Internet goes really slow when someone else uses it

UltimateRob97

Reputable
Feb 4, 2015
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4,690
Hello,
So basically my PC used to get decent speeds on the internet, until recently when I reset my windows 10. I am highest priority on the QoS but it still makes no difference, before I reset my PC the QoS definitely made a difference! I used to be able to download on steam with no issues, now it will download fine at like 5mb on steam, but if anyone else in the house loads up steam and downloads my speeds go to about 500kb if I'm lucky, it can literally be anyone, wifi or Ethernet. I'm currently using power like Ethernet. My computer is still set to priority so why am I getting kicked off as soon as anyone else uses it, it's like they will get 5mb as soon as they load it, but I'll get 500kb, and as soon as they stop it goes back to 5mb for me.
Any ideas how to solve this?
Thanks