"Good Man Repair computer series" Ubuntu under the wireless network card is disabled once after the problem can no longer open

Symptom description : After using default network management in Ubuntu to disable the wireless card cannot be enabled again, the wireless network administration shows that the device has been disabled by the hardware device. Switching to another system, such as windows, also shows that it is disabled.

Workaround :
See if the wireless card is blocked

sudo rfkill list

If there is no, continue to look down, if all is yes, please Google other methods, but the dead horse as a live horse medicine, you can also use a bit of method.

Then unblock

sudo rfkill unblock all

To prevent such a thing from happening again
We recommend using WICD to manage your network
Uninstall your own network management

sudo apt-get remove Network-manager-gnome

Update the software source

sudo apt-get update

Installation

sudo apt-get install Wicd

To start the graphical interface:

sudo wicd-client

"Good Man Repair computer series" Ubuntu under the wireless network card is disabled once after the problem can no longer open