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Your dongle is not communicating to your computer. This may be for a number of reasons, but the main causes are 3rd party software installed, your motherboard's drivers not being installed or configured correctly, or a hardware issue with your computer. If none of these occur it could be a problem with the dongle itself. Hopefully this article will help you troubleshoot a solution! The code for this article was generated from the following source: https://www.anandtech. com/show/10215/amd-ryzen-and-7-nm-preview The following is an attempt to help diagnose some BIOS related issues that may pop up with the Infinity USB Dongle. These were originally posted on the Aaeon forums here. This will be a brief overview of the various issues that arose while designing the PCB for the Infinity USB dongle, along with some debugging details of how each issue was resolved. I hope this article will help other builders along with myself when troubleshooting these issues in future designs. Issue 1: BIOS would not boot from device due to heavy continuous read operations at startup. It was determined that this issue is most likely a BIOS bug. One of the ways to determine the cause of the issue would be to control each of the three read threads on a single core on a Broadcom system. In order for this to work on any board, you cannot have it on a single core on Allwinner devices due to their inability to generate more than one core load command on their A20 or A31 cores at a time. However, you can do so if you have a multi-processor motherboard. This has led us to believe that the issue is something in the BIOS, and not in your drivers or kernel being unstable. Another thing to try is to comment out the init_rom.bin, boot.sh, u-boot.lds, command.lds, boot2.lds or other relevant boot loaders in the config.txt file when you are getting this issue when flashing your board with a clean image of the latest version of LibreELEC or OpenELEC for 5x6 hardware (to see if it's flashing issues). Once flashing is working correctly move back to the stock files and try flashing again". That you need to flash at least twice to initialize your software assuming that you are using their "flasher" utility which takes two passes before it actually initializes everything on your system correctly. Once you are working on a clean image just flash it one time to test if your board boots correctly. Issue 2: Booting from USB drives/media with FAT32 filesystem. The FAT32 filesystem is not fully supported by the 6xxx series of SoC's that the 6xxx boards are based upon, hence the use of R/W capable USB2.0 sticks for testing purposes. The problem is caused by some version of GNU/Linux attempting to initialize the drive on power-up which initially boots into a broken state due to some missing or incorrect data in the drive's boot sector. cfa1e77820
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