2.4Removing the power supply unit

You must remove the power supply unit (PSU) before you can install a central processing unit( CPU) and other system components.

To remove the PSU:

1.Lay the system on its side on a flat, stable surface.

2.Disconnect the optical drive and floppy disk drive power plugs.

3.Remove the screw that secures the PSU to the chassis.

4.Slide the PSU as the zoomed image shows, until the side hook is disengaged from the chassis.

5.Push the PSU towards the front panel for about half an inch.

6.Slightly lift the PSU.

7.Disconnect the power plugs on the motherboard, then set the PSU aside.

When removing the PSU, make sure to hold or support it firmly. The unit may accidentally drop and damage other system components.

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Chapter 2: Basic installation