150mbps MINI WIRELESS N USB ADAPTER always broken ,you can install driver like this in ubuntu
Inubuntu14.04 ,150mbpsMINIWIRELESSNUSBADAPTER(802.11n) alwaysbreaked,youcaninstallitsdriver accordingtothissite:https://github.com/pvaret/rtl8192cu-fixesItcansolvethisproblem.Mychinesesinputmethodiswr