- Notes, cautions, and warnings
- 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 assembly
- 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)
- Center System fan/HDD fan
- 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
Dell Precision 7920 Tower Owner's Manual
Installing the power distribution and fan control board
- Replace the control board into its slot on the chassis and secure it with the three screws to the chassis.
-
Connect the two power cables, fan cables, PDB, power VGA cables, to the connectors on the control board.
CAUTION:A loosely connected Power Cable (POWER_CBL) to the system board and the Power Control Cable (POWER_CTRL) to the PDB may result in a No POST scenario with Diagnostics LED blinking in pattern 1,2.
- Install the:
- Follow the procedure in After working inside your computer
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