1. Click on Start
2. Click on Network
3. Click on Network and Sharing Center
4. Click on Change adapter settings
5. Right click on your network adapter, choose Properties
6. Click on the Configure button
7. Click on the Advanced tab
8. Choose from the dropdown box the option for your Duplex/Network Speed settings
9. Change your setting to 1GB or whatever your trying to do
10. Done
1. Click on Start
2. Click on Network
3. Click on Network and Sharing Center
4. Click on Change adapter settings
5. Right click on your network adapter, choose Properties
6. Click on the Configure button
7. Click on the Advanced tab
8. Choose from the dropdown box the option for your Duplex/Network Speed settings
9. Change your setting to 1GB or whatever your trying to do
10. Done