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Dell GX620 User Guide - Page 30

Inside Your Computer, CAUTION, NOTICE - video card

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www.dell.com | support.dell.com 4 network activity light 5 line-in connector 6 line-out connector 7 microphone connector 8 USB 2.0 connectors (6) 9 video connector 10 serial connector Flashes a yellow light when the computer is transmitting or receiving network data. A high volume of network traffic may make this light appear to be in a steady "on" state. Use the blue line-in connector to attach a record/playback device such as a cassette player, CD player, or VCR. On computers with a sound card, use the connector on the card. Use the green line-out connector to attach headphones and most speakers with integrated amplifiers. On computers with a sound card, use the connector on the card. Use the pink microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony program. On computers with a sound card, the microphone connector is on the card. Use the back USB connectors for devices that typically remain connected, such as printers and keyboards. Plug the cable from your VGA-compatible monitor into the blue connector. NOTE: If you purchased an optional graphics card, this connector will be covered by a cap. Connect your monitor to the connector on the graphics card. Do not remove the cap. NOTE: If you are using a graphics card that supports dual monitors, use the y-cable that came with your computer. Connect a serial device, such as a handheld device, to the serial port. The default designations are COM1 for serial connector 1 and COM2 for serial connector 2. For more information, see "System Setup Options." Inside Your Computer CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board. 30 Mini Tower Computer

