Article ID: 5765, created on Nov 20, 2008, last review on May 10, 2014

Symptoms

I have created a virtual machine with Linux operating system. Parallels Tools were installed properly, but display resolution is not changed when VM is switched to fullscreen mode.

Cause

By default virtual machines with Linux Guest OSes are created with 3 MB of video RAM. This value is not enough for running in fullscreen mode with high screen resolution.

Resolution

Please, increase the video RAM in virtual machine's configuration (the value depends on screen resolution value):




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