Dell Dimension 4700C Manuale di servizio - Pagina 25
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Battery
Replacing the Battery
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE:
To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.
If you have to repeatedly reset time and date information after turning on the computer, replace the battery.
CAUTION:
A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the
manufacturer. Discard used batteries according to the manufacturer's instructions.
NOTE:
For information regarding the type of coin-cell battery, see the power specifications.
To replace the coin-cell battery:
1. Record all the screens in system setup so that you can restore the correct settings in step 8.
2. Follow the procedures in
"Before You
3. Locate the battery socket on the
NOTICE:
If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is
inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off
the socket or by breaking circuit traces on the system board.
4. Remove the system battery:
a. Support the battery connector by pressing down firmly on the positive side of the connector.
b. While supporting the battery connector, press the battery toward the positive side of the connector and pry it up out of the securing tabs at the
negative side of the connector.
NOTICE:
To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery.
5. Install the new system battery:
a. Support the battery connector by pressing down firmly on the positive side of the connector.
b. Hold the battery with the "+" facing up, and slide it under the securing tabs at the positive side of the connector.
c. Press the battery straight down into the connector until it snaps into place.
6.
Close the computer
cover.
NOTICE:
To connect a network cable, first plug the cable into the network device and then plug it into the computer.
7. Connect your computer and devices to electrical outlets, and turn them on.
8.
Enter system setup
and restore the settings you recorded in step 1.
9. Properly dispose of the old battery. See the Product Information Guide for battery disposal information.
Begin."
system
board.