Dell OptiPlex GX240 User Manual Page 161
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164 Solving Problems
www.dell.com | support.dell.com
Yes. The problem is resolved.
No. Go to step 4.
4 Turn off the computer and the device, swap the device's cable with a
known working cable, and then turn on the computer and the device.
Is the device working properly?
Yes. You need a new device cable. Contact Dell for technical
assistance.
No. Go to step 5.
5 Turn off the computer and the device, swap the device with a
comparable working device, and then turn on the computer and the
device.
Is the device working properly?
Yes. You need a new device. Contact Dell for technical assistance.
No. Contact Dell for technical assistance.
Mouse Problems
Basic Checks:
• Disconnect the cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
• If the cable is not damaged, make sure that it is firmly connected to
the computer.
• Reinstall the mouse driver for your operating system.
• Restart the computer.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist as you perform the following steps:
1 If you are using a PS/2 mouse, enter system setup and make sure that
Mouse Port under the Integrated Devices option is set to On. Then
exit system setup properly to save the information, and reboot the
computer.
Is the device working properly?
Yes. The problem is resolved.
No. Go to step 2.
- User’s Guide 1
- Notes, Notices, and Cautions 2
- Abbreviations and Acronyms 2
- Contents 3
- 2 Advanced Features 4
- 3 Installing Upgrades 4
- 5 Technical Specifications 6
- 6 Solving Problems 6
- Computer 9
- Electrostatic Discharge 10
- Ergonomic Computing Habits 10
- About Your Computer 13
- (continued) 15
- Front Panel 17
- Front Panel Door 20
- Speaker/Headphone Connector 21
- Power Button 21
- Power Light 23
- Back Panel 24
- About Your Computer 27 25
- 1PCI slots (2) 25
- 2 AC adapter 25
- Connecting Devices 27
- Parallel Connector 28
- Mouse Connector 28
- USB Connectors 28
- Network Cable Requirements 28
- Line-In Jack 29
- Line-Out Jack 29
- Microphone Jack 29
- Serial Connectors 29
- Keyboard Connector 29
- Inside Your Computer 30
- System Board Components 34
- Advanced Features 37
- Manageability 38
- Security 39
- Option settings: 40
- Password Protection 41
- Using Your System Password 42
- Setup Password 43
- Assigning a Setup Password 44
- Computer Settings 46
- Advanced Features 53 51
- 54 Advanced Features 52
- 56 Advanced Features 54
- NOTE: For Windows NT 54
- , Off is the default setting 54
- If You Have a Problem 56
- Jumper Settings 57
- Software Installation and 58
- Configuration 58
- Installing Upgrades 59
- Computer Cover 60
- Closing the Computer Cover 63
- Expansion Cards 64
- Installing an Expansion Card 65
- Removing an Expansion Card 71
- Removing an AGP Card 76
- Computer Only) 77
- 80 Installing Upgrades 78
- Expansion-Card Cage Removal 78
- 1expansion-card cage 78
- Installing a TAPI Device 80
- Installing a TAPI Sound Card 81
- Installing DIMMs 82
- Removing DIMMs 84
- Microprocessor 85
- 88 Installing Upgrades 86
- 1airflow shroud 86
- Removing the Microprocessor 89
- Installing the Microprocessor 90
- Front Panel Inserts 93
- 96 Installing Upgrades 94
- Installing Upgrades 97 95
- CD/DVD drive data cable 96
- Installing Upgrades 99 97
- Internal Drives 98
- IDE Drive Addressing 100
- Connecting Drives 101
- Hard Drives 103
- 106 Installing Upgrades 104
- Hard-Drive Shroud Removal 104
- Detaching Hard Drive Cables 105
- Drive Cables”) 107
- Removing a Hard Drive 108
- Installing a Hard Drive 110
- Reattaching Hard Drive Cables 111
- Floppy Drives 115
- Detaching Floppy Drive Cables 116
- Removing a Floppy Drive 120
- Installing Upgrades 123 121
- Small Desktop Computer 121
- Small Mini-Tower Computer 121
- Small Form-Factor Computer 122
- CD/DVD Drives 126
- Installing Upgrades 129 127
- Interposer Board Removal 127
- 1 interposer board 127
- 132 Installing Upgrades 130
- Installing Upgrades 133 131
- Installing Upgrades 135 133
- Replacing the Battery 137
- Installing Upgrades 141 139
- 142 Installing Upgrades 140
- Removing the Computer Stand 141
- Attaching the Computer Stand 141
- 146 Stand 144
- Technical 145
- Specifications 145
- Solving Problems 152
- Finding Solutions 153
- Drivers for Your Computer 154
- Power Problems 155
- Video and Monitor Problems 155
- Solving Problems 159 156
- Sound and Speaker Problems 157
- Printer Problems 158
- Solving Problems 163 160
- Mouse Problems 161
- Keyboard Problems 162
- Floppy Drive Problems 163
- Hard Drive Problems 165
- Battery Problems 168
- Expansion Card Problems 169
- Repairing a Wet Computer 171
- Hardware Conflicts 173
- Computer Memory Problems 173
- System Board Problems 174
- Dell Diagnostics 176
- Before You Start Testing 177
- Running the Dell Diagnostics 177
- Solving Problems 181 178
- Dell Diagnostics Main Menu 178
- Advanced Testing 179
- Messages and Codes 181
- Computer Messages 182
- Diagnostics 186
- Computer Beep Codes 189
- Solving Problems 193 190
- Code Cause Action 190
- Warning Messages 191
- Diagnostics Messages 192
- Diagnostic Lights 192
- Front Panel Lights 192
- Back Panel Lights 193
- Solving Problems 197 194
- Back Panel Light Codes 194
- Software Problems 195
- Solving Problems 199 196
- Input Errors 197
- Error Messages 197
- Device Drivers 197
- Memory-Resident Programs 197
- Program Conflicts 198
- Memory Address Conflicts 198
- Getting Help 200
- Help Overview 201
- World Wide Web 202
- AutoTech Service 203
- TechFax Service 203
- Automated Order-Status System 203
- Technical Support Service 203
- Problems With Your Order 204
- Product Information 204
- Before You Call 205
- Diagnostics Checklist 206
- Dell Contact Numbers 207
- Additional 222
- Information 222
- Regulatory Notices 223
- FCC Notices (U.S. Only) 224
- 228 Additional Information 225
- IC Notice (Canada Only) 226
- CE Notice (European Union) 226
- Battery Disposal 227
- VCCI Notice (Japan Only) 228
- Class A ITE 229
- Class B ITE 229
- Class A Device 230
- Class B Device 231
- Additional Information 235 232
- 236 Additional Information 233
- BSMI Notice (Taiwan Only) 234
- NOM Information (Mexico Only) 235
- ENERGY STAR 237
- Compliance 237
- Warranty and Return Policy 238
- 242 Additional Information 239
- Microsoft 240
- Windows 240
- XP Features 240
- Overview 241
- New User Interface 242
- Clean Desktop Wizard 243
- Taskbar Grouping 244
- Notification Area Cleanup 244
- Program Compatibility Wizard 246
- System Restore 247
- Using System Restore 248
- Restore Process 249
- Driver Rollback 250
- How to Add Users 253
- Network Setup Wizard 254
- Internet Connection Firewall 255
- Glossary 258
- • http://www.dell.com 281
- • http://support.dell.com 281
- • ftp.dell.com 281
- • mailto:[email protected] 281
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