HP ap5000 All-in-One Point of Sale System User Manual download pdf (Page 62)

Removing and Replacing the Power Supply

1. Turn off the computer properly through the operating system, then turn off any external devices.

2. Disconnect the power cord from the power outlet.

CAUTION: Regardless of the power-on state, voltage is always present on the system board

as long as the system is plugged into an active AC outlet. You must disconnect the power cord

to avoid damage to the internal components of the computer.

3. Tilt the touch screen all the way back to its horizontal position and lay the unit face down on a

soft, clean, dry cloth to avoid scratching the touch screen.

4. Remove the bottom I/O cover (see

Removing the Bottom I/O Cover on page 42).

5. Unplug the power cord from the connector on the I/O panel.

6. Loosen the thumbscrew that secures the power supply bracket to the bottom of the unit (1), then

slide the bracket to the side and lift the bracket off the unit (2).

NOTE: The power supply bracket screw is captive, therefore it does not disengage from the

bracket when loosened.

Figure 7-19 Removing the Power Supply Bracket

54 Chapter 7 Removal and Replacement Procedures

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HP ap5000 All-in-One Point of Sale System User Manual Page 62