Section	Page
Dell™ OptiPlex™ GX620 User’s Guide	1
Contents	3
Finding Information	15
Before You Begin	19
Recommended Tools	19
Turning Off Your Computer	19
Before Working Inside Your Computer	19
Chassis Intrusion Switch	21
Removing the Chassis Intrusion Switch	21
Mini Tower Computer	21
Desktop Computer	22
Small Form Factor Computer	23
Ultra Small Form Factor Computer	24
Replacing the Chassis Intrusion Switch	24
Resetting the Chassis Intrusion Detector	24
Mini Tower Computer	25
About Your Mini Tower Computer	25
Front View	25
Back View	27
Back-Panel Connectors	28
Inside Your Computer	30
System Board Components	32
Jumper Settings	33
Mini Tower Computer Specifications	35
Removing the Computer Cover	41
I/O Panel	43
Removing the I/O Panel	43
Replacing the I/O Panel	44
Drives	45
General Installation Guidelines	45
IDE Drive Addressing	46
Connecting Drive Cables	46
Drive Interface Connectors	46
Power Cable Connectors	47
Connecting and Disconnecting Drive Cables	47
Hard Drive	48
Removing a Hard Drive	48
Installing a Hard Drive	49
Adding a Second Hard Drive	52
Drive-Panel Inserts	54
Floppy Drive	57
Removing the Floppy Drive	57
Installing the Floppy Drive	58
CD/DVD Drive	60
Removing a CD/DVD Drive	60
Installing a CD/DVD Drive	61
PCI and PCI Express Cards and Serial Port Adapters	67
PCI Cards	67
Installing a PCI Card	67
Removing a PCI Card	70
PCI Express Cards	73
Installing a PCI Express Card	73
Removing a PCI Express Card	77
Serial Port Adapters	78
Installing a Serial Port Adapter	78
Removing a Serial Port Adapter	80
Power Supply	83
Replacing the Power Supply	83
DC Power Connectors	85
Processor	91
Removing the Processor	91
Installing the Processor	92
Desktop Computer	97
About Your Desktop Computer	97
Front View	97
Back View	98
Back-Panel Connectors	99
Inside Your Computer	100
System Board Components	102
Jumper Settings	103
Desktop Computer Specifications	105
Removing the Computer Cover	111
I/O Panel	113
Removing the I/O Panel	113
Replacing the I/O Panel	114
Drives	115
General Installation Guidelines	115
Connecting Drive Cables	115
Drive Interface Connectors	116
Power Cable Connectors	117
Connecting and Disconnecting Drive Cables	117
CD/DVD Drive	118
Removing a CD/DVD Drive	118
Installing a CD/DVD Drive	118
Floppy Drive	120
Removing a Floppy Drive	120
Installing a Floppy Drive	121
Hard Drive	123
Removing a Hard Drive	123
Installing a Hard Drive	124
PCI and PCI Express Cards and Serial Port Adapters	127
PCI Cards	127
Installing a PCI Card	127
Removing a PCI Card	130
Installing a PCI Card in the Riser-Card Cage	131
Removing a PCI Card From the Riser-Card Cage	134
PCI Express Cards	136
Installing a PCI Express x16 Card	136
Removing a PCI Express x16 Card	138
Serial Port Adapters	139
Installing a Serial Port Adapter	139
Removing a Serial Port Adapter	140
Installing a Serial Port Adapter in the Riser-Card Cage	141
Removing a Serial Port Adapter From the Riser-Card Cage	142
Power Supply	145
Replacing the Power Supply	145
DC Power Connectors	147
Processor	153
Removing the Processor	153
Installing the Processor	154
Small Form Factor Computer	157
About Your Small Form Factor Computer	157
Front View	157
Back View	158
Back-Panel Connectors	159
Inside Your Computer	160
System Board Components	162
Jumper Settings	163
Small Form Factor Computer Specifications	165
Removing the Computer Cover	171
I/O Panel	173
Removing the I/O Panel	173
Replacing the I/O Panel	174
Drives	175
General Installation Guidelines	175
Connecting Drive Cables	175
Drive Interface Connectors	176
Power Cable Connectors	176
Connecting and Disconnecting Drive Cables	177
Hard Drive	177
Removing a Hard Drive	177
Installing a Hard Drive	179
CD/DVD Drive	182
Removing a CD/DVD Drive	182
Installing a CD/DVD Drive	184
Floppy Drive	185
Removing a Floppy Drive	185
Installing a Floppy Drive	186
PCI and PCI Express Cards and Serial Port Adapters	189
PCI Express Cards	189
Installing a PCI Express Card	189
Removing a PCI Express Card	193
Serial Port Adapters	193
Installing a Serial Port Adapter	194
Removing a Serial Port Adapter	194
Power Supply	195
Processor	197
Removing the Processor	197
Installing the Processor	198
Ultra Small Form Factor Computer	201
About Your Ultra Small Form Factor Computer	201
Front View	201
Side View	202
Back View	203
Back-Panel Connectors	203
Connecting a VGA Monitor	204
Connecting Two Monitors	205
Inside Your Computer	205
System Board Components	207
Jumper Settings	207
Cable Cover (Optional)	208
Attaching the Cable Cover	208
Removing the Cable Cover	209
Connecting the Power Adapter	210
Badge	211
Ultra Small Form Factor Computer Specifications	213
Removing the Computer Cover	219
Module Bay	221
Installing a Device When Your Computer Is Turned Off	221
Installing a Device When Your Computer Is Running Microsoft® Windows®	223
Securing a Device in the Module Bay	224
Drives	227
General Installation Guidelines	227
Connecting Drive Cables	227
Drive Interface Connectors	227
Power Cable Connectors	228
Connecting and Disconnecting Drive Cables	228
Hard Drive	229
Installing a Hard Drive	229
Processor	233
Advanced Features	239
LegacySelect Technology Control	239
Manageability	239
Alert Standard Format	239
Dell OpenManage™ IT Assistant	240
Dell OpenManage Client Instrumentation	240
Security	240
Chassis Intrusion Detection	240
Option Settings	241
Padlock Ring and Security Cable Slot	241
Password Protection	241
System Password	241
Option Settings	242
Assigning a System Password	242
Typing Your System Password	243
Deleting or Changing an Existing System Password	243
Administrator Password	243
Option Settings	243
Assigning an Administrator Password	244
Operating Your Computer With an Administrator Password Enabled	244
Deleting or Changing an Existing Administrator Password	244
Disabling a Forgotten Password and Setting a New Password	245
System Setup	245
Overview	245
Entering System Setup	245
System Setup Screens	245
System Setup Options	247
Boot Sequence	252
Option Settings	252
Changing Boot Sequence for the Current Boot	252
Changing Boot Sequence for Future Boots	253
Booting to a USB Device	253
Memory Key	253
Floppy Drive	253
Clearing Forgotten Passwords	254
Clearing CMOS Settings	256
Hyper-Threading	257
Power Management	257
Battery	259
Replacing the Battery	259
Replacing the System Board	263
Removing the System Board: Mini Tower, Desktop, and Small Form Factor Computers	263
Mini Tower System Board Screws	264
Desktop System Board Screws	265
Small Form Factor System Board Screws	266
Replacing the System Board: Mini Tower, Desktop, and Small Form Factor Computers	266
Memory	267
DDR2 Memory Overview	267
Addressing Memory With 4-GB Configurations	268
Removing Memory	269
Replacing/Adding Additional Memory	270
Replacing the Computer Cover	273
Cleaning Your Computer	275
Computer, Keyboard, and Monitor	275
Mouse	275
Floppy Drive	275
CDs and DVDs	276
Reinstalling Drivers and the Operating System	277
Drivers	277
What Is a Driver?	277
Identifying Drivers	277
Reinstalling Drivers and Utilities	278
Using Windows XP Device Driver Rollback	278
Using the Optional Drivers and Utilities CD	278
Using Microsoft® Windows® XP System Restore	279
Creating a Restore Point	279
Restoring the Computer to an Earlier Operating State	279
Undoing the Last System Restore	280
Enabling System Restore	280
Reinstalling Microsoft Windows XP	280
Before You Begin	280
Reinstalling Windows XP	281
Booting From the Operating System CD	281
Windows XP Setup	281
Solving Problems	285
Battery Problems	285
Drive Problems	285
CD and DVD drive problems	285
Problems writing to a CD/DVD-RW drive	286
Hard drive problems	286
Keyboard Problems	286
Lockups and Software Problems	287
The computer does not start up	287
The computer stops responding	287
A program stops responding	288
A program crashes repeatedly	288
A solid blue screen appears	288
Other software problems	289
Memory Problems	289
Mouse Problems	290
Network Problems	291
Power Problems	291
Printer Problems	292
Restoring Default Settings	293
Serial or Parallel Device Problems	293
Sound and Speaker Problems	294
No sound from speakers	294
No sound from headphones	295
Video and Monitor Problems	297
If the screen is blank	297
If the screen is difficult to read	298
Microsoft® Windows® XP Features	299
Transferring Information to a New Computer	299
User Accounts and Fast User Switching	300
Adding User Accounts	300
Fast User Switching	300
Setting Up a Home and Office Network	301
Connecting to a Network Adapter	301
Network Setup Wizard	301
Glossary	303
Troubleshooting Tools and Utilities	313
Dell Diagnostics	313
When to Use the Dell Diagnostics	313
Starting the Dell Diagnostics From Your Hard Drive	313
Starting the Dell Diagnostics From the Drivers and Utilities CD (Optional)	313
Dell Diagnostics Main Menu	314
System Lights	316
Diagnostic Lights	317
Beep Codes	319
Error Messages	321
Resolving Software and Hardware Incompatibilities	325
Microsoft® Windows® XP	325
Getting Help	327
Technical Assistance	327
Online Services	327
AutoTech Service	328
Automated Order-Status Service	328
Technical Support Service	328
Problems With Your Order	329
Product Information	329
Returning Items for Warranty Repair or Credit	329
Before You Call	329
Contacting Dell	331
Warranty	349
FCC Notices (U.S. Only)	351
FCC Notices (U.S. Only)	351
Class A	352
Class B	352

