After reinstalling win7 system, opening drive C found that the space was getting smaller and smaller, suggesting that the space of drive C was insufficient, which caused the running speed to slow down. What happened? The reason why the space of drive C is reduced is not because of downloading or installing files on drive C, but because the system protection is turned on by default, and the protection function will occupy the space of drive C. If the space of drive C is large enough, it is recommended to keep this function so as to recover in case of failure. If the space of drive C is limited, you can turn off this function to avoid taking up too much space. The following small series introduces you to the method of closing the system protection function of win7 system.

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The specific method is as follows:

1. Click Start, then right-click the computer and select Properties.

2. Click Advanced System Settings-System Protection-Configuration;

3. Click Turn off system protection, and then click OK.

With reference to the above three steps, you can easily turn off system protection. Open drive C, and you will find that the space becomes larger and the running speed becomes faster.