: Open the extracted folder and look for an executable file named CH341SER.EXE or FTDI_Setup.exe . Right-click the file and choose Run as Administrator .
Follow these instructions sequentially to prevent device conflicts:
: If you are running older iterations or specialized editions of Windows 64-bit systems, you may need to disable the digital driver signature enforcement option in your advanced boot menu for the port to activate perfectly.
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Use this if the WCH driver does not work. It is common for older Liyu machines. 2. Step-by-Step Installation Guide (Windows 10/11)
If you are facing communication errors, or if your computer does not recognize the cutter via USB, you need to download and install the correct . This guide provides the necessary links, installation steps, and troubleshooting tips to get your machine running efficiently on modern Windows operating systems. Why You Need the Liyu SC-1261 USB Driver
Connect the USB cable from the plotter to a USB 2.0 port on your computer (avoid USB 3.0 ports if you experience connection drops). : Open the extracted folder and look for
Read the text inside the parentheses next to it. Note down the designation (e.g., COM3 or COM4 ). 🎨 Software Mapping Configuration
Once the driver is installed, you must configure your cutting software to communicate with the Liyu SC-1261. (e.g., SignMaster). Go to Cutter Settings/Configuration.
To connect your Liyu SC-1261 via USB, you must install a specific USB-to-Serial chipset driver. Most Liyu models use the or FTDI chipset. This public link is valid for 7 days
Are you trying to connect your Liyu cutter to a specific software like or CorelDraw , or are you encountering a specific error message during setup? Sign Cutting Software for Liyu Vinyl Cutter/Plotter
The driver failed to install properly or digital signature enforcement blocked it.
Locate the listing titled or USB Serial Port .
In the dialogue box, select your exact model ( SC1261 ).
: Plug the USB cable into the cutter and your computer. Windows should now assign it a COM Port (e.g., COM3).