How to Fix Your Mac's Gray Desktop Background Image Issue

Zach Zach (248)
2 minutes

I hooked up my external monitor today and found that its desktop background had been replacement by a grey image. I tried going into System Preferences and setting the background image again but it remained grey. Here's how to fix the problem when it occurs.

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Navigate to Applications > Utilities > Terminal.

killall Dock

This command will restore your background image.

Learn to change your Mac's background!
2 minutes

I love customizing my Mac, changing my Mac's wallpaper or background is a big part of that. I tend to change my Mac background with my mood, the seasons, and my ever-fluctuating interests.