1, on the inserted U disk letter Select the right button "properties."
2, select the "ReadyBoost" option in the attribute, choose whether the device is dedicated to ReadyBoost or "use the device" according to your own needs. If you choose to use this device, you need to set the size of the space below and click "Apply".
3, the application can be in the U disk to see a file called ReadyBoost, occupy space for the previous set size.
4, if you need to cancel the function, in the "ReadyBoost" option to choose "Do not use this device", space can be released.