Question strange internet behavior

Jan 30, 2021
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Whenever I open use anything that requires a constant stream of bandwith, watching live streams, live data feeds etc, everything else on the computer including other webpages has no internet connection until I stop or refresh whatever is streaming bandwith. Does anyone now what the problem is ?
 
Are all devices connected at WiFI? Does this issue applies for cabled devices as well?

Can you run speedtest.net at following scenarios (most interresting if both on cable)
  • When not streaming anything.
  • When streaming HI res on same computer
  • When streaming LO res on same computer
  • When streaming HI res on different computer
  • When streaming LO res on different computer