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1. If a security device is installed in the security cable slot, remove the device.
2. Press on the release button, grasp the cable cover, and slide the cover to the left until it stops, and then lift the cable cover up and away.
Connecting the Power Adapter
1. Connect the external power adapter to the connector on the back of the computer. In order for the connection to be secure, verify that the latch
engages completely. (An audible click will be heard or felt.)
2. Connect one end of the AC power cable to the power adapter.
3. If your AC power cable has a green ground wire for connection to an electrical outlet, connect the metal ground connector to the grounding source on
the outlet (see the following illustration):
a. Loosen the grounding source.
b. Slide the metal ground connector behind the grounding source, and then tighten the grounding source.
4. Connect the AC power cable to the outlet.
The power adapter has a status light that is off when the AC adapter is not plugged into the outlet and green or amber for different states:
1
release button
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: If your power adapter cable has a green grounding wire, do not permit contact between the
green ground wire and power leads because electrical shock, fire, or damage to your computer can occur.
1
grounding source
2
metal ground connector
- Mini Tower Computer 1
- Desktop Computer 1
- Small Form Factor Computer 1
- Advanced Features 2
- Security 3
- Password Protection 3
- Option Settings 4
- Assigning a System Password 4
- Typing Your 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 13
- Power Management 13
- Back to Contents Page 14
- Battery 15
- Before You Begin 17
- Chassis Intrusion Switch 19
- Cleaning Your Computer 22
- Desktop Computer 25
- 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 57
- Removing a PCI Express Card 67
- Removing a Hard Drive 74
- Adding a Second Hard Drive 76
- Drive-Panel Inserts 77
- DC Power Connector P4 90
- DC Power Connector P7 90
- DC Power Connector P2 90
- FCC Notices (U.S. Only) 96
- Drivers 98
- Creating a Restore Point 99
- Before You Begin 100
- Reinstalling Windows XP 101
- Dell™OptiPlex™GX620 103
- User's Guide 103
- Desktop System Board Screws 104
- Desktop Computer 106
- Back View 107
- Back-Panel Connectors 107
- Inside Your Computer 108
- System Board Components 109
- Jumper Settings 109
- PCI Cards 111
- Removing a PCI Card 112
- PCI Express Cards 117
- Serial Port Adapters 119
- Drives 124
- CD/DVD Drive 125
- Installing a CD/DVD Drive 126
- Floppy Drive 127
- Installing a Floppy Drive 128
- Hard Drive 129
- Installing a Hard Drive 130
- I/O Panel 132
- Processor 134
- Installing the Processor 135
- Power Supply 138
- DC Power Connectors 139
- Front View 146
- Abbreviations and Acronyms 173
- Small Form Factor Computer 173
- Model DCSM 174
- August 2006 N8071 Rev. A02 174
- Solving Problems 175
- Keyboard Problems 176
- Memory Problems 178
- Mouse Problems 178
- Network Problems 179
- Power Problems 179
- Printer Problems 180
- Restoring Default Settings 180
- Sound and Speaker Problems 181
- Video and Monitor Problems 182
- Mini Tower Computer 184
- Model DCTR 185
- Dell Diagnostics 187
- System Lights 188
- Diagnostic Lights 189
- Beep Codes 190
- Error Messages 191
- Microsoft 193
- Windows 193
- Model DCCY 196
- Side View 197
- Cable Cover (Optional) 201
- Badge 203
- Module Bay 209
- Warranty 218
- Adding User Accounts 220
- Fast User Switching 220
- Network Setup Wizard 220
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