What should I do if the Win8 wireless connection is often restricted?

When using the wireless system of Win8 system, there will always be a network-constrained situation. A yellow exclamation mark appears on the side of the wireless icon. Sometimes it will be good to be on the spot, sometimes it will be various. Tossing for a long time can be good. I just thought it was just a case. Later I learned that many friends have this kind of situation and are deeply troubled by it. Fortunately, Xiaobian found a more reliable solution, and I will share it with you.

1. Right-click on my computer---Properties---Device Management, find our wireless network card, then right-click and select Properties.
What should I do if the Win8 wireless connection is often restricted?

2. Set the wireless network card properties, the advanced tab, the value of 802.11n to the mixed mode.
What should I do if the Win8 wireless connection is often restricted?

3. In the movie management of the wireless network card properties, "Allow the computer to turn off this device to save management" in front of the option to remove.
What should I do if the Win8 wireless connection is often restricted?