How to solve the problem that the change power settings window of win7 system cannot be opened? When we use the computer, we can change its power settings. There are three different modes that can be switched. Switching to different modes can provide different performance. Some users want to switch to high-performance mode but find that they cannot switch. Many friends do not know how to operate in detail. The editor below has sorted out the solution to the problem that the change power settings window of win7 system cannot be opened. If you are interested, follow the editor Let’s take a look below!
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