HP NF758LA Point of Sale User's Guide download pdf (Page 49)

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.

5. If the computer is on a stand, remove the computer from the stand.

6. Remove the computer cover.

7. Remove the USB PlusPower Expansion Card.

a. Press the latch release on the front of the power supply (1), and then raise the power supply

to the upright position (2)

Figure B-3 Releasing and Rotating the Power Supply

b. Locate the USB PlusPower Expansion Card in the lower socket of the PC riser. Disconnect

the power and system board cables attached to the expansion card.

c. Hold the expansion card at each end, and carefully rock it back and forth until the connectors

pull free from the socket. Pull the expansion card toward the left side of the chassis straight

out of the riser. Be sure not to scrape the card against the other components.

Figure B-4 Removing the USB PlusPower Expansion Card

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HP NF758LA Point of Sale User's Guide Page 49