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807 Discussions

USB Blaster sometimes detected as "Altera vendor specific"

MBish11
Beginner
290 Views

Quartus is installed on Windows 10 virtual machine (Parallels) running on MacOS Catalina 10.15.4. The device is sometimes detected as USB Blaster II and other times as "Altera vendor specific". Sometimes it takes dozens of trials to get the USB blaster recognized. Any ideas how to fix?

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5 Replies
ShafiqY_Intel
Employee
176 Views

Hi MBish 11

 

May I know which Quartus version you are using?

 

Can you try to reinstalled you USB Blaster II driver on Windows 10? (refer to attachment provided)

 

 

Thanks

MBish11
Beginner
176 Views

Hi and thanks for your reply.

The Quartus version I'm using is 18.1.1 Build 646 04/11/2019 SJ Lite Edition

I tried to update the driver but I got the message "The best drivers for your device are already installed"

I tried when both the device was recognized and not recognized (please see attched)

Regards

ShafiqY_Intel
Employee
176 Views

Hi MBish11,

 

Can you tried to uninstall your device & try step 1-11 again?

 

Thanks

ShafiqY_Intel
Employee
176 Views

Hi MBish11,

 

Any feedback from your side?

 

Thanks

MBish11
Beginner
176 Views

Hi Shafiq,

No, that didn't help either.

Whenever I turn off the development board, the JTAG device driver disappear from device manager. When the board is turned on again, JTAG driver is automatically re-installed.

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