Installing Memory - Dell Dimension C521 Service Manual

NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that
you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.
Otherwise, your computer may not start properly.

Installing Memory

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.
1. Follow the procedures in Before You
2. Press out the securing clip at each end of the memory module connector.
1 memory connector closer to edge of board
3. Align the notch on the bottom of the module with the crossbar in the connector.
1 cutouts (2) 2
4 crossbar
NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the
module.
4. Insert the module into the connector until the module snaps into position.
If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.
5. Replace the computer cover. See
NOTICE: To connect a network cable, first plug the cable into the network port or device, and then plug it into the computer.
6. Connect your computer and devices to electrical outlets, and then turn them on.
Begin.
2 securing clips (2)
memory module
Replacing the Computer Cover.
3 connector
3 notch