- Notes, cautions, and warnings
- About your system
- Initial system configuration
- Configuring enclosure components
- Installing enclosure components
- Recommended tools
- Front bezel (optional)
- System feet—tower mode
- Wheel assembly (optional)—tower mode
- System cover
- Inside the system
- Hard drives
- Removing a 2.5 inch hard drive blank
- Installing A 2.5 Inch Hard-Drive Blank
- Removing a 3.5 inch hard drive blank
- Installing a 3.5-inch hard drive blank
- Removing a hot-swap hard drive
- Installing a hot-swap hard drive
- Removing a hard drive from a hard drive carrier
- Installing a hard drive or solid state drives into a hard drive carrier
- Server modules
- Server module partitions
- Power supply units
- Cooling shroud
- Cooling fans
- Cooling fan assembly
- Blower modules
- I/O module
- Optical drive (optional)
- CMC cards
- PCIe cage
- Expansion cards
- Expansion card installation guidelines
- Expansion card operational power status
- PCIe slot indicators
- Removing a low profile expansion card
- Installing a low profile expansion card
- Removing the low profile expansion card divider unit
- Installing the low profile expansion card divider unit
- Removing a full height expansion card
- Installing a full height expansion card
- Removing the full-height expansion card divider unit
- Installing the full height expansion card divider unit
- Removing the expansion card riser
- Installing the expansion card riser
- Double-wide GPGPU card (optional)
- Integrated storage controller cards
- Shared PERC 8 External card
- System battery
- System top and base covers
- Mounting ears
- Control panel assembly
- Backplane expander boards
- Hard drive backplane
- Power distribution board
- System board
- Power pass-through board
- Midplane
- Converting the system from tower mode to rack mode
- Troubleshooting your system
- Responding to a systems management alert message
- Troubleshooting external connections
- Troubleshooting a damaged enclosure
- Troubleshooting enclosure components
- Troubleshooting a wet enclosure
- Troubleshooting power supply units
- Troubleshooting power supply unit mismatch
- Troubleshooting blower modules
- Troubleshooting the system battery
- Troubleshooting cooling problems
- Troubleshooting cooling fans
- Troubleshooting an optical drive
- Troubleshooting a storage controller
- Troubleshooting hard drives
- Troubleshooting expansion cards
- Troubleshooting the I/O module
- System board connectors
- Technical specifications
- Enclosure dimensions and weight — Tower
- Enclosure dimensions and weight — Rack
- Server module specifications
- Expansion bus specifications
- Power specifications
- Drive specifications
- Chassis Management Controller specifications
- Enclosure control panel specifications
- I/O Module specifications
- Environmental specifications
- Expanded operating temperature
- Getting help
Dell PowerEdge VRTX Enclosure Owner's Manual
Power supply unit blanks
If the enclosure is operated with less than four power supply units (PSUs), PSU blanks must be installed in the unoccupied PSU bays to maintain proper cooling airflow in the enclosure.
About this task
To remove the PSU blank in the bay, pull outward on the blank.Figure 1. Removing and
installing a PSU blank 
- PSU blank
Align the PSU blank with the PSU bay, and insert it into the chassis until it clicks into place.
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