You need to mount the 'guest-additions-iso' in your VM. If you go to to the device drop down you should see that option there. Then run the Linux script in the CD, then reboot. You should get full screen.
On Wed, Jan 18, 2017 at 12:12 PM, <meino.cra...@gmx.de> wrote: > Hi, > > I am relatively new to the world of virtualboxing (NOT > "virtual boxing" ! :) > so my question may be stupid (tm)... > > I installed Virtualbox 5,1,12. and installed a Linux > distro into a hard disk drive image. Finally the image > boots and now I have a "Linux in a (vitual) box" NICE! > > But: The size of the inner window fame of virtualbox is always smaller > than > what the Linux inside thinks is the size of the monitor. > > So I never get the whole desktop... > > Is it possible to fix this without reinstalling the complete Linux? > > Thanks a lot for any resizing help :) in advance! > Cheers > Meino > > > > > >