Uploaded February 2026 | Updated September 2026, 1 week ago

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Restore your SteamOS desktop taskbar and fix missing panels on Steam Deck, Legion Go S, and Steam Machines. In this Steam Institute 101 lab, we provide an emergency fix for deleted KDE Plasma taskbars and teach you how to customize widgets for the ultimate SteamOS experience.

Whether you are looking for the SteamOS desktop mode command to reset your configuration or want to learn how to build a custom taskbar from scratch, this tutorial has you covered.

This is a do and teach video. Use the Chapters to navigate around.

Chapter Jumps:
00:00 - Disclaimer
00:05 - Intro
00:23 - Bumper
00:28 - Resetting Your Desktop
01:47 - Intro to Plasma Desktop
02:14 - Icons, Widgets and Panels OH MY!
02:38 - Recovering a Deleted Task Panel
03:00 - Trashed Panel? Let's fix!
03:20 - Class Is In Session!
03:35 - Properly Setting Up Your Screens
04:43 - Global Scaling
05:20 - Desktops
05:30 - Quick Wallpaper Change
05:40 - Understanding Icons
06:14 - Wonderful Widgets
07:06 - Pontificating on Panels
07:25 - Deconstructing the Task Panel
08:10 - Creating a Task Panel from Scratch
08:42 - Panel Building Montage Begins
09:17 - Montage Is Complete!
09:25 - Moving Panels Around (to Other Screen)
09:52 - Repositioning Panels
10:03 - The EASIER Way?
10:33 - Backup Your Config!
10:48 - Finishing Up

Konsole Command Mentioned:
killall plasmashell && kstart plasmashell

Config File Path:
~/.config/plasma-org.kde.plasma.desktop-appletsrc

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