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Dell XPS 720 Black Owner's Manual - Page 54

Start, My Computer, Local Disk C, Properties, Tools, Check Now

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If the drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive. TEST THE DRIVE - • Insert another disc to eliminate the possibility that the original drive is defective. • Insert a bootable floppy disk and restart the computer. C L E A N T H E D R I V E O R D I S K - See "Cleaning Your Computer" on page 176. CHECK THE CABLE CONNECTIONS R U N T H E H A R D W A R E TR O U B L E S H O O T E R - See "Troubleshooting Software and Hardware Problems" on page 83. R U N T H E D E L L D I A G N O S T I C S - See "Dell Diagnostics" on page 72. Optical drive problems NOTE: High-speed optical drive vibration is normal and may cause noise, which does not indicate a defect in the drive or the media. NOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives. ADJUST THE WINDOWS VOLUME CONTROL - • Click the speaker icon in the lower-right corner of your screen. • Ensure that the volume is turned up by clicking the slidebar and dragging it up. • Ensure that the sound is not muted by clicking any boxes that are checked. C H E C K T H E S P E A K E R S A N D S U B W O O F E R - See "Sound and Speaker Problems" on page 63. Problems writing to an optical drive C L O S E O T H E R P R O G R A M S - The optical drive must receive a steady stream of data during the writing process. If the stream is interrupted, an error occurs. Try closing all programs before you write to the optical. TU R N O F F S T A N D B Y M O D E I N W I N D O W S B E F O R E W R I T I N G T O A D I S C - See "Configuring Power Management Settings" on page 47 or search for the keyword standby in Windows Help and Support for information on power management modes. Hard drive problems RUN CHECK DISK - Windows XP: 1 Click Start and click My Computer. 2 Right-click Local Disk C:. 3 Click Properties→ Tools→ Check Now. 4 Click Scan for and attempt recovery of bad sectors and click Start. Windows Vista: 1 Click Start and click Computer. 2 Right-click Local Disk C:. 54 Troubleshooting

