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FPGA-NYC's avatar
FPGA-NYC
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4 years ago

Quartus (21.1 Lite) can no longer see my USB Blasters (Terasic) on Windows after auto-update

Hi folks, I have been happily using Quartus Prime 21.1 Lite (Windows 10) with several Terasic boards (including DE0-Nano, Cyclone V GX Starter Kit, DE2-115) the last month or so with a new computer...
FPGA-NYC's avatar
FPGA-NYC
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4 years ago

Since nobody responded, here's what I did which eventually did SOMETHING:

1. Unplug as many USB devices as possible

2. Stop as many programs as possible in the system tray and running

3. Kill the "jtagserver" a few times from Task Manager

4. Plug in and out the FPGA board (USB Blaster)

Eventually the jtagconfig was able to see the board again. I have no idea which of these things worked.