Dell OptiPlex GX270 Manuel d'utilisateur Page 18
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Booting to a USB Device
Memory Key
1. Insert the memory key into a USB port and restart the computer.
2. 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.
3. From the boot menu, select the number that appears next to the USB device.
The computer boots to the USB device.
Floppy Drive
1. Disable the integrated floppy controller by entering system setup, going to integrated devices, and setting the diskette interface to Off.
2. Connect the USB floppy drive, insert a bootable diskette, and re-boot the system.
Jumper Settings
To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
l Quiet (default) — The hard drive operates in its quietest setting.
l Performance — The hard drive operates at its maximum speed.
NOTE: Switching to Performance mode may cause the drive to be noisier, but its performance is not affected.
l Bypass — Your computer will not test or change the current acoustics mode setting.
l Suggested — The hard drive will operate at the level suggested by the hard-drive manufacturer.
NOTE: Changing the acoustics setting does not alter your hard-drive image.
Asset Tag — Displays the customer-programmable asset tag number for the computer if an asset tag number is assigned.
NOTE: To boot to a USB device, the device must be bootable. To ensure that your device is bootable, check the device documentation.
NOTICE: Ensure that your computer is turned off and unplugged before you change the jumper settings. Otherwise, damage to your computer or
unpredictable results can occur.
NOTICE: 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, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
Jumper
Setting
Description
PSWD
(default)
Password features are enabled.
Password features are disabled.
RTCRST
Real-time clock reset
- Abbreviations and Acronyms 2
- Advanced Troubleshooting 3
- Reinstalling Drivers 4
- Windows 2000 5
- Creating a Restore Point 6
- Before You Reinstall 6
- Reinstalling Windows XP 7
- Microsoft Windows XP 8
- Advanced Features 10
- Security 11
- Password Protection 11
- Assigning a System Password 12
- Typing Your System Password 12
- Setup Password 13
- System Setup 14
- Boot Sequence 15
- System Setup Options 16
- Booting to a USB Device 18
- Jumper Settings 18
- Power Button 19
- Hyper-Threading 19
- Power Management 20
- Battery 21
- Cleaning Your Computer 23
- Closing the Computer Cover 24
- Ergonomic Computing Habits 25
- Back to Contents Page 26
- Operating System CD 28
- Getting Help 29
- AutoTech Service 30
- Problems With Your Order 31
- Product Information 31
- Before You Call 31
- Contacting Dell 32
- Glossary 40
- DDR Memory Overview 47
- Installing Memory 48
- Removing Memory 50
- Regulatory Notices 51
- IC Notice (Canada Only) 52
- CE Notice (European Union) 52
- ENERGY STAR®Compliance 52
- VCCI Notice (Japan Only) 53
- Class A Device 54
- Class B Device 54
- BSMI Notice (Taiwan Only) 55
- SAFETY: General 57
- SAFETY: Battery Disposal 59
- PCI Cards 101
- Removing a PCI Card 103
- Serial Port Adapters 104
- Opening the Computer Cover 106
- Connecting Drive Cables 107
- Drive Interface Connectors 108
- Power Cable Connector 108
- Hard Drive 109
- Removing a Hard Drive 110
- Installing a Hard Drive 110
- Front-Panel Inserts 112
- Floppy Drive 112
- Removing a Floppy Drive 113
- Installing a Floppy Drive 114
- CD/DVD Drive 115
- Installing a CD/DVD Drive 116
- Cable Routing 117
- Microprocessor 119
- About Your Computer 124
- Back View 125
- Inside Your Computer 126
- System Board Components 127
- AGP and DVI Adapter Cards 129
- Adding a Second Hard Drive 142
- Removing a CD/DVD Drive 148
- Solving Problems 156
- Beep Codes 157
- System Lights 158
- Battery Problems 158
- Card Problems 158
- Drive Problems 159
- CD drive problems 160
- DVD drive problems 160
- Hard drive problems 160
- Dropped or Damaged Computer 161
- Error Messages 161
- General Problems 163
- A solid blue screen appears 164
- Other software problems 164
- Other technical problems 164
- General hardware problems 164
- Keyboard Problems 165
- Memory Problems 165
- Mouse Problems 165
- Network Problems 166
- Power Problems 166
- Printer Problems 167
- Sound and Speaker Problems 168
- System Board Problems 168
- Video and Monitor Problems 169
- Specifications 171
- May20048Y945Rev.A02 175
- Warranty and Return Policy 176
- Adding User Accounts 177
- Fast User Switching 178
- Network Setup Wizard 178
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