Windows 64-bit systems are strict about "Driver Signature Enforcement." Follow these steps for a clean install:
Right-click the driver .exe file and select Run as Administrator .
Used for older or specific professional series. These are available at the FTDI Chip official portal.
Open your cutting software (such as Easy Cut Studio or SignMaster ). Go to Cutter/Manage My Cutters and select your Liyu model. Liyu Plotter Driver 64 Bit
Do you have a specific Liyu model (e.g., P24, 721, 870)? Post the VID/PID from Device Manager, and I can link you to the exact 64-bit driver.
Most Liyu plotters use an FTDI chip to handle USB communication. Windows 10 and 11 are usually very good at automatically detecting FTDI chips, but they don't always assign the correct plotter driver.
When you plug in a Liyu plotter on 64-bit Windows 10/11, Device Manager typically shows: Windows 64-bit systems are strict about "Driver Signature
"Liyu" covers a range of machines. Before downloading a driver, you must identify your specific model to ensure compatibility. The most common models include:
If you are using software like SignCut , FlexiSign , or Artcut , the 64-bit driver is often bundled in the software’s installation folder under a directory named Drivers or USB_Installer . 3. Installation Steps for 64-Bit Windows
Do not plug in the USB cable until the driver is installed. Open your cutting software (such as Easy Cut
Software is sending 32-bit command strings, but the 64-bit driver misinterprets the data rate. Solution:
Before beginning, do connect the plotter via USB yet. Windows will attempt automatic driver installation, which often fails.