This is an instruction about how to upgrade the old AB300 driver based on the EZUSB.sys to the new one based on the CyUSB3.sys for our AB300 series filter wheels..
If you haven't installed the AB300 software, please install the software first.
AB300 software - Software - Spectral Products
Please follow the procedure below for the driver upgrade.
1. Connect your unit to your computer and open the device manager.
2. Browse the "Universal Serial Bus controllers" in the device manager and find the driver for the unit (usually, "AB300 v1,1, SPECTRAL...").
3. Click your mouse's right button on it and click the "Uninstall Device".
4. On the pop-up window (ref., the picture above), check "Delete the driver software for this device" and click the "Uninstall" button.
5. Unplug the unit, download the link below, unzip it, run the "DriverInstall.bat" file in the "\Driver" folder as an administrator, and complete the installation process.
www.spectralproducts.com/Software/AB300_for_CyUSB.zip
Universal Serial Bus controllers", click your mouse's right button, select the properties, click the "Driver" tab on the pop-up window, click the "Driver Detail" button, and check if the unit was properly recognized as "AB300b2c_X64.sys".