id summary reporter owner description type status component version resolution keywords cc guest host 18009 Guest screen size is not same as window size HiDPI @1.5 Linux host Guo Yunhe "Host openSUSE Tumbleweed 2018-09-23 VirtualBox 5.2.18_SUSE r123745 Qt 5.11.1 HiDPI@1.5 Guest Windows 10 VirtualBox additions installed 2D accelerate 3D accelerate VirtualBox screen scale 100% Windows display scale 150% Guest system display is smaller than the window, leaving black space around. Mouse pointer is wrongly mapped to the whole window instead of guest system display area. [[Image(https://i.imgur.com/nPo9esr.png)]]" defect new GUI VirtualBox 5.2.18 Windows Linux