How to Safely Remove a Pen Drive Which Is Being Used As a RAM on Windows 7

Turning Off ReadyBoost

1. 
   Open the Start menu. Click the Start button.
2. 
   Click Computer in the Start menu.
3. 
   In Computer, right click the removable drive that ReadyBoost is enabled on to open the context menu.
4. 
   Click Properties in the context menu to open the Properties dialog.
5. 
   Click the ReadyBoost tab in the Properties dialog.
6. 
   Select the Do not use this device radio button.
7. 
   Click OK on the Properties dialog.