HP 7855 - Pavilion - 128 MB RAM Manuale - Pagina 20

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If you are removing the top optical drive,

remove the screws (B and C) on both

optical drives and push both drives part

way out through the front of the computer.

(This allows better access to the cables at

the back of the drive.)

8 Remove the cables on the back of the drive

you want to replace.

9 Pull the drive out through the front of the

computer.

To install a new optical drive:

Note:

Make sure the jumper on the new drive is in the

CS (Cable Select) position.

1 Slide the new optical drive through the

front of the computer. Don't slide the drive

in all the way — you need room to attach

the cables.

2 Attach the cables to the back of the

optical drive.

3 Push the drive(s) all the way in, aligning

the screw holes.

4 Attach the screws.

To reassemble the computer:

1 Replace the fan duct and side panel (see

"Closing the Computer" on page 20).

2 Reconnect the power cord and all other

cables.

3 Reconnect the modem/phone cable.

4 Turn on the computer and all peripherals.

5 Install any software drivers supplied by the

drive manufacturer.

Replacing the Battery

A lithium battery on the motherboard

provides backup power for the computer's

timekeeping capability. The battery has an

estimated life expectancy of seven years.

When the battery starts to weaken, the date

and time may be incorrect. If the battery