Dell OptiPlex GX400 User Manual Page 45
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assistance.
l When you turn on the computer, you can hear drive activity during the boot routine. If your computer does not boot, contact Dell for technical
assistance.
l If you are trying to copy data to the diskette, ensure that it is not write- protected.
l Try a different diskette in the drive. If the new diskette works, the original one may be defective.
l Test the diskette drive access indicator by using one of the following methods:
¡ Using MS-DOS®, insert a diskette into the drive, type dir a: at the prompt, and press <Enter>.
¡ Using Microsoft Windows or Windows NT®, insert a diskette into the drive, open My Computer from the desktop, and double-click the diskette
drive icon.
l Check the settings in system setup.
l Clean the drive using a commercially available cleaning kit.
If the problem still exists after you complete the basic checks, fill out the Diagnostics Checklist as you perform the following steps.
1. Run the Diskette device group in the Dell Diagnostics.
Did any of the tests fail?
Yes. Contact Dell for technical assistance.
No. Go to step 2.
2. Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then remove the computer cover.
3. Remove and reinstall the diskette drive.
4. Replace the computer cover, reconnect the computer and peripherals to their electrical outlets, and turn them on.
Does the diskette-drive access light blink during the boot routine?
Yes. Go to the next question.
No. Contact Dell for technical assistance.
Does the computer display a drive error message?
Yes. See "System Messages" for an explanation of the message, and then go to step 5.
No. The problem is resolved.
5. Insert a bootable diskette into the diskette drive and reboot the computer.
Does the drive boot the operating system?
Yes. The problem is probably resolved. If you continue to experience trouble, contact Dell for technical assistance.
No. Contact Dell for technical assistance.
Hard Drive Problems
Basic Checks:
l If you hear an unfamiliar scraping or grinding sound when a drive is accessed, there could be a hardware malfunction. Contact Dell for technical
assistance.
l When you turn on the computer, you can hear drive activity during the boot routine. If your computer does not boot, contact Dell for technical
assistance.
l Test the hard drive by using one of the following methods:
¡ For Windows XP and Windows 2000, run the chkdsk utility by clicking the Start button, selecting Run, and then typing cmd in the dialog box. At the
C: prompt, type chkdsk and press <Enter>.
This utility creates and displays a status report, and lists and corrects errors on the disk.
¡ For Windows NT, run the error-checking utility by double-clicking My Computer and selecting the hard drive that you want to check. Click the right
mouse button, select Properties, then click Tools, and select Check Now in the Error Checking section.
¡ For Windows 98 SE and Windows 98, run the ScanDisk utility by clicking the Start button, pointing to Run, typing scandskw in the dialog box,
selecting the type of test to run, and then clicking Start.
¡ For MS-DOS, type scandisk x: at an MS-DOS prompt, where x is the hard drive letter, and press <Enter>.
If the problem still exists after you complete the basic checks, fill out the Diagnostic Checklist as you perform the following steps:
NOTICE: Do not attempt to clean drive heads with a swab. You may accidentally misalign the heads, rendering the drive inoperable.
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
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