Do not plug in the USB/Serial cable until the driver software prompts you.

By following the steps above, you can extend the life of your plotter and continue producing professional-grade signs and decals for years to come.

Look for the GCC Bobcat driver version 2.0 or higher.

Once the driver is installed, your Windows 7 environment needs two tweaks for peak performance:

Are you using a or a direct DB9 connection to hook up your Bobcat?

When installing on Windows 7, always right-click the installer and select "Run as Administrator" to avoid permission errors during the port configuration. Step-by-Step Installation for Windows 7

The GCC Bobcat BI-60 remains a legendary workhorse in the vinyl cutting industry. Known for its reliability and precision, many professionals still rely on this "tank" for daily production. However, as software evolves, getting this classic hardware to communicate with modern-ish operating systems like can be a hurdle.

Most Bobcat BI-60 units use a Serial connection. If you are using a USB adapter, the driver for the adapter is just as important as the plotter driver. Use an adapter with a FTDI chipset for the best results on Windows 7. Problem: Random "stray" lines across the vinyl.

Mastering Your GCC Bobcat BI-60: Finding and Installing the Best Windows 7 Drivers

During installation, if you are using a USB-to-Serial adapter, ensure your COM Port in Device Manager matches the port selected in your cutting software (usually COM1 or COM2). Optimizing for "Best" Cutting Results