We have already writtenhereabout how you’re able to fix those.
To manage the Window Auto-Tuning feature, check out the following steps:
Look forReceive Windows Auto-Tuning Level.
If it saysNormalthat means its running.
Ghacks says that disabling the Window Auto-Tuning Level may increase your speed.
To do this typenetsh int tcp set global autotuninglevel=disabledinto the command prompt and hit enter.
Once the feature is disabled, try using your internet connection again and see if thats fixed the problem.
Here is how you re-enable it.
In the command prompt, typenetsh int tcp set global autotuninglevel=normaland hit enter.
source: www.techworm.net