Moreover, never ever give access to your system to an unknown person. Even if he looks nice and helpful. It is a sane best practice to keep away from troubles.
Keshara, as a person who is willing to help, you should even not have asked for it. There are many ways to help him without a shell access.
Payo, if stuff here looks difficult for you, you would better be patient and wait for a kernel update from Ubuntu.
Or just change of hardware (WiFi card). Due to this trouble and several more, I personally ended switching my lame HP laptop for a Thinkpad (S540). Now everything works flawlessly and out of the box.
Moreover, never ever give access to your system to an unknown person. Even if he looks nice and helpful. It is a sane best practice to keep away from troubles.
Keshara, as a person who is willing to help, you should even not have asked for it. There are many ways to help him without a shell access.
Payo, if stuff here looks difficult for you, you would better be patient and wait for a kernel update from Ubuntu.
Or just change of hardware (WiFi card). Due to this trouble and several more, I personally ended switching my lame HP laptop for a Thinkpad (S540). Now everything works flawlessly and out of the box.