When uninstalling the driver, perform following operation.
IMPORTANT
If the driver is uninstalled without following the procedure given below, there is a possibility that it might not be able
to be re-installed.
Windows 10
Procedure
1. Before you start uninstallation of the driver, unplug the USB cables from your computer.
2. Log on to Windows as “Administrator” right.
3. Right-click the Start menu, and then click [Apps and Features].
4. Click the driver for the machine to delete to select it, then Click [Uninstall].
5. A message prompting you to confirm deletion appears. Click [Yes].
Windows 8.1
Procedure
1. Turn the machine off, and disconnect the cable that is connecting the PC and the machine.
2. Start Windows.
3. Click [Desk top].
4. Move the mouse to the lower right corner to display Charm and click [Settings].
5. On the task bar, click [Control Panel] , and then [Programs and Features].
6. Select the machine's driver that you want to uninstall, and then click [Uninstall].
7. When a message prompting you to confirm that you want to uninstall the driver appears, click [Yes].
Uninstalling the Driver
Driver Problems 99