Steam Deck 101 - Basic Mouse Controls and How to Left & Right Click in Desktop Mode

Опубликовано: 26 Апрель 2026
на канале: Steam Deck Explained
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Today I'll give you some basic Steam Deck tips for controlling the mouse while it is in Desktop Mode.

Written Tutorial
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https://steamdeckexplained.com/steam-...

My Steam Deck Accessories (affiliate links below)
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Glass Screen Protector - https://amzn.to/410QlNU
TPU Case - https://amzn.to/3T5kV6R
Carrying Case - https://amzn.to/3Gk3MyZ
Portable Power Bank - https://amzn.to/3GpYe66

Summary
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Here we have a Steam Deck that's in Desktop Mode, and you could technically plug in a keyboard and a mouse to navigate around this stock KDE Plasma environment.

#steamdeck #valve #steam #steamos #steamdeckoled

But I suspect that most people will be popping into Desktop Mode for just a few minutes at a time in order to copy some files over or setting up a Steam Deck mod. And I just can't justify hooking up a mouse for these quick tasks.

So if you're like me, you are needing to learn how to control a mouse and Valve has set certain things up in an intuitive way while others take some getting used to.
As you can see here, we're able to control the mouse pointer by using the trackpad on the right hand side of the Steam Deck.

The left trackpad is used more for scrolling through menus.
But the right one will allow you to move the mouse pointer around.

Now, if you wanted to left click with the mouse, we're actually going to be using the R2 trigger button at the top here.
Some might suggest assigning this task to L2 would translate over more easily, but in practice the R2 trigger does feel more natural to me.

If you find yourself needing to right click something, then you'll need to press the L2 trigger button at the top of the Steam Deck.
It makes sense considering where Valve assigned the left click action, however, it did take some time before that flowed properly for me.

I still think there is a lot of work that can be done to Desktop Mode for the Steam Deck but Valve has shown that they are committed to the hardware and are more than willing to improve the core user experience however they are able to.