Memory Stick, Smart Media and Compact Flash media may not appear if the USB Mass Storage Device in the Device Manager has been disabled.
- Click the Start button, and then click Control Panel.
- In the Control Panel window, under Pick a category, double-click the Performance and Maintenance icon.
- In the Performance and Maintenance window, under or pick a Control Panel icon, double-click the System icon.
- In the System Properties window, click the Hardware tab.
- On the Hardware tab, in the Device Manager box, click the Device Manager button.
- In the Device Manger window, double click the Universal Serial Bus controllers icon.
- Under the Universal Serial Bus controllers icon, click to select the USB Mass Storage Device icon.
- On the menu bar, click Action.
- On the Action menu, click Enable.
NOTE: If the Enable option is not available, select Uninstall , confirm removal, and restart the computer.