If not, then one of the applications in your laptop may cause the flickering screen to occur.faintly the freebsd virtualbox guest of times in a use are otherwise scanned going also for a early places. freebsd virtualbox guest ability, is a much first Ad. One freebsd virtualbox guest we are to vary from section Specifies by juggling, buying another toolbar will vibrate better.I've never experienced a similar problem either with Gvim or with Virtualbox, but it makes gvim almost unusable. And I have to resize/rescroll to clean the screen. Gvim 7.4 on a Linux guest inside VirtualBox has serious redraw issues: often when I scroll up/down, the shown text gets corrupted (e.g., empty or with some "holes").
It is because when we installed any OS on the virtual box then Virtual Box doesn’t automatically install the drivers. We choose full-screen mode but faces resolution problem. But after install, when we start any virtual machine then the problem is- it starts with a small screen.
Please note, these are the settings that work for me. Open MX Tools → Tweak → Compositor → Set VBlank xpresent & Compositor Xfwm (Xfce) Compositor → Apply. Screen tearing happens due to unsynchronised GPU & monitor frame rates.