Owners Manual
Table Of Contents
- Dell Precision 7920 Tower Owner's Manual
- Contents
- Chassis
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Power supply unit (PSU)
- Side cover
- Air shroud
- Front bezel
- PCIe holder
- Intrusion switch
- Front system fan assembly
- Internal chassis speaker
- Hard disk drive and the Optical disk drive bezel
- Hard disk drive assembly
- NVMe Flexbay
- Front input and output bezel
- Front input and output panel
- Rear system fan
- Right side cover
- Hard disk drive and optical disk drive frame
- Slim Optical Disk Drive
- 5.25-inch optical drive
- Power distribution and fan control board
- Front HDD cable and fan assembly
- Fan bracket
- Graphical processing unit(GPU)
- Memory
- Coin cell battery
- Processor heat sink module
- System board
- RAID controller battery
- VROC module
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Installing the intrusion switch
1. Place the intrusion switch module into the slot in the front system fan assembly.
2. To secure the intrusion switch module to the front system fan chassis, replace the single screw on the module.
3. Route the intrusion switch cables through the clip on the chassis.
4. Connect the intrusion switch cable to the system board.
5. Push the bottom intrusion switch cable down toward the bottom chassis.
6. Replace the following components:
a. PCIe graphics card holder
b. air shroud
c. side cover
7. Remove the right side cover.
8. Pull the intrusion switch cable up from the top chassis.
9. Insert and slide the intrusion switch into the slot in the chassis to secure it.
10. Follow the procedure in After working inside your computer.
Removing and installing components
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