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When connected to USB, the device is recognized as [unknown USB device].
*Operation Verification
Verified with PC and USB only, without JTAG terminal connected
1)Win11pro desktop : Ver23H2 : Not recognized both by USB direct
connection and self-power HUB
2) Win11pro Laptop: Ver23H2: Not recognized both by direct USB connection
and via self-powered HUB.
3) Win10pro laptop: Ver22H2: Both USB direct connection and via
self-powered HUB are not recognized.
Intel Products Used Quartus Prime 23.1std
All Unknown USB device (device descriptor request failed) code 43
Link Copied
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Hi,
did you try to update driver for the unknown device in device manager, manually selecting recent quartus\drivers\usb-blaster-ii folder as driver installation source?
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Hi,
Please provide the screenshot of the unreconized device message.
Also, have you try to uninstalled and reinstall the USB Blaster driver?
Regards,
Aiman
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Hi,
- May I know from where did you purchase the USB blaster?
- Have you try the suggested steps above by me and FvM?
- I do not understand the error message in the picture, please help to translate in english.
Regards,
Aiman
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Hello Aiman,
1. Customer purchased the part from Mouser.
2. Yes, the suggested steps are tried but still the device is not detecting.
3. USB not recognised.
Regards,
Venu CK.
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Hi Venu,
Kindly try below:
- Ensure that USB Blaster Adapter connected to the board in correct manner(one to one mapping)
- Complete reinstall of Quartus Prime
- Running as admin
Another try:
- Disconnect other USB device
- uninstall and reinstall the usb blaster driver
- You can also try this https://www.intel.com/content/www/us/en/support/programmable/articles/000073673.html
- If you have another USB Blaster, please try using another one and see if it works.
Regards,
Aiman
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Hi,
Do you have any further update/inquiries for this case?
Regards,
Aiman
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We do not receive any response from you to the previous answer that I have provided. This thread will be transitioned to community support. If you have a new question, feel free to open a new thread to get the support from Intel experts. Otherwise, the community users will continue to help you on this thread. Thank you
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