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Chassis Intrusion Switch
Dell™ OptiPlex™ GX280 Systems User's Guide
Removing the Chassis Intrusion Switch
Replacing the Chassis Intrusion Switch
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in
the Product Information Guide.
Removing the Chassis Intrusion Switch
1. Follow the procedures in "Before You Begin."
2. Disconnect the chassis intrusion switch cable from the system board.
Note the routing of the chassis intrusion cable as you remove it from the chassis. Chassis hooks may hold the cable in
place inside the chassis.
3. Using a flat blade screwdriver, gently slide the chassis intrusion switch out of its slot, and remove the switch and its
attached cable from the computer.
Small Form Factor Computer
Small Desktop Computer
- Small Form-Factor Computer 1
- Small Desktop Computer 1
- Desktop Computer 1
- Small Mini-Tower Computer 1
- Mini-Tower Computer 1
- Small Form-Factor 2
- Computer 2
- Small Desktop Computer 4
- Small Mini-Tower 8
- Mini-Tower Computer 10
- Notes, Notices, and Cautions 10
- Abbreviations and Acronyms 11
- Finding Information 12
- Back to Contents Page 14
- Specifications 15
- Cleaning Your Computer 22
- CDs and DVDs 23
- Advanced Features 24
- Security 25
- Password Protection 26
- Typing Your System Password 27
- Admin Password 28
- System Setup 29
- System Setup Screens 30
- System Setup Options 31
- Boot Sequence 39
- Booting to a USB Device 40
- Clearing Forgotten Passwords 40
- Desktop Computer 41
- Small Mini-Tower Computer 41
- Clearing CMOS Settings 43
- Hyper-Threading 43
- Power Management 43
- Before You Begin 52
- Chassis Intrusion Switch 58
- I/O Panel 75
- Replacing the I/O Panel 79
- DDR2 Memory Overview 80
- Power Supply 95
- Mini Tower Computer 100
- DC Power Connectors 101
- DC Power Connector P1 102
- DC Power Connector P2 102
- DC Power Connectors P3 103
- DC Power Connector P4 and P5 103
- DC Power Connector P6 103
- DC Power Connector P3 105
- DC Power Connector P5 105
- DC Power Connector P4 112
- DC Power Connector P7 113
- Processor 114
- System Board 120
- Small Desktop System Board 121
- Desktop System Board 122
- Small Mini-Tower System Board 123
- Tower System Board 125
- Jumper Settings 126
- Replacing the System Board 127
- 1 desktop system board 130
- 2 screws (10) 130
- 1 mini-tower system board 130
- Small Mini-Tower Computers 131
- Closing the Computer Cover 135
- Dell Diagnostics 136
- Dell Diagnostics Main Menu 137
- System Lights 138
- Diagnostic Lights 138
- Beep Codes 140
- Error Messages 141
- Microsoft 144
- Windows 144
- Solving Problems 146
- CD and DVD drive problems 147
- Hard drive problems 147
- Keyboard Problems 148
- Lockups and Software Problems 148
- A program crashes repeatedly 149
- A solid blue screen appears 149
- Other software problems 149
- Memory Problems 150
- Mouse Problems 150
- Network Problems 151
- Power Problems 151
- Printer Problems 152
- Restoring Default Settings 153
- Sound and Speaker Problems 153
- No sound from speakers 154
- Video and Monitor Problems 155
- What Is a Driver? 157
- Identifying Drivers 157
- Creating a Restore Point 159
- Before You Begin 160
- Reinstalling Windows XP 161
- Getting Help 163
- AutoTech Service 164
- Technical Support Service 164
- Problems With Your Order 165
- Product Information 165
- Before You Call 165
- Contacting Dell 166
- Adding User Accounts 179
- Fast User Switching 179
- Network Setup Wizard 180
- Glossary 181
- Warranty 194
- FCC Notices (U.S. Only) 195
- Front View 197
- Back View 198
- Inside Your Computer 200
- System Board Components 201
- Opening the Computer Cover 205
- Connecting Drive Cables 207
- Hard Drive 208
- Installing a Hard Drive 209
- Front-Panel Inserts 211
- Floppy Drive 212
- Installing a Floppy Drive 213
- CD/DVD Drive 215
- Installing a CD/DVD Drive 216
- Cable Routing 218
- PCI Cards 220
- Removing a PCI Card 223
- PCI Express Cards 224
- Serial Port Adapters 232
- About Your Desktop Computer 242
- Drive Interface Connectors 251
- Power Cable Connector 251
- Removing a CD/DVD Drive 258
- Installing the Processor 276
- Reattaching the Hinge Arms 285
- Reattaching the Front Door 286
- IDE Drive Addressing 291
- Removing a Hard Drive 293
- Adding a Second Hard Drive 295
- Installing a PCI Express Card 311
- 2 cover release latch 331
- 3 padlock ring 331
- Drive-Panel Inserts 341
- Removing the Floppy Drive 343
- Installing the Floppy Drive 343
- Removing a PCI Express Card 355
- Battery 362
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