Dell OptiPlex GX240 User Manual Page 45
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- Table of contents
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Advanced Features 43
NOTE: Before you
purchase an antitheft
device, make sure it
works with the security
cable slot on your
computer.
Password Protection
The computer provides two types of password protection:
• System Password
• Setup Password
System Password
System passwords allow only those who know the password to have full use
of the computer. Your Dell computer does not have the system password
feature enabled when you receive it.
NOTICE: Although passwords provide security for the data on your computer,
they are not foolproof. If your data requires more security, it is your
responsibility to obtain and use additional forms of protection, such as data
encryption programs.
NOTICE: If you leave your computer running and unattended without having
a system password assigned, or if you leave your computer unlocked so that
someone can disable the password by changing a jumper setting, anyone can
access the data stored on your hard drive.
System Password settings in system setup:
• Enabled — a system password is assigned
• Disabled — system password feature is disabled by a jumper setting on
the system board
NOTE: You cannot
change or enter a new
system password if either
of these options is
displayed.
• Not Enabled — no system password is assigned and the password
jumper on the system board is in the enabled position (its default
setting)
NOTE: You can only
assign a system password
when System Password is
set to Not Enabled.
Assigning a System Password
1 Verify that Password Status is set to Unlocked.
2 Highlight System Password and then press the left- or right-arrow key.
The option heading changes to Enter Password, followed by an empty
32-character field in square brackets.
3 Type your new system password.
You can use up to 32 characters.
- User’s Guide 1
- Notes, Notices, and Cautions 2
- Abbreviations and Acronyms 2
- Contents 3
- 2 Advanced Features 4
- 3 Installing Upgrades 5
- 5 Technical Specifications 6
- 6 Solving Problems 6
- 7 Getting Help 8
- 8 Additional Information 8
- 8 Contents 10
- CAUTION: Safety Instructions 11
- When Using Your Computer 13
- Ergonomic Computing Habits 15
- Battery Disposal 16
- About Your Computer 17
- Front Panel 21
- Front Panel Door 24
- Speaker/Headphone Connector 25
- Power Button 25
- Power Light 27
- Back Panel 28
- About Your Computer 27 29
- 1 PCI slots (2) 29
- 2AC adapter 29
- Connecting Devices 31
- Parallel Connector 32
- Mouse Connector 32
- USB Connectors 32
- Network Cable Requirements 32
- About Your Computer 31 33
- Inside Your Computer 34
- System Board Components 38
- Advanced Features 41
- Manageability 42
- Security 43
- Option settings: 44
- Password Protection 45
- Using Your System Password 46
- Setup Password 47
- Assigning a Setup Password 48
- Computer Settings 50
- Advanced Features 53 55
- 54 Advanced Features 56
- 56 Advanced Features 58
- NOTE: For Windows NT 58
- , Off is the default setting 58
- If You Have a Problem 60
- Jumper Settings 61
- Software Installation and 62
- Configuration 62
- Advanced Features 61 63
- 62 Advanced Features 64
- Installing Upgrades 65
- Computer Cover 66
- Closing the Computer Cover 69
- Expansion Cards 70
- Installing an Expansion Card 71
- Removing an Expansion Card 79
- Removing an AGP Card 84
- Computer Only) 85
- 84 Installing Upgrades 86
- Expansion-Card Cage Removal 86
- 1 expansion-card cage 86
- Installing a TAPI Device 88
- Installing a TAPI Sound Card 89
- Installing DIMMs 90
- Removing DIMMs 92
- Microprocessor 93
- 92 Installing Upgrades 94
- 1 airflow shroud 94
- Installing Upgrades 93 95
- Installing Upgrades 95 97
- Removing the Microprocessor 99
- Installing the Microprocessor 100
- Front Panel Inserts 103
- 102 Installing Upgrades 104
- Installing Upgrades 103 105
- Small Desktop Computer 105
- CD/DVD drive data cable 106
- Installing Upgrades 105 107
- Internal Drives 108
- IDE Drive Addressing 110
- Connecting Drives 111
- Hard Drives 113
- Detaching Hard Drive Cables 114
- Drive Cables”) 117
- Removing a Hard Drive 118
- Installing a Hard Drive 120
- Reattaching Hard Drive Cables 121
- Floppy Drives 127
- Detaching Floppy Drive Cables 128
- Removing a Floppy Drive 131
- Installing Upgrades 131 133
- Small Mini-Tower Computer 133
- Small Form-Factor Computer 134
- CD/DVD Drives 139
- Installing Upgrades 141 143
- 142 Installing Upgrades 144
- Replacing the Battery 150
- 150 Installing Upgrades 152
- Removing the Computer Stand 153
- Attaching the Computer Stand 153
- 154 Stand 156
- Technical 157
- Specifications 157
- 162 Technical Specifications 164
- Solving Problems 165
- Finding Solutions 166
- Drivers for Your Computer 167
- Power Problems 168
- Video and Monitor Problems 168
- Solving Problems 167 169
- Sound and Speaker Problems 170
- Printer Problems 171
- Solving Problems 171 173
- Mouse Problems 174
- Keyboard Problems 175
- Floppy Drive Problems 176
- Hard Drive Problems 178
- Battery Problems 181
- Expansion Card Problems 182
- Repairing a Wet Computer 184
- Hardware Conflicts 186
- Computer Memory Problems 186
- System Board Problems 187
- Dell Diagnostics 189
- Before You Start Testing 190
- Running the Dell Diagnostics 190
- Solving Problems 189 191
- Dell Diagnostics Main Menu 191
- Advanced Testing 192
- Messages and Codes 194
- Computer Messages 195
- Diagnostics 199
- Computer Beep Codes 202
- Solving Problems 201 203
- Code Cause Action 203
- Warning Messages 204
- Diagnostics Messages 205
- Diagnostic Lights 205
- Front Panel Lights 205
- Back Panel Lights 206
- Solving Problems 205 207
- Back Panel Light Codes 207
- Software Problems 208
- Solving Problems 207 209
- Input Errors 210
- Error Messages 210
- Device Drivers 210
- Memory-Resident Programs 210
- Program Conflicts 211
- Memory Address Conflicts 211
- Getting Help 213
- Technical Assistance 214
- AutoTech Service 215
- Problems With Your Order 216
- Product Information 216
- Before You Call 217
- Contacting Dell 219
- 234 Getting Help 236
- Additional 237
- Information 237
- Regulatory Notices 238
- FCC Notices (U.S. Only) 239
- 238 Additional Information 240
- IC Notice (Canada Only) 241
- CE Notice (European Union) 241
- ENERGY STAR 242
- Compliance 242
- Emblem 243
- VCCI Notice (Japan Only) 244
- Class A ITE 245
- Class B ITE 245
- Class A Device 246
- Class B Device 247
- 246 Additional Information 248
- Additional Information 247 249
- BSMI Notice (Taiwan Only) 250
- NOM Information (Mexico Only) 251
- Warranty and Return Policy 252
- Microsoft 255
- Windows 255
- XP Features 255
- Overview 256
- New User Interface 257
- Clean Desktop Wizard 258
- Taskbar Grouping 259
- Notification Area Cleanup 259
- Program Compatibility Wizard 261
- System Restore 262
- Using System Restore 263
- Restore Process 264
- Driver Rollback 265
- How to Add Users 268
- Network Setup Wizard 269
- Internet Connection Firewall 270
- Glossary 273
- • http://www.dell.com 296
- • http://support.dell.com 296
- • ftp.dell.com 296
- • mailto:[email protected] 296
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