I have problem with my laptop. My internet speed is like 9-12 Mbit. When Im on cable everythings work fine and my download speed is around 9-12 Mbit. However, when I connect to my router over wifi my download speed is around 60 kBps. Its too slow. Also my ping goes to 300-600 ms. I tried connect my phone to router and share internet with hotspot. The speed of internet on my laptop was still slow so the problem is definitely with my laptop. I tried some troubleshoot steps like restarting PC, clean boot, drivers update, changing DNS to google ones, but nothing works. Is there anything I can try or its harware problem? Thanks for help.