1. Define your UMAX USB device model.
2. Define your operating system to install your UMAX USB device. Note:
Update Drivers in Win Vista
3. Browse USB Drivers.
4. Find UMAX USB Drivers.
5. Select UMAX Astra 1220U.
6. Download UMAX Astra 1220U. Note: you can update all Drivers automatically with
RadarSync (Freeware) or
Driver Detective (Shareware).
7. Install UMAX Astra 1220U.
8. Restart or reboot your computer to finish your driver installation. Note: you can
backup your computer drivers before updating.
