If you've reached this article anyway, you're looking for ways to fix thumbnail not showing up when opening a folder full of images. This makes it a little difficult to find the particular image you want to open. The thumbnail preview makes it easy to find images in the current folder. So, let's see how to fix this in just a few steps.
How to fix thumbnail not showing problem in Windows OS
Step 1: - First, open the control panel.
Step 2: - Once the control panel is open, find folder option. Now click Folder option To open it.
Step 3: - Now click display board. Now, uncheck the option called "Always show icons, never thumbnails".
4 phase: - Finally, click Apply.
Here you are. You just solved your problem.