A while ago computer installed Win7 and Ubuntu dual system, and then recently to engage in embedded, so think of Ubuntu into Redhat, mainly because a lot of textbooks are written in Redhat.
First to uninstall Ubuntu, according to some of the network, the operation, the results are very interesting to guide the bad. The main point here is that we must not be credulous of the online statement, casual operation, it is easy to make themselves be broken down. Finally the tool repaired the boot, entered the Win7 system, and then formatted Ubuntu. One problem is that the wireless card is not open.
Thought to be the driver of the problem, after reloading the latest drive, still can not be used.
Finally discovered when the wireless card driver in the BIOS is disabled, after booting into the BIOS settings WLAN option to enable ...
There are people in the removal of Linux system is to be cautious, not only prudent, but also can not be credulous of some simple online practices.
Beware of being fooled ....