Dell OptiPlex 990 - Page 41

Dell OptiPlex 990

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16. Remove the system board from the chassis.

41

Table of Contents

Notes, Cautions, and Warnings2
- Table of Contents3
1 Working on Your Computer7
- Before Working Inside Your Computer7
- Recommended Tools8
- Turning off Your Computer8
- After Working Inside Your Computer9
2 Cover11
- Removing the Cover11
- Installing the Cover12
3 Front Bezel13
- Removing the Front Bezel13
- Installing the Front Bezel14
4 Optical Drive15
- Removing the Optical Drive15
- Installing the Optical Drive16
5 Hard Drive17
- Removing the Hard Drive17
- Installing the Hard Drive18
6 Memory19
- Removing the Memory19
- Installing the Memory20
7 Chassis Intrusion Switch21
- Removing the Chassis Intrusion Switch21
- Installing the Chassis Intrusion Switch22
8 Speaker23
- Removing the Internal Speaker23
- Installing the Internal Speaker24
9 Heat Sink25
- Removing the Heat Sink25
- Installing the Heat Sink27
10 Processor29
- Removing the Processor29
- Installing the Processor30
11 Coin-Cell Battery31
- Removing the Coin-Cell Battery31
- Installing the Coin-Cell Battery32
12 Chassis Fan33
- Removing the System Fan33
- Installing the System Fan34
13 Input/Output Panel35
- Removing the Input/Output Board35
- Installing the Input/Output Board36
14 Power Supply37
- Removing the Power Supply37
- Installing the Power Supply38
15 System Board39
- Removing the System Board39
- Installing the System Board42
16 Drive Cage43
- Removing the Drive Cage43
- Installing the Drive Cage44
17 Wireless Module45
- Removing the Wireless Module45
- Installing the Wireless Module46
18 Control Panel47
- Removing the Control Panel47
- Installing the Control Panel48
19 Internal Antenna49
- Removing the Internal Antenna49
- Installing the Internal Antenna50
20 System Setup51
- Boot Menu51
- Boot Menu Enhancements51
- Timing Key Sequences52
- Beep Codes and Text Error Messages53
- Navigation53
- System Setup Options53
21 Troubleshooting65
- Diagnostic Leds65
- Beep Codes72
- Error Messages75
22 Specifications83
- Technical Specifications83
- Contacting Dell93

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