This worked for me.Īfter the Ubuntu guest machine(In my case I am installing ubuntu virtual machine in windows) is installed, you will find the Ubuntu OS screen size is not extendable and you are not able to share folders between the host machine and Ubuntu.įor better screen resolution follow below steps.

I know this is a bit late, but for others who are having the same issue. Resolution display do not have ' 1024*640'.) Too small just like VirtualBox default interface.) ' Scale Factor' should be from ' 100%' to VBox's max ' 300%'. VirtualBox Default interface is 400*300 with ' 100%', it's too small, so No matter your Debian version is ' 8', or even ' 11', the upstairs settingsįinally, ' Guest Resolution' * ' Scale Factor' = ' Host Display size'. So, just use ' Debian' for an example here.Ĭlick my guest machine ' Debian''s 'Settings', then found out ' Display',Īnd, also, choose ' Resolution' to ' 1280*800(16:10)'. ' Display', and adjust ' Scale Factor' to ' 200%'(the same as Scale Factor Machines's ' General', mine is ' linux_debian_11 - General', then click ' Guest Machine Box', choose ' Settings', then you will enter your guest Of your guest machine name, right click your ' Menu Box' or single click your Please found out your guest machine ' Menu Box Button', that is at the right You will see ' Power Off' under the name of your guest machine. When you enter VirtualBox APP, then you see ' Oracle Vm VirtualBox Manager',įound out your guest machine name button, as mine is ' linux_debian_11', Height ' 800', and adjust ' Scale Factor' to ' 200%', then click ' Preference', then enter ' VirtualBox - General', click Display,Ĭhoose ' Maximum screen size' to ' Hint' with Width ' 1280' and Move your mouse to top menu, found out VirtualBoxlogo, select My virtual machine VirtualBox 6.1.32 Max scale factor is 300% Īnd, VirtualBox default interface is 400*300with scale factor 100% Ĭlick VirtualBox APP, then you see ' Oracle Vm VirtualBox Manager', My host machine macOS Retina display is 13.3 inch ( 2560*1600) Just as Virtual Box manually installed Debian on Mac for example: Step is to restart host machine(e.g: macOS/Windows). Guest's scale factor, third step is to adjust guest's resolution, fourth Machine's scale factor and maximum screen size, second step is to adjust When a new virtual machine witness on mac, first step is to adjust virtual Please do the same functional operation on your Host Windows, VM VirtualBox and guest ' Arch Linux'. I have just used ' VirtualBox' to install ' Debian' on ' Mac', so just use this for example.

Just adjust VirtualBox-General's Display ' Maximum screen size' and ' Scale Factor' Īnd adjust guest machine-General's Display ' Scale Factor' Īlso choose guest machine-Settings's Display ' Resolution'.

Macos virtualbox full screen