Dell OptiPlex GX400 User Manual Page 20
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Installing a Memory Module
1. Press the securing clips at each end of the socket outward until they snap open (see the following figure).
Installing a Memory Module
2. Align the slots on the bottom of the module with the two ridges inside the socket.
3. Press the module straight down into the socket until the securing clips snap into place at the ends of the module.
Disk Drives and Media
Installing a CD, ZIP, or Other Externally Accessible Drive
in the Chassis
1. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then remove the computer cover.
2. Rotate the power supply away from the system board.
3. Remove the front panel.
4. Remove the drive bracket from the chassis drive bay you want to use.
Squeeze together the metal tabs that extend from each side of the drive bracket, and pull the bracket out of the bay (see the following figure).
Removing the Drive Bracket
If a drive is already installed in the bay and you are replacing it, disconnect the DC power cable and interface cable from the back of the drive before
removing the bracket from the bay. To remove the old drive from the bracket, turn the drive/bracket assembly upside down and remove the four screws
that secure the drive to the bracket (see "Attaching the Drive Bracket to the New Drive").
5. Unpack the drive and prepare it for installation.
See the documentation that accompanied the drive to verify that the drive is configured for your computer. Change any settings necessary for your
CAUTION: Before you perform this procedure, see "Safety First— For You and Your Computer."
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
- Notes, Notices, and Cautions 1
- About Your Computer 2
- Back View of Your Computer 3
- Inside Your Computer 4
- System Board Components 5
- Advanced Features 6
- Manageability 7
- Security 8
- Password Protection 9
- Setup Password 10
- Jumper Settings 11
- Installing a TAPI Device 12
- Power Management 13
- Installing Upgrades 15
- Power Supply 17
- Front Panel 17
- System Memory 18
- Upgrading System Memory 19
- Removing a Memory Module 19
- Disk Drives and Media 20
- General Guidelines 25
- EIDE Cables 25
- SCSI ID Numbers 25
- Device Termination 25
- AGP Card Brace 26
- Expansion Cards 26
- Removing the Filler Bracket 27
- Microprocessor 29
- Removing the Microprocessor 31
- Removing the VRM 32
- Replacing the VRM 32
- System Battery 33
- Back to Contents Page 34
- Technical Specifications 35
- Solving Problems 38
- Monitor Problems 39
- Video Problems 39
- Sound and Speaker Problems 40
- Printer Problems 41
- Mouse Problems 43
- Keyboard Problems 43
- Diskette Drive Problems 44
- Hard Drive Problems 45
- Battery Problems 47
- Expansion-Card Problems 47
- Repairing a Wet Computer 48
- Hardware Conflicts 49
- System Memory Problems 50
- Microprocessor Problems 50
- System Board Problems 51
- Dell Diagnostics 52
- Advanced Testing 53
- Messages and Codes 54
- System Beep Codes 56
- Warning Messages 57
- Diagnostics Messages 57
- Diagnostic Indicators 57
- Back-Panel Indicators 58
- Software Problems 59
- BIOS Recovery Utility 61
- Getting Help 62
- Problems With Your Order 63
- Product Information 63
- Before You Call 63
- Dell Contact Numbers 64
- Additional Information 71
- IC Notice (Canada Only) 72
- CE Notice (European Union) 72
- Battery Disposal 72
- VCCI Notice (Japan Only) 73
- MIC Class A Regulatory Mark 74
- Class B Device 74
- MIC Class B Regulatory Mark 74
- BSMI Notice (Taiwan Only) 75
- ENERGY STAR®Compliance 76
- Coverage During Year One 77
- General Provisions 77
- Safety Instructions 80
- Overview 82
- New User Interface 82
- Clean Desktop Wizard 83
- Taskbar Grouping 83
- Notification Area Cleanup 83
- System Restore 84
- Restore Process 85
- Driver Rollback 85
- How to Add Users 86
- Internet Connection Firewall 87
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