- Notes, cautions, and warnings
- About this document
- System overview
- Initial system setup and configuration
- Minimum to POST and system management configuration validation
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Optional front bezel
- System cover
- Drive backplane cover
- Air shroud
- Removing the air shroud
- Installing the air shroud
- Removing the GPU air shroud
- Installing the GPU air shroud
- Removing the GPU air shroud top cover
- Installing the GPU air shroud top cover
- Removing the GPU air shroud filler
- Installing the GPU air shroud filler
- Removing the rear drive module air shroud
- Installing the rear drive module air shroud
- Cooling fans
- Side wall brackets
- Drives
- Rear drive module
- Drive backplane
- Cable routing
- PERC module
- System memory
- Processor and heat sink module
- Expansion cards and expansion card risers
- Expansion card installation guidelines
- Removing the expansion card risers
- Installing the expansion card risers
- Removing expansion card from the expansion card riser
- Installing an expansion card into the expansion card riser
- Removing the full length expansion card risers
- Installing the full length expansion card risers
- Removing a GPU
- Installing a GPU
- Removing R1 and R3 paddle cards
- Installing R1 and R3 paddle cards
- M.2 SSD module
- Optional serial COM port
- Optional VGA port for liquid cooling module
- Optional IDSDM module
- MicroSD card
- Optional BOSS S2 module
- System battery
- Optional internal USB card
- Intrusion switch module
- Optional OCP card
- Power supply unit
- Trusted Platform Module
- System board
- LOM card and rear I/O board
- Control panel
- Upgrade Kits
- Jumpers and connectors
- System diagnostics and indicator codes
- Getting help
- Documentation resources
Dell PowerEdge R750 Installation and Service Manual
Removing a power supply unit
Prerequisites
CAUTION:The
system requires one power supply unit (PSU) for normal operation. On power-redundant
systems, remove and replace only one PSU at a time in a
system that is powered on.
- Follow the safety guidelines listed in the Safety instructions.
- Disconnect the power cable from the power outlet and from the PSU you intend to remove.
- Remove the cable from the strap on the PSU handle.
- Unlatch and lift or remove the optional cable management accessory if it interferes with the PSU removal.
NOTE:For information about the cable management when the PSU is removed or installed while the system is in a rack, see the system’s cable management arm documentation at PowerEdge Manuals.
Steps
Press the release latch and holding the PSU handle, slide the PSU out of the bay.
Figure 1. Removing a power supply unit 
Next steps
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