Dell OptiPlex GX520 Manuel d'utilisateur Page 9
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Boot Sequence
This feature allows you to change the boot sequence for devices.
Option Settings
l Onboard or USB Floppy Drive — The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, or if no floppy disk
is in the drive, the computer generates an error message.
l Onboard SATA Hard Drive — The computer attempts to boot from the primary serial ATA hard drive. If no operating system is on the drive, the
computer generates an error message.
l Onboard IDE Hard Drive — The computer attempts to boot from the primary IDE hard drive, if applicable. If no operating system is on the drive, the
computer generates an error message.
l Onboard or USB CD-ROM 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 generates an error message.
NOTE: The option only appears for a hard drive installed in the module bay that supports hard-drive passwords. If no hard drive is installed
in the module bay, or if one is installed that does not support a hard-drive password, this option will not display.
Password
Changes
This option locks the system password field with the administrator password. When the field is locked, the option to disable password
security by pressing <Ctrl><Enter> when the computer starts is no longer available.
Intrusion
Alert
When installed and enabled, this option alerts the user, during the next system start-up, that the computer cover has been opened. The
settings are On, On-Silent (default setting), and Off.
Intrusion
Status
This option appears in system setup only if a chassis intrusion event occurred. The settings are Clear and Detected (default setting). Select
Clear to clear the chassis intrusion status.
TPM Security
Controls the TPM security device.
Off — TPM security device is Off.
On — TPM security device is On.
The factory default setting is Off.
Power Management
AC Recovery
Determines what happens when AC power is restored to the computer.
Auto Power On
Sets time and days of week to automatically turn on the computer. Choices are Everyday or Weekdays. The factory default setting is Off.
This feature does not work if you turn off your computer using a power strip or surge protector.
Auto Power
Time
Sets the specific time to automatically turn on the computer. Time is kept in a 24-hour format (hours:minutes). Change the start-up time by
pressing the right- or left-arrow key to increase or decrease the numbers, or type numbers in both the date and time fields.
Use this setting in conjunction with the Auto Power On setting.
Low Power
Mode
When Low Power Mode is selected, remote wakeup events no longer turn on from Hibernate or Off unless an additional NIC card is
installed.
NOTE: This setting affects only the integrated network controller.
Remote Wake-
Up
This option allows the system to turn on when a Network Interface Controller or Remote Wakeup-capable modem receives a wake up
signal.
On is the default setting. On w/Boot to NIC will allow the computer to attempt to boot from a network prior to using the boot sequence.
NOTE: Normally, the system can be powered up remotely from suspend mode, hibernate mode, or when powered off. When Low Power
Mode (in the Power Management menu) is enabled, the system can only be turned on remotely from Suspend.
Suspend Mode
The options are S1, a suspend mode where the computer is running in a low-power mode, and S3, a standby mode where the power is
reduced or turned off for most components; however, system memory remains active.
Maintenance
Load Defaults
This setting will restore the computer's factory-installed default settings. The options are Cancel and Continue/Reset CMOS.
Event Log
Displays the system event log.
BIOS Update
Select the location of the BIOS update file. The options are Floppy Disk or Hard Drive.
POST Behavior
Fast Boot
When set to On (default setting), your computer will start more quickly because it will skip certain configurations and tests.
Numlock Key
This option involves the rightmost bank of keys on your keyboard. When set to On (default setting), this option activates the numeric and
mathematical features shown at the top of each key. When set to Off, this option activates the cursor-control functions labeled on the
bottom of each key.
POST Hotkeys
This setting specifies whether keystroke sequences are displayed when the computer starts. The default setting is Setup & Boot Menu.
Keyboard
Errors
This option disables or enables keyboard error reporting when the computer starts.
- Mini Tower Computer 1
- Desktop Computer 1
- Small Form Factor Computer 1
- Advanced Features 2
- Security 3
- Password Protection 3
- System Password 4
- Administrator Password 5
- System Setup 6
- System Setup Options 7
- Boot Sequence 9
- Booting to a USB Device 10
- Clearing CMOS Settings 12
- Hyper-Threading 12
- Power Management 13
- Battery 14
- Before You Begin 16
- Chassis Intrusion Switch 20
- Cleaning Your Computer 23
- Desktop Computer 26
- Finding Information 27
- Operating System CD 28
- Getting Help 30
- Problems With Your Order 31
- Product Information 31
- Before You Call 32
- Contacting Dell 32
- Glossary 41
- Memory 53
- Removing Memory 54
- Mini Tower Computer 59
- PCI Express Cards 67
- Removing a PCI Express Card 69
- Removing a Hard Drive 76
- Adding a Second Hard Drive 78
- Drive-Panel Inserts 79
- Power Supply 101
- DC Power Connectors 102
- DC Power Connector P2 103
- DC Power Connector P4 103
- DC Power Connector P7 103
- FCC Notices (U.S. Only) 109
- Drivers 113
- Creating a Restore Point 114
- Before You Begin 115
- Reinstalling Windows XP 116
- Removing the System Board 118
- Desktop System Board Screws 119
- Replacing the System Board 120
- Desktop Computer 121
- Back View 122
- Back-Panel Connectors 122
- Inside Your Computer 123
- System Board Components 124
- Jumper Settings 124
- PCI Cards 126
- Removing a PCI Card 127
- Serial Port Adapters 132
- Drives 136
- CD/DVD Drive 137
- Installing a CD/DVD Drive 138
- Floppy Drive 139
- Installing a Floppy Drive 140
- Hard Drive 141
- Installing a Hard Drive 142
- I/O Panel 144
- Processor 146
- Installing the Processor 147
- DC Power Connector P3 152
- DC Power Connector P5 and P6 152
- Back to Contents Page 157
- Front View 158
- PCI Cards 163
- Abbreviations and Acronyms 185
- Small Form Factor Computer 185
- Solving Problems 186
- Keyboard Problems 187
- A program stops responding 188
- A program crashes repeatedly 188
- A solid blue screen appears 188
- Memory Problems 189
- Mouse Problems 189
- Network Problems 190
- Power Problems 190
- Printer Problems 191
- Restoring Default Settings 192
- Sound and Speaker Problems 192
- Video and Monitor Problems 193
- Mini Tower Computer 204
- Dell Diagnostics 206
- System Lights 207
- Diagnostic Lights 208
- Beep Codes 209
- Error Messages 210
- Microsoft 212
- Windows 212
- Warranty 223
- Adding User Accounts 225
- Fast User Switching 225
- Network Setup Wizard 225
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