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

Zach Zach (236)
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.

Apple hid the battery percentage option starting with Big Sur. Here's where it is.
Zach Zach (236)
5 minutes

I always keep an eye on my MacBook's battery percentage—especially since, as a developer, I run a lot of resource-intensive applications.