Dell OptiPlex GX400 User Manual Page 48
- Page / 88
- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
9. Remove all expansion cards except the video card.
10. Replace the computer cover, reconnect the computer and peripherals to their electrical outlets, and turn them on.
11. Run the RAM test group in the Dell Diagnostics.
Did any of the diagnostics tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 12.
12. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then remove the computer cover.
13. Reinstall one of the expansion cards that you removed previously, and repeat step 10 and step 11.
Did any of the diagnostics tests fail?
Yes. The expansion card you just reinstalled is faulty and needs to be replaced.
No. Repeat step 12 and step 13 with another expansion card. Go to step 13.
14. If you have replaced all the expansion cards and the problem is not resolved, contact Dell for technical assistance.
Recover From a Program That Is Not Responding
1. Press <Ctrl><Alt><Delete>.
Did the Close Program window appear?
Yes. Go to step 2.
No. Skip to step 4.
2. Click the program that no longer responds.
3. Click End Task.
Is the computer operating properly?
Yes. The problem is resolved.
No. Go to step 4.
4. Press the reset button to reboot the computer.
Restart a Computer That Is Not Responding
1. Press the reset button to reboot the system.
Did the computer reboot?
Yes. Skip to step 4.
No. Go to step 2.
2. Press and hold the power button until the computer turns off.
Did the computer reboot?
Yes. Skip to step 4.
No. Go to step 3.
3. Unplug the AC power cable from the computer, wait approximately 30 seconds, and plug in the AC power cable.
4. Press the power button to turn on the computer.
Repairing a Wet Computer
Spills, splashes, and excessive humidity can cause damage to the system. If an external device, such as a printer or modem, gets wet, contact the
manufacturer of the device for instructions.
Fill out the Diagnostics Checklist as you perform the following steps:
NOTE: If your primary hard drive is connected to a drive controller card and not one of the system board enhanced integrated drive electronics
(EIDE) connectors, leave the drive controller card installed in the computer.
NOTICE: If your computer is not responding, turning off power or unplugging the power cord should be done only as a last resort. Doing so can cause
problems with system settings and configuration.
CAUTION: Before you perform this procedure, see "Safety First— For You and Your 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
Related products and manuals for Computers Dell OptiPlex GX400
Computers Dell Dimension 5150/E510 User Manual
(142 pages)
(142 pages)
(2 pages)
Computers Dell XPS 420 (Late 2007) User Manual
(226 pages)
(226 pages)
Computers Dell OptiPlex GX260 User Manual
(100 pages)
(100 pages)
Computers Dell Precision 450 User Manual
(158 pages)
(158 pages)
Computers Dell Precision 650 User Manual
(155 pages)
(155 pages)
(2 pages)
Computers Dell Precision 350 User Manual
(40 pages)
(40 pages)
© 2020, manymanuals.com. All rights reserved. | 0.542 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comments to this Manuals