Battery, Replacing the power supply, Replacing the battery – Dell Dimension 3100C User Manual
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Replacing the Power Supply
1.
Slide the power supply into place.
2.
Replace the screws that secure the power supply to the back of the computer frame.
3.
Reconnect the DC power cables.
4.
Connect the AC power cable to the connector.
5.
Run the cables underneath the clips, and press the clips to close them over the cables.
6.
Replace the
computer cover
.
7.
Connect your computer and devices to electrical outlets, and turn them on.
Battery
Replacing the Battery
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.
To replace the battery:
1.
Record all the screens in
system setup
so that you can restore the correct settings in
2.
Follow the procedures in "
Before You Begin
."
3.
Locate the
battery socket
.
4.
Remove the battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object such as a plastic screwdriver.
5.
Insert the new battery into the socket with the side labeled "+" facing up, and snap the battery into place.
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
COM
Black
3
+5 VDC
Red
4
GND
Black
5
+12 VDC
Yellow
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug the cable into the computer.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located 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.
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.
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.