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P25T
Dell P25T User Manual
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3
Turn the keyboard cable over and place it on the system board.
1
pieces of tapes
2
touch-pad cable
3
latch
4
touch pad
5
keyboard cable
4
Remove the screws that secure the touch pad to the palmrest and
keyboard assembly.
53
52
54
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
3
Before Working Inside Your Computer
11
Before You Begin
11
Safety Instructions
11
Inspiron
11
Recommended Tools
12
After Working Inside Your Computer
14
Removing the Base Cover
15
Procedure
15
Replacing the Base Cover
18
Procedure
18
Removing the Battery
19
Prerequisites
19
Procedure
19
Replacing the Battery
21
Procedure
21
Post-Requisites
21
Removing the Power and Volume-Buttons Board
22
Prerequisites
22
Procedure
22
Replacing the Power and Volume-Buttons Board
24
Procedure
24
Post-Requisites
24
Removing the Power-Adapter Port
25
Prerequisites
25
Procedure
25
Replacing the Power-Adapter Port
27
Post-Requisites
27
Procedure
27
Removing the Hard Drive
28
Prerequisites
28
Procedure
28
Replacing the Hard Drive
31
Procedure
31
Post-Requisites
31
Removing the Processor Fan and Heat-Sink Assembly
32
Prerequisites
32
Procedure
32
Replacing the Processor Fan and Heat-Sink Assembly
34
Procedure
34
Post-Requisites
34
Removing the I/O Board
35
Prerequisites
35
Procedure
35
Replacing the I/O Board
38
Procedure
38
Post-Requisites
38
Removing the Wireless Card
39
Prerequisites
39
Procedure
40
Replacing the Wireless Card
42
Post-Requisites
42
Procedure
42
Removing the Coin-Cell Battery
44
Prerequisites
44
Procedure
44
Replacing the Coin-Cell Battery
48
Procedure
48
Post-Requisites
48
Removing the Speakers
49
Prerequisites
49
Procedure
49
Replacing the Speakers
51
Procedure
51
Post-Requisites
51
Removing the Touch Pad
52
Prerequisites
52
Procedure
52
Replacing the Touch Pad
55
Procedure
55
Post-Requisites
55
Removing the Display Assembly
56
Prerequisites
56
Procedure
56
Replacing the Display Assembly
61
Post-Requisites
61
Procedure
61
Removing the System Board
63
Prerequisites
63
Procedure
63
Replacing the System Board
68
Procedure
68
Post-Requisites
68
Entering the Service Tag in the BIOS Setup Program
69
Removing the Palm Rest and Keyboard Assembly
70
Prerequisites
70
Procedure
70
Replacing the Palm Rest and Keyboard Assembly
72
Procedure
72
Post-Requisites
72
Removing the Display Panel
73
Prerequisites
73
Procedure
73
Replacing the Display Panel
75
Procedure
75
Post-Requisites
75
Removing the Display Hinges
76
Prerequisites
76
Procedure
77
Replacing the Display Hinges
79
Procedure
79
Post-Requisites
79
Removing the Camera
80
Prerequisites
80
Procedure
81
Replacing the Camera
84
Procedure
84
Post-Requisites
84
Removing the Sensor Board
85
Prerequisites
85
Procedure
85
Replacing the Sensor Board
87
Procedure
87
Post-Requisites
87
Flashing the BIOS
88
Technology and Components
89
Audio
89
Downloading the Audio Driver
89
Identifying the Audio Controller
89
Changing the Audio Settings
90
Camera
90
Identifying the Webcam in Device Manager
90
Starting the Camera Application
90
Getting the Dell Webcam Central
91
Display
92
Adjusting the Brightness
92
Changing the Screen Resolution
92
Rotating the Display
93
Cleaning the Display
93
Hdmi
94
Connecting to External Display Devices
94
Graphics
96
Downloading the Graphics Driver
96
Identifying the Display Adapter
96
Changing the Display Settings in Intel HD Graphics Control Panel
97
Intel Widi
97
Downloading the Widi Application
98
Setting up the Wireless Display
98
Usb
99
Downloading the USB 3.0 Driver
99
Enabling or Disabling the USB in System Setup
99
Enabling/Disabling Usb in System Setup
99
Fixing a No-Boot Issue Caused by USB Emulation
100
Wifi Settings
100
Wifi
100
Turning Wifi on or off
100
Downloading the Wifi Driver
100
Configuring the Wi-Fi
101
Bluetooth
101
Turning Bluetooth on or off
102
Pairing the Bluetooth-Enabled Devices
102
Removing the Bluetooth Device
103
Transferring Files between Devices Using Bluetooth
103
Hard Drive
104
Identifying the Hard Drive in BIOS Setup Program
104
Identifying the Hard Drive
104
Media-Card Reader
105
Downloading the Media-Card Reader Driver
105
Browsing a Media Card
105
Keyboard
105
Changing the Keyboard Language
106
Keyboard Shortcuts
106
Touch Pad
107
Identifying the Touch Pad
107
Touch Pad Gestures
108
Power Adapter
108
Battery
109
Chipsets
109
Downloading the Chipset Driver
109
Identifying the Chipset
109
Memory
110
Checking the System Memory in Windows
110
Checking the System Memory in System Setup
111
Testing Memory Using Epsa
111
Processors
111
Identifying the Processors in Windows
111
Checking the Processor Usage in the Task Manager
112
Operating System
112
Service Tag Location
113
Device Driver
113
Intel Dynamic Platform and Thermal Framework
113
Intel HD Graphics 515 Driver
113
Intel Chipset Software Installation Utility
113
Intel Serial IO Driver
114
Intel Trusted Execution Engine Interface
116
Intel Virtual Button Driver
117
Intel Wireless 3165 Wifi and Bluetooth Drivers
118
BIOS Overview
119
Entering the BIOS Setup Program
119
Boot Menu
119
Boot Menu Enhancements
119
Timing Key Sequences
119
Contacting Dell
122
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Setup And Specifications
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Dell P25T Specifications
General
Model
Dell P25T
Category
Laptop
RAM
8GB DDR4
Storage
256GB SSD
Battery
3-cell 42Whr
Display
1920 x 1080
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