Your screen resolution is too low. This means that some parts of the tests may not be visible to you and it may even be impossible to complete the testing correctly.
An administrator will need to increase the resolution in the display settings.
If the resolution is set to max and still seen as too low it may be a problem with your graphics driver. If you do not install any driver or have the wrong one you may become limited to a screen resolution of 800x600, which is below the system requirements.