I'm glad that the new build add an option to pick Audio Backend 
But the sound drop problem still there... "OMG", that's the word come from my mouth as the problem hit my ear...
At least the speed drop is gone...

But the sound drop problem still there... "OMG", that's the word come from my mouth as the problem hit my ear...
At least the speed drop is gone...
Old laptop: Lenovo G458
AMD/ATI Radeon HD 7310 | 1366x768@60Hz | APU E1-1200 Dual Core | 2.5 GB DDR3 400MHz | Windows 7 Home Premium 32-bit
New laptop: Lenovo ideapad 100
Nvidia Geforce 920M 2GB / Intel HD Graphics 5500 | 1366x768@60Hz | Intel Core i3-5005U 2GB | 2GB DDR3 2000MHz | Window 10 Home 64-bit
AMD/ATI Radeon HD 7310 | 1366x768@60Hz | APU E1-1200 Dual Core | 2.5 GB DDR3 400MHz | Windows 7 Home Premium 32-bit
New laptop: Lenovo ideapad 100
Nvidia Geforce 920M 2GB / Intel HD Graphics 5500 | 1366x768@60Hz | Intel Core i3-5005U 2GB | 2GB DDR3 2000MHz | Window 10 Home 64-bit


