How to solve the problem of Win7 system replacement theme gray

Win7 Ultimate system is the most complete and stable operating system in Win7 system, has won the pursuit of many users. However, in the process of using the Windows operating system, the perfect system will inevitably encounter some minor faults. For example, what should I do if the Win7 Ultimate system theme shows that the gray cannot be replaced? The following is an example of the in7 Ultimate system. Everyone explains the theme to show that the gray can not be replaced.
Operation:
1. Right-click on the blank space of the Win7 Ultimate system desktop and select the “Personalization” option. You can also find the personalization option in the Control Panel.
2. In the personalized window that opens, click on the “Resolve Transparency and Other AERO Effects” option at the bottom of the window.
Click “Solve transparency and other AERO effects issues”
3. In the troubleshooting window, click Next, so the system will automatically detect the failure of the theme gray can not be modified, become the default theme, Windows7 theme The problem that cannot be modified is solved.
Automatic detection of the theme of the gray can not be modified
Tomato Garden Win7 Ultimate system to replace the computer theme when the gray solution is shared with you here