How to solve the Win7 taskbar thumbnail disappeared?

I believe that many friends often open many windows at the same time when using the computer, but generally only one window can be displayed at the top, other windows are displayed in the taskbar, and you need to check other windows to switch back and forth. In response to this problem, Microsoft added the "Taskbar Thumbnail Preview" function in the Win7 system. Just move the mouse to the corresponding window of the taskbar, and a thumbnail preview will pop up. You can see the preview window without switching the window. And display the content. But with the use, the Win7 taskbar preview suddenly disappeared, the mouse moved to the taskbar can only display the text title, it seems very unaccustomed, so how to let him come back? Pepsi.com has a small plaid to help you.

Win7 taskbar thumbnails are missing. Solution:

1. The most common and easy way to do it is to... reboot, if not, continue to check.
Try restarting the computer

2. Right-click on the taskbar properties to see if the option to preview the desktop is turned off. If you accidentally cancel it, you can check it.
Check if the Win7 taskbar thumbnail is turned off.

3. Right-click on the computer----Properties---Advanced System Settings----Advanced----Performance--Settings--Visual Effects- -- Let window choose the best setting for your computer -- remember to enable the Aero peek option.

4, here you have to use the registry, start menu --- run --- regedit OK to run open the registry editor --- HKEY_CURRENT_USER --- Software --- Microsoft --- -Windows----CurrentVersion----Explorer---If you don't have the Explorer option, you can create a new one, then right-click to create a new DWORD key value TaskbarNoThumbnail, double-click we will see the key value, generally the default is 0, is open The meaning of this is a logical value, and the general learning of programming languages ​​is relatively clear.

Xiaobai Help: How to open the registry registry editor how to open
Modify the registry to solve the Win7 taskbar thumbnail is missing

Editor's note: In short, the thumbnail of the taskbar The Aero theme is related to the Aero Peek effect. The general system version is supported. If not, it is necessary to pay attention to whether it is caused by the pirate system. If necessary, you can reinstall the system.