My iMac 27", late 2009 os El Capitan does´t recognize dvd
My iMac 27", late 2009 os El Capitan does´t recognize dvd:s although it plays a cd perfect. I don´t get any messages. The disk just ejects automatically. How can I deal with this problem?
Grateful for help!
iMac, OS X El Capitan (10.11.5)