1. The absence of thumbnails is related to the graphics card driver and system optimization. If the driver is normal, it may be caused by the use of system optimization software that causes certain services to be shut down.
2. The interface of Windows 7 Home Basic Edition is very ugly, and many Windows 7 features are not available. Let me give you a suggestion. Your Windows 7 Home Basic Edition pre-installed can be upgraded to the Ultimate Edition for free. No fees are required. The upgrade takes about ten minutes.
3. Upgrade method Computer properties Windows upgrade anytime
Just follow the prompts and enter the Ultimate Edition key step by step. The Windows 7 Ultimate Edition key can be found on Baidu. You can also leave me a message and I will 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 there are no thumbnails yet, then you should update the graphics card driver.