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Mini Tower Computer

www.dell.com | support.dell.com

Inside Your Computer

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions

located in the

Product Information Guide

CAUTION:

To avoid electrical shock, always unplug your computer from the electrical outlet before

removing the computer cover.

NOTICE:

Be careful when opening the computer cover to ensure that you do not accidentally

disconnect cables from the system board.

network activity light

Flashes a yellow light when the computer is transmitting or receiving network data. A

high volume of network traffic may make this light appear to be in a steady "on" state.

line-in connector

Use the blue line-in connector to attach a record/playback device such as a cassette

player, CD player, or VCR.

On computers with a sound card, use the connector on the card.

line-out connector

Use the green line-out connector to attach headphones and most speakers with

integrated amplifiers.

On computers with a sound card, use the connector on the card.

microphone connector

Use the pink microphone connector to attach a personal computer microphone for voice

or musical input into a sound or telephony program.

On computers with a sound card, the microphone connector is on the card.

USB 2.0 connectors (6)

Use the back USB connectors for devices that typically remain connected, such as

printers and keyboards.

video connector

Plug the cable from your

VGA-compatible

monitor into the blue connector.

NOTE:

If you purchased an optional graphics card, this connector will be covered

by a cap. Connect your monitor to the connector on the graphics card. Do not remove

the cap.

NOTE:

If you are using a graphics card that supports dual monitors, use the y-cable

that came with your computer.

serial connector

Connect a serial device, such as a handheld device, to the serial port. The default

designations are COM1 for serial connector 1 and COM2 for serial connector 2.

For more information, see "

System Setup Options