Windows 10 - Show Thumbnails Not Icons FIX
49Show thumbnails for images not icons in Windows 10.
Windows 10 maintains a cache database with thumbnail images for every folder, document, video, and picture on your computer. This database is used to quickly display a preview of a file or to give you a glimpse of the content of a folder or file before you open it.
The problem with the "thumbnail cache" is that it grows over time as you create new folders and files, and sometimes the database will become corrupted. You'll notice this because File Explorer will display thumbnails incorrectly, some files may not show a thumbnail preview, or sometimes thumbnails may not be available at all.
Thankfully, Windows 10 includes a few ways to reset and rebuild the thumbnail.db hidden files containing the data to display file previews.
In this Windows 10 tutorial, we'll walk you through the process to recreate the thumbnail database using the Disk Cleanup tool and Command Prompt to solve this problem.
This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10, Windows 8/8.1, Windows 7 operating systems.Works for all major computer manufactures (Dell, HP, Acer, Asus, Toshiba, Lenovo, Samsung).