You cannot use SD memory cards if Disabled is selected for the SD memory card slot in the BIOS setup screen.

In such a case, change the BIOS setting. See Restricting the Use of Built-in Devices (SVP112/SVP132) for more information.

You cannot use SD memory cards if you disable the power supply to the slot on the VAIO Power Management tab in the Power Options window. For how to open the Power Options window, refer to Windows Help and Support.