Removing a pc card or blank, To remove the blank, see – Dell Latitude X300 User Manual
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The computer recognizes most PC Cards and automatically loads the appropriate device driver. If the configuration program tells you to load the
manufacturer's drivers, use the floppy disk or CD that came with the PC Card.
Removing a PC Card or Blank
Press the latch and gently remove the card or blank. For some latches, you must press the latch twice: once to pop the latch out, and then a second time to
pop the card out.
Save a blank to use when no PC Card is installed in a slot. Blanks protect unused slots from dust and other particles.
NOTICE:
Use the PC Card configuration utility
on the taskbar to select a card and stop it from functioning before you remove it from the computer.
If you do not stop the card in the configuration utility, you could lose data. Do not attempt to eject a card by pulling its cable, if one is attached.