I am not using the wireless internet, is the network cable Connection router Internet, is the W7 system, My computer is Delling 15. Sometimes start the computer can not be networked, only Netcore1 not connected, the password is still not connected, the reason: there is a problem with the wireless adapter or access point is not fixed then a red X sometimes restart the computer can be connected, who can help solve it, have been bothering me for a long time, every time to restart the line.
If you're a windows7 system, this is a good solution, and I've had the same situation as you.
1. Open Control Panel
2. Open Network and Internet
3. There is a change in the left of the adapter settings click to enter
4. Wireless network out right click Properties
5. Point Configuration
6. Power Management
7. Get rid of the "front hook".
Add: If there are wireless 3 then the settings are changed to the same, so that the solution