Dell Dimension 2200 - Manual (Page 20)

8. Align the notches on the bottom of the module with the crossbars in the connector.
9. Insert the module straight down into the connector, making sure that it fits into the vertical guides at each end of the connector.
Press firmly on the ends of the module until it snaps into place.
If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.
10. Rotate the power supply back into place.
11. Replace the computer cover .
12. Plug your computer and devices into their 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 in step 12 .
2. Shut down the computer .
3. Turn off any attached devices and disconnect them from their electrical outlets.
4. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
5. Remove the computer cover .
6. Rotate the power supply away from the system board.
7. Locate the battery socket BATTERY 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.
NOTICE: To avoid breaking the memory module, do not press near the middle of the module.
HINT: The system memory value reported by the operating system is 1 or 2 MB less than the memory installed because that memory is reserved for
video functions.
NOTICE: To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in " Safety Instructions ."
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 the 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.
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).