You want to disable home button on Steam because you’re used to making it pop-up to the home screen on console but doesn’t do the same on PC, right? Me, too. If for whatever reason you’ve been wanting to stop Steam for activating automatically whenever you press the Home button on your gamepad for PC, there’s actually a simple method that’s been implemented recently but its not found in Steam’s main menu but in Big Picture Mode itself.
Disable Home Button – Quick Fix
To disable Steam Big Picture from activating when you press the Home button on your Xbox controller or PS4 DualShock 4 gamepad on your PC, you just need to uncheck a simple setting while in Big Picture mode. To do this start Steam Big Picture mode, click the gear button for settings in the upper right corner and locate the following option:


Inside Controller Settings, uncheck “Guide Button Focuses Steam”


This will now disable the Home button on your gamepad from activating Big Picture Mode.
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LIES it still opens big picture
Yeah I cried over it for days then it worked.
Still opens my big picture also. Your tears are wasted.
A Steam user found a solution:
http://steamcommunity.com/groups/bigpicture/discussions/1/846939071346659003/?tscn=1447541997#c35221031602951514
It works perfectly for me 🙂
Doesn’t work.
For all you PS4 controller users just turn off PS4 config support and download DS4Windows and rebind the button to anything else in the settings
How to permanently disable big picture mode?
The easiest way to get rid of BPM is to opted out of Steam Beta… Follow this link on how to opted out of Steam Beta –
https://steamcommunity.com/sharedfiles/filedetails/?id=182912431
It worked for me, hope it works for you…
LMAO YOU’RE GOD!
For all you folks that say it don’t work, stop double pressing on your home button to “check” if it works. This guide disables the 1-press home button activation of Steam Big Picture, not double press where there is sadly no way around aside from completely disabling Steam Big Picture by other means or disabling console pad support.
Nice try, but steam just re-checks it and keeps it opening. Plus, once steam gets a hold of that guide button it doesn’t do the function it did previously.