May 1, 20251 yr Hello, I am experiencing a critical issue with my Helios4 board from Kovol after a recent power outage. When I power on the device, the fans start spinning, but none of the LEDs illuminate at all. This includes the power LED and any activity LEDs. Anybody can help me?. I thought it might be the power supply, but I can't find where I could buy it. Does anyone know where to find it? Thank you very much.
May 1, 20251 yr Author My board have a UART1 (via onboard Micro-USB converter) and dont connect...... with $ sudo picocom -b 115200 /dev/ttyUSB0 @Werner Can you think of any other option? Thanks for answering and for your time.
May 2, 20251 yr Try with a fresh image on sdcard. If there are SPI or eMMC and a way to disable them hardware-wise (I don't know this board) disable those. Check if it boots. If there is no output at all with the fresh image the board might be damaged.
May 2, 20251 yr Author @Werner thanks for your time. I found the solution in this post: I'll never be able to say it, but this community is the best I've ever seen. I want to thank you because once again, I couldn't have solved the problem without it. Thanks @djurny@Igor and the all the people of this post.
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