You can't turn on aero effects, you can solve the problem Lauren the following methods.
First, determine if your system version is more than the home normal version of the system, the home normal version of the following system version does not support aero effects.
Second, let the system fix the problem by itself, by searching for Aero in the Start search box and finding the fifth click so the system fixes most of the aero effect problems.
Third, the graphics driver problem, it is recommended that you upgrade or reinstall the graphics driver, and then turn on the aero effect.
Four, you may not have desktop settings, computer-right-properties-advanced system Settings-advanced-performance-settings, no Select the "Enable Transparent glass" three options.
Five, the video card color depth may be set to 16-bit color depth mode, so that the words are not open aero. The method is on the desktop "right-screen resolution-Advanced Settings-List all modes" Choose True Color 32-bit is OK.