hinges76
- Prerequisites76
- Procedure77
Replacing the Display Hinges79
- Procedure79
- Post-Requisites79
Removing the Camera80
- Prerequisites80
- Procedure81
Replacing the Camera84
- Procedure84
- Post-Requisites84
Removing the Sensor Board85
- Prerequisites85
- Procedure85
Replacing the Sensor Board87
- Procedure87
- Post-Requisites87
Flashing the BIOS88
Technology and Components89
- Audio89
  - Downloading the Audio Driver89
  - Identifying the Audio Controller89
  - Changing the Audio Settings90
- Camera90
  - Identifying the Webcam in Device Manager90
  - Starting the Camera Application90
  - Getting the Dell Webcam Central91
- Display92
  - Adjusting the Brightness92
  - Changing the Screen Resolution92
  - Rotating the Display93
  - Cleaning the Display93
- Hdmi94
  - Connecting to External Display Devices94
- Graphics96
  - Downloading the Graphics Driver96
  - Identifying the Display Adapter96
  - Changing the Display Settings in Intel HD Graphics Control Panel97
- Intel Widi97
  - Downloading the Widi Application98
  - Setting up the Wireless Display98
- Usb99
  - Downloading the USB 3.0 Driver99
  - Enabling or Disabling the USB in System Setup99
  - Enabling/Disabling Usb in System Setup99
  - Fixing a No-Boot Issue Caused by USB Emulation100
  - Wifi Settings100
- Wifi100
  - Turning Wifi on or off100
  - Downloading the Wifi Driver100
  - Configuring the Wi-Fi101
- Bluetooth101
  - Turning Bluetooth on or off102
  - Pairing the Bluetooth-Enabled Devices102
  - Removing the Bluetooth Device103
  - Transferring Files between Devices Using Bluetooth103
- Hard Drive104
  - Identifying the Hard Drive in BIOS Setup Program104
  - Identifying the Hard Drive104
- Media-Card Reader105
  - Downloading the Media-Card Reader Driver105
  - Browsing a Media Card105
- Keyboard105
  - Changing the Keyboard Language106
  - Keyboard Shortcuts106
- Touch Pad107
  - Identifying the Touch Pad107
  - Touch Pad Gestures108
- Power Adapter108
- Battery109
- Chipsets109
  - Downloading the Chipset Driver109
  - Identifying the Chipset109
- Memory110
  - Checking the System Memory in Windows110
  - Checking the System Memory in System Setup111
  - Testing Memory Using Epsa111
- Processors111
  - Identifying the Processors in Windows111
  - Checking the Processor Usage in the Task Manager112
- Operating System112
- Service Tag Location113
- Device Driver113
  - Intel Dynamic Platform and Thermal Framework113
  - Intel HD Graphics 515 Driver113
  - Intel Chipset Software Installation Utility113
  - Intel Serial IO Driver114
  - Intel Trusted Execution Engine Interface116
  - Intel Virtual Button Driver117
  - Intel Wireless 3165 Wifi and Bluetooth Drivers118
- BIOS Overview119
- Entering the BIOS Setup Program119
- Boot Menu119
- Boot Menu Enhancements119
- Timing Key Sequences119
- Contacting Dell122

Dell P25T - Page 71

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