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Dell XPS 720 Black Owner's Manual - Page 173

Boot Sequence, Diskette Drive, Hard Drive, USB Flash Device

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Boot Sequence This feature allows you to change the boot sequence for the bootable devices installed on your computer. Option Settings • Diskette Drive - The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, if no floppy disk is in the drive, or if there is no floppy drive installed in the computer, the computer attempts to boot from the next bootable device in the boot sequence. • Hard Drive - The computer attempts to boot from the primary hard drive. If no operating system is on the drive, the computer attempts to boot from the next bootable device in the boot sequence. • CD Drive - The computer attempts to boot from the CD drive. If no CD is in the drive, or if the CD has no operating system, the computer attempts to boot from the next bootable device in the boot sequence. • USB Flash Device - Insert the memory device into a USB port and restart the computer. When F12 = Boot Menu appears in the upper-right corner of the screen, press . The BIOS detects the device and adds the USB flash option to the boot menu. NOTE: To boot to a USB device, the device must be bootable. To make sure that your device is bootable, check the device documentation. NOTE: An error message is generated only after the computer attempts to boot from every device in the boot sequence and no operating system is found. Changing Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Drivers and Utilities media, but you want the computer to boot from the hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key, or CD-RW drive. NOTE: If you are booting to a USB floppy drive, you must first set the floppy drive to OFF in system setup (see "System Setup" on page 166). 1 If you are booting to a USB device, connect the USB device to a USB connector (see "Back View" on page 16). 2 Turn on (or restart) your computer. 3 When the DELL logo appears, press immediately. NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release in even intervals until the Boot Device Menu appears. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop, then shut down your computer and try again. Appendix 173

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

Appendix

173

Boot Sequence

This feature allows you to change the boot sequence for the bootable devices installed on your computer.

Option Settings

•

Diskette Drive —

The computer attempts to boot from the floppy drive. If the floppy disk in the drive is

not bootable, if no floppy disk is in the drive, or if there is no floppy drive installed in the computer, the

computer attempts to boot from the next bootable device in the boot sequence.

•

Hard Drive

— The computer attempts to boot from the primary hard drive. If no operating system is

on the drive, the computer attempts to boot from the next bootable device in the boot sequence.

•

CD Drive

— The computer attempts to boot from the CD drive. If no CD is in the drive, or if the CD

has no operating system, the computer attempts to boot from the next bootable device in the boot

sequence.

•

USB Flash Device —

Insert the memory device into a USB port and restart the computer. When

F12

= Boot Menu

appears in the upper-right corner of the screen, press <F12>. The BIOS detects the

device and adds the USB flash option to the boot menu.

NOTE:

To boot to a USB device, the device must be bootable. To make sure that your device is bootable, check the

device documentation.

NOTE:

An error message is generated only after the computer attempts to boot from every device in the boot

sequence and no operating system is found.

Changing Boot Sequence for the Current Boot

You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run

the Dell Diagnostics on the

Drivers and Utilities

media, but you want the computer to boot from the

hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer

to a USB device such as a floppy drive, memory key, or CD-RW drive.

NOTE:

If you are booting to a USB floppy drive, you must first set the floppy drive to

OFF

in system setup (see

"System Setup" on page 166).

If you are booting to a USB device, connect the USB device to a USB connector (see "Back View" on

page 16).

Turn on (or restart) your computer.

When the DELL logo appears, press <F12> immediately.

NOTE:

Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To

avoid possible keyboard failure, press and release <F12> in even intervals until the

Boot Device Menu

appears.

If you wait too long and the operating system logo appears, continue to wait until you see the

Microsoft Windows desktop, then shut down your computer and try again.