Replacing the battery, Replacing the computer cover, Replace the computer cover – Dell Dimension 2300 User Manual
Page 26: Close the computer cover
3.
Reconnect the DC power cables to the drives and system board.
4.
.
5.
Connect the AC power cable to the AC power connector on the back of the power supply.
6.
Connect your computer and devices to electrical outlets, and turn them on.
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.
1.
Record all the screens in the
system setup program
so that you can restore the correct settings when you perform
2.
through the Start menu.
3.
Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
4.
Disconnect any telephone or telecommunication lines from the computer.
5.
Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
6.
.
7.
Locate the battery socket
on the system board and pry the battery out of its socket with your fingers or with a plastic screwdriver.
8.
Insert the battery into the socket with the side labeled "+" facing up.
9.
.
10.
Connect your computer and devices to electrical outlets, and turn them on.
11.
Access the
system setup program
and restore the settings you recorded in
.
Replacing the Computer Cover
1.
Ensure that all cables are connected, and fold cables out of the way. Make sure cables are not routed over the drive cage—they will prevent the cover
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions provided in your Owner's Manual.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
CAUTION:
A new battery can explode if it is incorrectly installed. Replace the 3-V CR2032 battery only with the same or equivalent type
recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions (see "Battery Disposal" in your Owner's
Manual).
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE:
Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
NOTICE:
To avoid damage to the system board while you pry the battery loose, be sure to insert the plastic screwdriver between the battery and the
socket (not the system board).
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.