However, the generic driver still needs correct :
openocd -f interface/altera-usb-blaster.cfg
The driver is invisible when it works and a two-hour rabbit hole when it doesn’t. That’s the price of JTAG. altera usb blaster driver
This guide covers the technical details of the driver, installation procedures for Windows and Linux, and troubleshooting the "driver not found" error.
Navigate to your Quartus installation directory. The default path is usually: C:\intelFPGA_lite\ \quartus\drivers\usb-blaster . However, the generic driver still needs correct :
The driver is usually included with the installation of Intel (formerly Altera) Quartus Prime or Quartus II software . Windows typically does not install it automatically, so you must point the Device Manager to the driver files manually. Installation Steps (Windows 10/11)
Despite the move to standard USB classes, three problems persist across almost every Quartus release: Navigate to your Quartus installation directory
This usually happens when using very old Quartus versions (e.g., version 13.0 or older) on Windows 10/11.
: Plug your USB-Blaster cable into your PC and the FPGA board.
USB-Blaster issues with Windows10 | Altera Community - 30117