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 front system fan assembly
1. Hold the system fan by the sides with the cable end facing the bottom of the chassis.
2. Replace the two screws securing the system fan assembly in front of the system.
3. Replace the two screws securing the system fan assembly in the system.
4. Connect the four system fan cables to the system board.
5. Route back the internal chassis speaker cable through the clip on the system fan assembly, and connect the internal chassis
speaker to the connector.
6. Replace the intrusion switch module to the slot on the fan assembly and insert the screw to secure it with the system fan
assembly.
7. Install the following components:
a. PCIe graphics card holder
b. air shroud
c. front bezel
d. side cover
8. Follow the procedure in After working inside your computer.
Internal chassis speaker
Removing the internal chassis speaker
1. Follow the procedure in Before working inside your computer.
2. Remove the following:
Removing and installing components
31