Hi, I'm new to repairs, so I hope you can help.
I have an HP14 (HAGRID-6050A2983401-MB-A02 (A2) board), which works fine, but two USB connectors (on the side closest to the CPU) don't work. I have 5V but it doesn't read the USB information. I've tried looking for the diagram, but none of the ones I've looked for are for my board (none of the codes shown in the diagram are the ones that appear on my board). Does anyone know what it could be?​...

Hello, my name is vannak_134, I am a 19-year-old young man who has studied short courses in laptop repairs. I study networks and telecommunications and in the future I would like to study electronic engineering. I work fixing laptops part time.
I come to this forum to learn more about repairs, read experiences about them and to seek help in cases that I don't know about. I hope you can help me in such cases. I see people with approximately 15 years of experience or more, that is amazing, I hope they can share their knowledge here,
Sorry if my English is bad, I don't usually speak or...