Help!! Upload Speed sucks on my PC.

NikhilSingh25

Forerunner
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My motherboard is Asrock b650m pro rs, with 2.5Gbit ethernet. I'm using win 11 and I have been getting the best speed I could from my ISP plan.
It was fine a few days ago, I was getting almost 400 Mbps upload.
I have tried uninstalling drivers, changing ethernet cable, Changing ports on router, but now I can not get more than 50-60mbps upload.
I have tried everything from Microsoft posts to reddit but nothing works.
And yes I'm getting good upload on phone and laptop. Just having problem on this Pc.
 
There should not be any problem with pc, I had the same issue good upload on phone & laptop but 50mbps on pc.
I did nothing and it went to normal on its own after a few days. and now its back to 50 mbps.
 
Ensure IPv4 and v6 are both enabled

Check your router's settings page to ensure no hard upload limits are set.

Also, try this (to ensure no Windows limits are set):