HP Pavilion a6720 Specifications download pdf (Page 7)

Upgrading and Servicing the PC

3

Warning:

Always disconnect the modem

cord from the telephone system, and then

disconnect the PC from the power source

before removing the front and side panels

of the PC. Failure to do so before you

open the PC or do any procedures can

result in personal injury or equipment

damage.

Before Opening the PC

To avoid injury and equipment damage, always

follow this procedure in this order before opening

the PC.

1 Remove any media from the drives.

2 Turn off the PC and all peripherals.

3 Disconnect the modem/telephone cable.

4 Disconnect the power cord and all other

attached cables (such as the keyboard,

mouse, and monitor).

Warning:

Please read “Safety

Information” in the beginning of this

document before installing and connectin

g

your system to the electrical power

system.

After Closing the PC

To avoid injury and equipment damage, always

follow this procedure in this order after closing

the PC.

1 Reconnect the power cord and all other

attached cables (such as the keyboard, mouse,

and monitor).

2 Reconnect the modem/telephone cable.

3 Turn on the PC and all peripherals.

4 If you installed an add-in card, install any

software drivers supplied by the card

manufacturer.

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