Dell OptiPlex GX520 User Manual Page 144
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Dell™OptiPlex™GX520User'sGuide
I/O Panel
I/O Panel
Removing the I/O Panel
1. Follow the procedures in "Before You Begin."
2. Remove the cable from the I/O panel by pulling on the pull-loop.
3. Remove the screw that secures the I/O panel to the desktop computer.
4. Gently rotate and slide the I/O panel away from the computer.
Replacing the I/O Panel
1. To replace the I/O panel, follow the removal procedures in the reverse order.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
NOTE: Note the routing of all cables before disconnecting them, so that you can re route them correctly when installing the new I/O panel.
NOTICE: When sliding the I/O panel out of the computer, be extremely careful. Carelessness may result in damage to the cable connectors and the
cable routing clips.
1
securing screw
2
I/O panel
3
I/O cable connector
4
I/O connector pull-loop
NOTE: Use the guides on the I/O panel bracket to help position the I/O panel in place and use the notch on the I/O panel bracket to help seat the card.
- 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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