Installing SD card reader
1 Place the SD card in the slot on the system board.
2 Tighten the 6 screw to secure the SD card reader to the front panel door.
3 Install the:
a M.2 PCIe SSD
b optical drive
c cooling shroud
d 2.5 inch hard drive assembly
e front bezel
f cover
4 Follow the procedure in After working inside your computer.
Power supply unit
Removing power supply unit — PSU
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a cover
b front bezel
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Disassembly and reassembly