My Desktop PC:- Asus P5KC Intel Q6600 2.4GHz 4Gb RAM DDR3 Geforce GT1030 Lubuntu 64bit Hi. I am using the right drivers from Linux Lubuntu CPU is 80% to 100% on YT 4K video on YouTube playing on 4K @60fps very high CPU i tried h264ify still lag and very high CPU tried different Internet browser still lag and very high CPU. tried patched chromium still lag very high CPU i don't have this problem with windows 10 (64bit) on windows 10 64bit CPU usage is 10% or 20% to 30% on YouTube 4K video all web browsers work excellent on windows 10, only problem is Memory (RAM) on windows 10 so that's why i tried Linux Lubuntu any solution?