HP Pavilion XF315 Reference Manual page 67

Note
2. Press the PC card eject button once, so that it extends from the side of the notebook.
3. Press the eject button again to eject the PC card, and pull the card out of the notebook.
To reestablish network connection after resume
When using a network PC card, you may lose a network connection after resuming from
standby or hibernation. If this happens, restart the card by removing and reinserting it.
Finding tested PC Cards
For a list of PC cards that have been tested and approved for use with your notebook, visit
the Accessories section of the HP Notebook web site (www.hp.com/notebooks).
In some circumstances, your notebook's advanced power-saving features can cause file
transfers through a PC card to appear to respond more slowly when the notebook is
running on battery power. To avoid such problems, connect the notebook's AC adapter
whenever you plan to transfer files through a PC card.
Add-On Devices
Connecting PC Cards
Reference Guide 67