Lenovo laptop charger adaptor is not supported

[Colin1958]

Hi, my sons Lenova comes up with the following message when he plugs in the charger..Lenovo laptop charger adaptor is not supported can someone please help..thank you

 

[thejackal85]

This usually happens with a substitute power unit, don't worry, it's normal. In this link here, scroll down to the "calingasan" answer. That will fix this issue.

http://forum.notebookreview.com/threads/ac-adapter-not-supported-fix.522640/