How To Install Power Supply In Desktop. Installing your Power Supply Step 3. A power supply unit PSU converts main AC power to low-voltage DC power for the internal components of a computer.
Installing a power supply is a surprisingly easy process. Reconnect the internal wiring from the output of the power supply unit to the hardware components inside your computer case. Mount the new power supply unit into the computer case by using the case mounting screws.
Power Supply Wires and What they go to.
Plug in the power supply AC cord and turn the switch on the power supply to the ON position. Find a power supply for your computer. With several different types of Power. Mount the new power supply unit into the computer case by using the case mounting screws.
