I use both a wall charger and a car charger, never have used a USB cable with the computer. I'm not 100 certain, but I do believe it changed itself pretty often while I was charging. Highlight one file and press F2 on your keyboard to rename it and add the ‘.jpg’ extension at the end.Īfter renaming the file and adding ‘.jpg’ at the end of it, you should be able to double-click the file to open it in Windows Photos or your preferred image viewer. When the wallpaper/theme was changing on its own, I was using a live wallpaper (a 'GO' wallpaper, Lord of the Rings themed and Blue Planet).Navigate to the directory where you pasted the files.Copy the selected files to your desktop or another folder on your PC.Select one or two of the files with the larger file sizes (typically higher than 400KB.).The files are JPEG images with unique names. Now, we just need to make sense out of this mess of data that you just found. Make sure the Size column is enabled to help you identify the correct images.Here’s how to identify the right wallpaper files. These are typically the images with the largest file sizes. If you’re planning to use any of the Windows Spotlight images on your desktop PC or laptop, you’ll want the desktop-sized versions of these images.

These files are your Windows Spotlight lock screen images, listed in a variety of sizes and formats. This free app automatically downloads a new Bing wallpaper every day and sets it as your desktop and lock screen wallpaper. Since Windows 10 has no built-in options to change wallpaper every day, we are going to use Dynamic Theme, a free app from Microsoft Store. In File Explorer, navigate to: This PC > C: > Users > AppData > Local > Packages > _cw5n1h2txyewy > LocalState > Assets.Īt this point, you should see an Assets folder with a whole bunch of files without any file extensions. Automatically Change Wallpaper in Windows 10.Click Apply to save the change, then click OK to close the Folder Options window.In the Advanced Settings list, click the button labeled Show hidden files, folders, and drives.In the Folder Options window that appears, select the View tab.Find and click Options on the far right of File Explorer’s ribbon toolbar (you may need to adjust the size of File Explorer to see it).Open File Explorer and click the View tab.

Wallpaper changed without me doing it