if i am making a speed test , and the bluethooth is on, it will download at 0.5mb/s , as soon as i turn my bluethoot off it goes up to 20mb p/s. dell changed the wifi card and still the same.

i have installed : dell wirless 1830 bluethooth 4.1 le

I HAVE DELL XPS 9550 WIN 10PRO

SOMEBODY HELP!!