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 PCIe card holder
1. Align the PCIe card holder to the slot in front of the system fan assembly, and press down until it clicks in place.
2. Route the dual cables back through the clip on the PCIe card holder.
3. Connect the power cables on either side to the cable slots in the PCIe card holder.
4. Reinstall the full length cards if they were removed.
5. If the MegaRAID 9460 was removed, please connect the Super CAP back to the card.
6. Install the:
a. air shroud
b. side cover
7. Follow the procedure in After working inside your computer.
Intrusion switch
Removing the intrusion switch
1. Follow procedure in Before working inside your computer.
2. Remove the right side cover.
3. To remove the intrusion switch that is located at the bottom of the system board:
NOTE: The system will not power on when the intrusion switch is uninstalled.
a. Press the knob of the intrusion switch toward the bottom of the chassis [1, 2].
b. Pull the intrusion switch down to remove it from the slot [3].
Removing and installing components
25