Press → → → to change basic options relating to visual effects.
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Select None to provide a simple desktop environment without any effects.
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Select Normal to provide a good balance between attractiveness and performance.
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Select Extra to provide an aesthetically pleasing set of graphics.
When you select an option, it may take several seconds for the change to be applied. During this time, your screen may flicker briefly.
Once the settings have been applied, a dialog box will appear asking you to either keep the new settings or to revert to your previous settings. If you find that the new settings work correctly, then click . Otherwise click . If you do not select anything for 20 seconds the system will return to your previous settings.
