Dell OptiPlex 990 (Early 2011) User Manual
Dell optiplex 990 mini-tower service manual
Table of contents
Document Outline
- Contents
- Notes, Cautions, and Warnings
- Working on Your Computer
- Cover
- Front Bezel
- Expansion Card Tab
- Optical Drive
- Hard Drive
- Memory
- Chassis Intrusion Switch
- Speaker
- Heat Sink
- Coin-Cell Battery
- Power-Switch Cable
- Front Thermal Sensor
- Chassis Fan
- Input/Output Panel
- Power Supply
- System Board
- System Setup
- Troubleshooting
- Specifications
- Contacting Dell