HP RP7 Hardware Reference Guide HP RP7 Retail System Model 7800 - Page 28

Installing an Optional HP Retail RP7 10.4” Customer Display

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10. Replace the rear I/O cover by placing the hooks on the bottom of the cover into the slots on the bottom of the chassis (1). Then rotate the top of the I/O cover up so that it snaps securely onto the chassis (2). 11. Reconnect the power cord and press the power button. Installing an Optional HP Retail RP7 10.4" Customer Display 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. 22 Chapter 2 Hardware Upgrades

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10.
Replace the rear I/O cover by placing the hooks on the bottom of the cover into the slots on the
bottom of the chassis (1). Then rotate the top of the I/O cover up so that it snaps securely onto
the chassis (2).
11.
Reconnect the power cord and press the power button.
Installing an Optional HP Retail RP7 10.4” Customer
Display
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.
22
Chapter 2
Hardware Upgrades