5Loosen the screw on the card you are replacing. Hold the card at the top and carefully pull the card straight out of the
Installing an Add-in Card
1Align the edge of the
2Attach the screw to secure the card.
3Connect any external or internal cables attached to the card.
4Complete the procedures to replace the side panel and close the PC. See “Opening and Closing the PC” on page 1.
NOTE: If the new card or device isn’t working, read through the card manufacturer’s installation instructions, and recheck all connections, including those to the card, power supply, keyboard, and monitor.
Replacing the Battery
A lithium battery on the motherboard provides backup power for the PC’s timekeeping capability.
When the battery starts to weaken, the date and time may be incorrect. If the battery fails, replace it with a CR2032 lithium battery (3 volt, 220mAH rating) or an equivalent battery.
WARNING: There is danger of explosion if the battery is incorrectly replaced. Replace only with the same, or equivalent, type of battery. Discard used batteries according to the manufacturer’s instructions.
1Complete the procedures to prepare the PC and to remove the side panel. See “Opening and Closing the PC” on page 1.
2Gently lay the PC on its side.
3Remove any cabling, if necessary, to reach the battery.
4Remove any memory modules, if necessary, to reach the battery. See “Adding Memory” on page 8.
5Press the latch away from the battery and lift the battery from the socket to release the battery.
6Install the new CR2032 battery in the socket, with the positive (+) side facing the latch.
7Replace memory modules or cables you removed.
8Set the chassis upright.
9Complete the procedures to replace the side panel, and to close the PC. See “Opening and Closing the PC” on page 1.
Upgrading and Servicing Guide 11
