Dell Alienware Aurora R4 Owners Manual

Contents11
30 Back Bezel. . . . . . . . . . . . . . . . . . . . . . .  133
Prerequisites. . . . . . . . . . . . . . . . . . . . . . .  133
Removing the Back Bezel
. . . . . . . . . . . . . . . .  133
Replacing the Back Bezel
. . . . . . . . . . . . . . . .  136
Postrequisites
 . . . . . . . . . . . . . . . . . . . . . .  136
31 WiFi/Bluetooth Assembly . . . . . . . . . . .  137
Prerequisites. . . . . . . . . . . . . . . . . . . . . . .  137
Removing the WiFi/Bluetooth Card
 . . . . . . . . . . .  137...

12Contents
Boot Sequence . . . . . . . . . . . . . . . . . .   152
Clearing Forgotten Passwords
. . . . . . . . . . . . .   154
Password:
. . . . . . . . . . . . . . . . . . . . .   155
 . . . . . . . . . . . . . . . . . . . . . . . . . .   155
Clearing CMOS Passwords
 . . . . . . . . . . . . . .   156
CMOS:
. . . . . . . . . . . . . . . . . . . . . . .   156
34 Flashing the BIOS . . . . . . . . . . . . . . . . .  159
35 Specifications
 . . . . . . . . . . . . . . . . . . . .  161
book.book  Page 12...

Before you Begin13
3
Before You Begin
Turn Off Your Computer and Connected Devices
 CAUTION: To avoid losing data, save and close all open files and exit all open 
programs before you turn off your computer.
1Save and close all open files and exit all open programs.
2Click Start   and click Shut Down.
Microsoft Windows shuts down and then the computer turns off.
 NOTE: If you are using a different operating system, see the documentation of 
your operating system for shut-down instructions.
3Disconnect...

14Before you Begin
CAUTION: Only a certified service technician is authorized to remove the 
computer cover and access any of the components inside the computer. See the 
safety instructions for complete information about safety precautions, working 
inside your computer, and protecting against electrostatic discharge.
CAUTION: Before touching anything inside your computer, ground yourself by 
touching an unpainted metal surface, such as the metal at the back of the 
computer. While you work,...

After Working Inside Your Computer15
4
After Working Inside Your Computer
After you complete replacement procedures, ensure the following:
• Replace all screws and ensure no stray screws remain inside your computer
• Connect any external devices, cables, cards, and any other part you 
removed before working on your computer
• Connect your computer and all attached devices to their electrical outlets
 CAUTION: Before turning on your computer, replace all screws and ensure that 
no stray screws remain in...

16Before you Begin
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Technical Overview17
1
Technical Overview
 WARNING: Before working inside your computer, read the safety information 
that shipped with your computer and follow the steps in Before You Begin on 
page 13. For additional safety best practices information, see the Regulatory 
Compliance Homepage at dell.com/regulatory_compliance.
Front View of Your Computer
7
18
11
910
2
3
4
5
6
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18Technical Overview
Back View of Your Computer
1AlienHead/drive-panel open button2optical drive
3optical-drive eject button4optical-drive bay
5media-card reader/optical-drive bay6drive panel (open)
7headphone connector8microphone connector
9USB 3.0 connector10power button
11USB 2.0 connectors (2)
1
2
3
4
5
6
7
891011
12
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Technical Overview19
Inside View of Your Computer
1coaxial S/PDIF connector2optical S/PDIF connector
3USB 2.0 connectors (4)4network connector and network 
lights
5USB 3.0 connector6audio connectors
7expansion-card slots8power connector
9power-supply diagnostics button10power-supply diagnostics light
11security-cable slot latch12security-cable slot
1memory module(s)2PCI-Express card(s)
3optical drive(s)4hard-drive(s)
1
2
3
4
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20Technical Overview
System-Board Components
15
9
14
15
181920212223
24
25
26
2712
623 478
10
13
16
11
17
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