HP Pavilion DV4-2160 User Manual page 131

2. Insert the card into the ExpressCard slot, and then push in on the card until it is firmly seated.
You will hear a sound when the device has been detected, and a menu of options may be displayed.
NOTE: The first time you insert an ExpressCard, the "Installing device driver software" message
is displayed in the notification area, at the far right of the taskbar.
NOTE: An inserted ExpressCard uses power even when idle. To conserve power, stop or remove an
ExpressCard when it is not in use.
Using ExpressCards 119