- Notes, cautions, and warnings
- Before working inside your computer
- After working inside your computer
- Technical overview
- Removing the USB dongle-bay cover
- Replacing the USB dongle-bay cover
- Removing the back cover
- Replacing the back cover
- Removing the memory modules
- Replacing the memory modules
- Removing the hard drive
- Replacing the hard drive
- Removing the system-board shield
- Replacing the system-board shield
- Removing the memory fan
- Replacing the memory fan
- Removing the processor heat-sink
- Replacing the processor heat-sink
- Removing the processor
- Replacing the processor
- Removing the coin-cell battery
- Replacing the coin-cell battery
- Removing the solid-state drive
- Replacing the solid-state drive
- Removing the wireless card
- Replacing the wireless card
- Removing the stand
- Replacing the stand
- Removing the chassis fan
- Replacing the chassis fan
- Removing the power-supply unit
- Replacing the power-supply unit
- Removing the inner frame
- Replacing the inner frame
- Removing the display built-in self test button board
- Replacing the display built-in self test button board
- Removing the microphones
- Replacing the microphones
- Removing the I/O panel
- Replacing the I/O panel
- Removing the USB-dongle port
- Replacing the USB-dongle port
- Removing the diagnostic light and button board
- Replacing the diagnostic light and button board
- Removing the hard-drive cage
- Replacing the hard-drive cage
- Removing the converter board
- Replacing the converter board
- Removing the speakers
- Replacing the speakers
- Removing the power-button board
- Replacing the power-button board
- Removing the media-card reader
- Replacing the media-card reader
- Removing the camera
- Replacing the camera
- Removing the system board
- Replacing the system board
- Removing the display assembly
- Replacing the display assembly
- Removing the middle frame
- Replacing the middle frame
- Removing the speaker bezel
- Replacing the speaker bezel
- Removing the display panel
- Replacing the display panel
- BIOS setup program
- Flashing the BIOS
- System diagnostic lights
- Getting help and contacting Dell
XPS 27 Service Manual
Procedure
- Align the screw holes on the power-supply unit with the screw holes on the middle cover.
- Replace the five screws (M3X4) that secure the power-supply unit to the middle cover.
- Route the cables through the guide and close the clip to secure the cables.
- Connect the power-supply indicator cable and power-supply fan cable to their respective connectors.
- Route the power-supply unit cable through the routing guides on chassis fan.
- Connect the power-supply unit cable to its connector on the system board.
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