HP Compaq NX9000 Reference Manual page 58

Removing a PC Card
CAUTION
Before removing a PC Card, you must use the Eject Hardware or Safely
Remove Hardware icon in the taskbar, or shut down the notebook. Otherwise,
you could lose data.
1. Before removing the card, select the Eject Hardware or Safely Remove Hardware
2. Press the eject button to pop the button out, then press it in to eject the PC Card.
icon in the taskbar, then select the card you want to remove. This protects your
data and helps avoid unexpected problems.
If needed, you can restart the card by removing and then reinserting it.
Add-On Devices
Connecting PC Cards
Reference Guide 49