Dell OPTIPLEX 990 Service Manual Page 49
- Page / 99
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- Инструкция для 1
- Dell OptiPlex 990 1
- Regulatory Model D09M 2
- Regulatory Type D09M001 2
- Notes, Cautions, and Warnings 3
- Contents 4
- Working on Your Computer 8
- Recommended Tools 9
- Turning Off Your Computer 10
- Removing the Cover 12
- Installing the Cover 13
- Front Bezel 14
- Installing The Front Bezel 15
- Expansion Card Tab 16
- Installing The Expansion Card 18
- Optical Drive 20
- Installing The Optical Drive 21
- Hard Drive 22
- Installing The Hard Drive 23
- Removing the Memory 24
- Installing the Memory 25
- Chassis Intrusion Switch 26
- Removing The Speaker 28
- Installing the Speaker 29
- Heat Sink 30
- 7. Lift the processor cover 31
- Coin-Cell Battery 34
- Power-Switch Cable 36
- Front Thermal Sensor 40
- Chassis Fan 42
- Installing the System Fan 43
- Input/Output Panel 44
- Power Supply 48
- Installing the Power Supply 50
- System Board 52
- Installing the System Board 53
- System Setup 54
- Timing Key Sequences 55
- Navigation 56
- System Setup Options 56
- Troubleshooting 68
- Beep Codes 75
- Error Messages 78
- Write fault on selected drive 86
- Specifications 88
- Contacting Dell 98
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