windows 10 screen black after changing theme

Scroll down this page, and you can decide where you want the accent color to show up ⑦.You can also turn on or off Transparency effects ④. In Colors, you can choose the window color as Light, Dark, or Custom ③.If you would like to change the way the picture displays on the background, you can select Fill, Fit, Stretch, Tile, Center, or Span in the Choose a fit section ⑤.You can also select ④ to choose other pictures as the desktop background. In Background, you can select a picture, solid color, or create a slideshow of pictures ③.In Themes, you can select a built-in theme of Windows ③, or click ④ to get more various and colorful themes from Microsoft Store to personalize your computer.You can directly apply the built-in theme of Windows, or get more themes in Microsoft Store. Theme is a combination of background image, window color, and sounds. (The option of Start and taskbar is only available while the color sets to dark.) In accent color, you can let Windows automatically pick an accent color from your background ⑤, or choose your own color adventure ⑥.In Colors, you can choose your mode as Light, Dark, or Custom ③.If you would like to change the way the picture displays on the background, you can select Fill, Fit, Stretch, Tile, Center, or Span on the Choose a fit for your desktop image field ⑤.On the Personalize your background filed, you can select a picture, solid color, or create a slideshow of pictures ③.Type and search in the Windows search bar ①, and then click ②.Please go to the corresponding instruction based on the current Windows operating system on your computer:

Windows 10 screen black after changing theme