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Dell W21C User Manual
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4
Lift and slide the stand fr
om the system-boar
d shield.
P
edestal st
and
1
CA
UTION: Place the computer on a
at,
soft, and clean surf
ace to
av
oid scrat
ches on the display
.
Place the computer on a clean and
a
t
surface.
2
Extend the st
and upwar
d.
16
15
17
Table of Contents
Default Chapter
3
Table of Contents
3
Before Working Inside Your Computer
10
Before You Begin
10
Safety Instructions
10
Recommended Tools
11
Screw List
12
After Working Inside Your Computer
14
Removing the Stand
15
Easel Stand
15
Pedestal Stand
16
Replacing the Stand
18
Easel Stand
18
Pedestal Stand
18
Removing the Back Cover
19
Prerequisite
19
Procedure
20
Replacing the Back Cover
21
Procedure
21
Post-Requisite
21
Removing the Hard Drive
22
Prerequisites
22
Procedure
22
Replacing the Hard Drive
24
Procedure
24
Post-Requisites
24
Removing the System-Board Shield
25
Prerequisites
25
Procedure
25
Replacing the System-Board Shield
27
Procedure
27
Post-Requisites
27
Removing the Memory Module
28
Prerequisites
28
Procedure
29
Replacing the Memory Module
30
Procedure
30
Post-Requisites
30
Removing the Wireless Card
31
Prerequisites
31
Procedure
31
Replacing the Wireless Card
34
Procedure
34
Post-Requisites
35
Removing the Antenna
36
Prerequisites
36
Procedure
36
Replacing the Antenna
38
Procedure
38
Post-Requisites
38
Removing the Solid-State Drive/Intel Optane
39
Prerequisites
39
Procedure
40
Replacing the Solid-State Drive/Intel Optane
41
Procedure
41
Post-Requisites
42
Removing the Media-Card Reader
43
Prerequisites
43
Procedure
43
Replacing the Media-Card Reader
45
Procedure
45
Post-Requisites
45
Removing the Power-Button Board
46
Prerequisites
46
Procedure
46
Replacing the Power-Button Board
48
Procedure
48
Post-Requisites
48
Removing the Microphone
49
Prerequisites
49
Procedure
49
Replacing the Microphone
51
Procedure
51
Post-Requisites
51
Removing the Camera
52
Prerequisites
52
Procedure
52
Replacing the Camera
55
Procedure
55
Post-Requisites
55
Removing the Coin-Cell Battery
56
Prerequisites
56
Procedure
57
Replacing the Coin-Cell Battery
58
Procedure
58
Post-Requisites
58
Removing the Fan
59
Prerequisites
59
Procedure
59
Replacing the Fan
61
Procedure
61
Post-Requisites
61
Removing the Heat Sink
62
Prerequisites
62
Procedure
62
Replacing the Heat Sink
64
Procedure
64
Post-Requisites
64
Removing the Speakers
65
Prerequisites
65
Procedure
65
Replacing the Speakers
67
Procedure
67
Post-Requisites
67
Removing the System Board
68
Prerequisites
68
Procedure
68
Replacing the System Board
71
Procedure
71
Post-Requisites
72
Flashing the BIOS
72
Removing the Display Panel
73
Prerequisites
73
Procedure
73
Replacing the Display Panel
77
Procedure
77
Post-Requisites
81
Removing the Rubber Feet
82
Prerequisites
82
Procedure
82
Replacing the Rubber Feet
84
Procedure
84
Post-Requisites
84
Removing the Middle Frame
85
Prerequisites
85
Procedure
86
Replacing the Middle Frame
89
Procedure
89
Post-Requisites
89
Downloading Drivers
91
Downloading the Audio Driver
91
Downloading the Graphics Driver
92
Downloading the USB Driver
92
Downloading the Chipset Driver
93
Downloading the Network Driver
94
System Setup
96
Boot Sequence
96
Navigation Keys
96
BIOS Overview
97
Entering BIOS Setup Program
97
System Setup Options
98
Flashing the BIOS
103
Troubleshooting
105
Flashing the BIOS
105
Reinstall Windows Using a USB Recovery Drive
105
Enhanced Pre-Boot System Assessment (Epsa) Diagnostics
106
Running the Epsa Diagnostics
107
Display Built-In Self Test
107
Diagnostics
107
Flea Power Release
109
Wi-Fi Power Cycle
109
Getting Help and Contacting Dell
110
Self-Help Resources
110
Contacting Dell
111
4
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Dell W21C Specifications
General
Brand
Dell
Model
W21C
Category
Desktop
Language
English
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