HP Compaq Presario,Presario 7479 Supplementary Manual page 36

13. Firmly press the new card into the slot on the system board, using a slight
rocking motion.
Inserting an Expansion Card
+ + + +
NOTE: The view shown may differ slightly from your Internet PC.
14. Replace the expansion card retention bracket to secure the new card in place.
15. Replace the cover.
If you installed a PCI card, the next time you turn on the computer, Microsoft
Windows will automatically detect the new card. If you installed an ISA card, follow
the manufacturer's instructions to complete the installation.
Upgrading Your Internet PC 4-13