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'.

Oracle virtualbox full screen