DualSense mute button on PC: how to make it actually mute you

On a PS5, the small button under the PS logo is one of the most useful things on the controller: one press and your microphone is off, the button lights up, nobody hears you any more. Plug the same DualSense into a Windows PC and that button becomes decoration. Press it as often as you like, nothing happens: not in Discord, not in your game, not anywhere.

Short answer: Windows receives the press but has no idea what to do with it, so it takes software that reads the button and mutes the microphone itself. BatteryOnPC does exactly that, for the whole system, with a notification to confirm. Below, why the button is ignored, why the classic workarounds disappoint, and which microphone you should actually be muting.

Why Windows ignores the button

Windows understands a gamepad through a shared convention: sticks, triggers, face buttons. Games reach those through standard interfaces, and the Xbox controller defines what a "normal" controller looks like on PC.

The mute button is a Sony addition. The DualSense does report it: the press travels in the same input reports as the rest of the controller, at a position Sony defined. But nothing in Windows looks there. No setting links it to the microphone, and Sony provides no PC driver that would do it for you.

The workarounds, and where they fall short

Muting in each application

Discord, your game's voice chat and your call software each have their own mute, usually on a keyboard shortcut. It works, one application at a time. Move from a game lobby to a Discord call and you are back to hunting for the right key, or the right window.

Remapping the button to a keyboard shortcut

Some remapping tools can turn the button into a key press, when they expose it at all. That shortcut then has to be declared as a mute key in every application, and a key that means "mute" in one program means something else, or nothing, in the next.

Muting the microphone in Windows itself

This is the approach that actually keeps the button's promise. When the microphone is muted at the Windows level, every application stops hearing you at the same moment, whatever it is. Nothing to configure program by program, and nothing slips through.

Which microphone should the button mute?

This detail catches a lot of people out. Windows has not one default microphone but two roles: the default device, used by most applications, and the default communications device, which voice apps such as Discord or Teams may use instead. On many PCs they are the same microphone. On a setup with a headset and a webcam, they often are not.

• Default microphone: the right choice with a single mic, or when everything goes through the same one.
• Communications microphone: the right choice when your voice apps use a headset while the rest of the PC uses another input.
• All active microphones: the safe choice when in doubt, since nothing can hear you once it is muted.

The classic Sound control panel shows which is which: in its Recording tab, one device is labelled Default Device, and another may be labelled Default Communications Device.

The trap: staying muted without knowing it

A system-wide mute has one side effect worth knowing. Windows remembers the microphone state from one startup to the next: mute it tonight, and it is still muted tomorrow morning, in a meeting where you are talking to nobody.

Two things prevent this: a visible indicator of the microphone state, and a rule that reopens the microphone at startup. Windows offers neither in a form you can read at a glance from the taskbar.

Turning the button into a real mute key

BatteryOnPC reads the DualSense mute button the same way it reads the battery, without sending anything to the controller, and mutes or unmutes the Windows microphone of your choice on each press. A notification confirms the new state every time.

It can also show a microphone icon in the taskbar, green when you are live and crossed out in red when you are muted, and reopen the microphone automatically when the app starts or when Windows shuts down. The icon and the automatic reopening work even without a controller.

One exception: if DS4Windows holds the controller in exclusive mode, no other program can read it, the button included. The article on DS4Windows explains how to sort that out.

The feature covers the DualSense and the DualSense Edge, over USB and Bluetooth. The DualShock 4 has no mute button, so there is nothing to read on it.