How to open or close the thumbnail preview image of Win7 system

The steps for opening or closing the thumbnail preview image are as follows:

1. First, return to the desktop location of the computer, and then find the computer icon on the desktop. Right click and select the last property option;

2. In the Open Computer Properties window, click Advanced System Settings in the left menu and then switch the interface to Advanced in the Open System Properties window. Bar, and click the Settings button under Performance;

3, after that, the interface shown in the following figure will appear, select Custom in the visual effects column, and then find the “ display in the list Thumbnails, instead of displaying icons & rdquo; and check the box, and finally click OK to save the settings.