Forum Discussion
PL-USB2-BLASTER_SO#233556_Unable to recognize device
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
8 Replies
- FvM
Super Contributor
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?
- NurAiman_M_Intel
Super Contributor
Hi,
Please provide the screenshot of the unreconized device message.
Also, have you try to uninstalled and reinstall the USB Blaster driver?
Regards,
Aiman
- VCk00
New Contributor
- NurAiman_M_Intel
Super Contributor
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
- VCk00
New Contributor
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.
- NurAiman_M_Intel
Super Contributor
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
- NurAiman_M_Intel
Super Contributor
Hi,
Do you have any further update/inquiries for this case?
Regards,
Aiman
- NurAiman_M_Intel
Super Contributor
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