Section	Page
Contents	3
Finding Information	9
Setting Up and Using Your Computer	13
Front and Back View of the Computer	13
Front View	13
Front I/O Connectors	15
Back View	16
Back I/O Connectors	17
Attaching the Computer Stand	18
Installing Your Computer in an Enclosure	20
Connecting Monitors	22
Connecting a Monitor (Without an Adapter)	23
Connecting a Monitor (With an Adapter)	24
Connecting a Monitor in a Dual Graphics Card Configuration	25
Connecting Two or More Monitors	27
Connecting a TV	27
Changing the Display Settings to Support Two or More Monitors	28
About Your RAID Configuration	29
RAID Level 0 Configuration	29
RAID Level 1 Configuration	30
RAID Level 0+1 Configuration	30
RAID Level 5 Configuration	32
Configuring Your Hard Drives for RAID	32
Setting Your Computer to RAID-Enabled Mode	33
Using the NVIDIA MediaShield ROM Utility	33
Using NVIDIA MediaShield	34
Using Multimedia	37
Copying CD, DVD, and Blu-ray Disc™ (BD) Media	38
Helpful Tips	40
Using a Media Card Reader (Optional)	41
Network Setup Wizard	42
Transferring Information to a New Computer	43
Power Management Options in Windows XP	44
Standby Mode	44
Hibernate Mode	45
Power Options Properties	45
Power Management Options in Windows Vista	47
Sleep Mode	47
Hibernate Mode	47
Configuring Power Management Settings	47
Optimizing for Greater Performance	49
Understanding Dual-Graphics Technology	49
Understanding CPU Overclocking	49
Dell™ QuickSet	51
Troubleshooting	53
Solving Problems	53
Battery Problems	53
Drive Problems	53
E-Mail, Modem, and Internet Problems	55
Error Messages	56
IEEE 1394 Device Problems	57
Keyboard Problems	57
Lockups and Software Problems	58
Memory Problems	59
Mouse Problems	60
Network Problems	60
Power Problems	61
Printer Problems	61
Scanner Problems	62
Sound and Speaker Problems	63
Video and Monitor Problems	63
Power Lights	65
Diagnostic Lights	66
Beep Codes	69
System Messages	70
Dell Diagnostics	72
When to Use Dell Diagnostics	72
Starting Dell Diagnostics From Your Hard Drive	72
Starting Dell Diagnostics From the Drivers and Utilities Media	73
Dell Diagnostics Main Menu	74
Drivers	75
What Is a Driver?	75
Identifying Drivers	75
Reinstalling Drivers and Utilities	76
Using Windows Device Driver Rollback	76
Using the Drivers and Utilities Media	76
Restoring Your Operating System	78
Using Microsoft Windows System Restore	78
Using Dell PC Restore and Dell Factory Image Restore	79
Using the Operating System Media	82
Troubleshooting Software and Hardware Problems	83
Removing and Installing Parts	85
Before You Begin	85
Recommended Tools	85
Preparing to Work Inside Your Computer	85
Removing the Computer Cover	86
Inside View of Your Computer	88
System Board Components	89
Memory	90
DDR2 Memory Overview	90
Addressing Memory Configurations	91
Installing Memory	92
Removing Memory	93
Cards	94
Removing PCI and PCI Express Cards	95
Installing PCI and PCI Express Cards	97
Removing a PCI Express Graphics Card from a Dual Configuration	100
Installing a PCI Express Graphics Card in a Dual Configuration	102
Network Adapter and Sound Card Settings	105
Drives	106
About Serial ATA Drives	107
General Drive Installation Guidelines	107
Hard Drive	108
Removing a Hard Drive	108
Installing a Hard Drive	110
Drive Panel	113
Removing the Drive Panel	113
Replacing the Drive Panel	114
Floppy Drive	115
Removing a Floppy Drive	115
Installing a Floppy Drive	117
Media Card Reader	119
Removing a Media Card Reader	119
Installing a Media Card Reader	121
Optical Drive	123
Removing an Optical Drive	123
Installing an Optical Drive	125
Processor Airflow Shroud	128
Removing the Processor Airflow Shroud Assembly	128
Installing the Processor Airflow Shroud Assembly	129
Processor	129
Removing the Processor	129
Installing the Processor	130
Fans	132
Removing the Card Fan	132
Installing the Card Fan	134
Removing the CPU Fan	135
Installing the CPU Fan	136
Removing the Optional Hard Drive Fan	137
Installing the Optional Hard Drive Fan	138
System Board	139
Removing the System Board	139
Installing the System Board	140
Power Supply	141
Power Supply (PSU) DC Connector Pin Assignments	142
Removing the Power Supply	151
Installing the Power Supply	154
Front I/O Panel	155
Front I/O-Panel Components	155
Removing the Front I/O Panel	156
Installing the I/O Panel	157
Battery	157
Replacing the Battery	157
Removing the Computer Stand	158
Replacing the Computer Cover	159
Appendix	161
Specifications	161
System Setup	166
Overview	166
Entering System Setup	166
System Setup Options	167
Boot Sequence	173
Clearing Forgotten Passwords	174
Clearing CMOS Settings	175
Cleaning Your Computer	176
Computer, Keyboard, and Monitor	176
Mouse	176
Floppy Drive	177
CDs and DVDs	177
FCC Notices (U.S. Only)	177
Class A	178
Class B	178
FCC Identification Information	178
Contacting Dell	179
Glossary	203

Match case Limit results 1 per page

Troubleshooting

If the drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can

sometimes prevent Windows from recognizing the drive.

EST

THE

DRIVE

—

•

Insert another disc to eliminate the possibility that the original drive is defective.

•

Insert a bootable floppy disk and restart the computer.

LEAN

THE

DRIVE

DISK

—

See "Cleaning Your Computer" on page 176.

HECK

THE

CABLE

CONNECTIONS

THE

ARDWARE

ROUBLESHOOTER

—

See "Troubleshooting Software and Hardware Problems" on page 83.

THE

ELL

IAGNOSTICS

—

See "Dell Diagnostics" on page 72.

Optical drive problems

NOTE:

High-speed optical drive vibration is normal and may cause noise, which does not indicate a defect in the

drive or the media.

NOTE:

Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.

DJUST

THE

INDOWS

VOLUME

CONTROL

—

•

Click the speaker icon in the lower-right corner of your screen.

•

Ensure that the volume is turned up by clicking the slidebar and dragging it up.

•

Ensure that the sound is not muted by clicking any boxes that are checked.

HECK

THE

SPEAKERS

AND

SUBWOOFER

—

See "Sound and Speaker Problems" on page 63.

Problems writing to an optical drive

LOSE

OTHER

PROGRAMS

—

The optical drive must receive a steady stream of data during the writing process.

If the stream is interrupted, an error occurs. Try closing all programs before you write to the optical.

URN

OFF

STANDBY

MODE

INDOWS

BEFORE

WRITING

DISC

—

See "Configuring Power Management

Settings" on page 47 or search for the keyword

standby

in Windows Help and Support for information on power

management modes.

Hard drive problems

HECK

ISK

—

Windows XP

Click

Start

and click

My Computer

Right-click

Local Disk C:

Click

Properties

→

Tools

→

Check Now

Click

Scan for and attempt recovery of bad sectors

and click

Start

Windows Vista

Click

Start

and click

Computer

Right-click

Local Disk C: