1. No thumbnails are related to graphics driver and system optimization. If the driver is normal, it may be caused by some system shutdown caused by using system optimization software.
2, Windows7 Home Basic Edition interface is very ugly, and many Windows7 features are not, I give you a suggestion, your Windows7 pre-installed Home Basic Edition can be upgraded to the Ultimate version for free. No fees are required. Upgrade for about ten minutes.
3, upgrade method computer properties Windows upgrade anytime
Follow the prompts to enter the flagship key step by step, Windows7 Ultimate key can be Baidu search, you can also leave a message I send it to you.
4. After the upgrade, Windows 7 has comprehensive functions, improved performance, and transparent windows and previews will look beautiful.
5. If you don't have a thumbnail yet, you should update your graphics card driver.
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