I just found this good tips from my ISP. I am sure it works for you.
Here's a simple little thing you can do to increase your bandwidth by at least 20%.
1.) log on as Administrator.
2.) start - run - type gpedit.msc
3.) expand "local computer policy"
4.) then expand "administrative templates"
5.) then expand "network branch"
6.) Highlight the "QoS Packet Scheduler"
7.) on right window double click "limit reservable bandwidth"
8.) on setting tab check the "enabled"
9.) change "Bandwidth limit %" to 0
10.) and then reboot ur pc..
Here's a simple little thing you can do to increase your bandwidth by at least 20%.
1.) log on as Administrator.
2.) start - run - type gpedit.msc
3.) expand "local computer policy"
4.) then expand "administrative templates"
5.) then expand "network branch"
6.) Highlight the "QoS Packet Scheduler"
7.) on right window double click "limit reservable bandwidth"
8.) on setting tab check the "enabled"
9.) change "Bandwidth limit %" to 0
10.) and then reboot ur pc..
