This article shows how to fix VirtualBox 6.1.* running slow on macOS, MacBook Pro with retina display. Tested with VirtualBox 6.1.22 macOS Big Sur 11.1 MacBook Pro (16-inch, 2019) Kali Linux, Ubuntu, Debian 1. VirtualBox with more memory, CPU, etc In VirtualBox, clicks on the Settings icon. 1.1 Increase based memory. 1.2 Increase CPU processors. […]

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To solve the Ubuntu UI slow performance issue on VirtualBox, increase the “Video Memory” and “Enable 3D Acceleration” Environment VirtualBox 5.1.14 Ubuntu 16 Solution 1. Shutdown VM, clicks “Settings” 2. Display –>> Screen tab –>> Increase the “Video Memory” to Max, and checked the “Enable 3D Acceleration” Done. References What is ‘Ubuntu Unity’ (for the […]

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