Dell Dimension C521 - Manual (Page 11)

7. When a message appears stating that memory size has changed, press <F1> to continue.
8. Log on to your computer.
9. Right-click the My Computer icon, then click Properties.
10. Click the General tab.
11. To verify that the memory is installed correctly, check the amount of memory (RAM) listed.
Removing Memory
1. Follow the procedures in Before You Begin .
2. Press out the securing clip at each end of the memory module connector.
3. Grasp the module and pull up.
If the module is difficult to remove, gently ease the module back and forth to remove it from the connector.
4. Replace the computer cover. See Replacing the Computer Cover .
5. Connect your computer and devices to electrical outlets, and then turn them on.
Cards
Your Dell™ computer provides the following slots for PCI and PCI Express cards:
l One low-profile PCI card slot
l One low-profile PCI Express x1 and x16 card slot
If you are installing or replacing an expansion card, follow the procedures in the next section. If you are removing and not replacing an expansion card, see
Removing an Expansion Card .
If you are replacing a card with a different type of card, remove the current driver for the card from the operating system.
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.
NOTICE: To connect a network cable, first plug the cable into the network port or device, and then plug it 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.
1 PCI Express x1 card 2 PCI Express x16 card 3 PCI
4 PCI Express x1 card slot 5 PCI Express x16 card slot 6 PCI card slot