Why doesn't the Quartus II Web Edition Programmer version 12.0 SP2 detect the USB-Blaster cable? - Why doesn't the Quartus II Web Edition Programmer version 12.0 SP2 detect the USB-Blaster cable? Description Due to a problem in the Quartus® II Web Edition software version 12.0 SP2, the Programmer may not detect the USB-Blaster™ cable. Resolution To work around this problem, install the Quartus II Standalone Programmer software. This issue is fixed beginning with the Quartus II Web Edition software version 12.1. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] 12.1 12.0.2 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']