Button behavior

This topic describes the expected behavior of hardware buttons.

Required and optional buttons in Windows 10

Operating system/devicePowerVolume up/Volume downStartBack/SearchCameraRotation lock
Windows 10 MobileRequired Required

Required for phones that use a WVGA display

Optional for all other devices

Required for phones that use a WVGA display

Optional for all other devices

OptionalNot supported
Windows 10 for desktop editions (Home, Pro, Enterprise, and Education)/TabletsRequiredRequiredOptionalNot supported Not supported Optional
Windows 10 for desktop editions/Other devicesRequiredRequired for devices with detachable keyboards. Optional for all other devices.OptionalNot supported Not supported Optional

 

For more information about button requirements:

Button behavior in Windows 10

Single button behavior in Windows 10

ButtonWindows 10 for desktop editionsWindows 10 Mobile
PowerPress and releaseToggle On/OffToggle On/Off
Press and holdLaunch Shutdown CurtainLaunch Shutdown Curtain
Long press and holdHard shutdownHardware reset
SearchPress and releaseNot supported Launch Cortana (in enabled markets)/Search
Press and holdNot supported Launch Cortana or Search with Voice
Volume upPress and releaseIncrement volumeIncrement volume
Press and holdAuto-repeat volume incrementAuto-repeat volume increment
Volume downPress and releaseDecrement volume Decrement volume
Press and holdAuto-repeat volume decrementAuto-repeat volume decrement
BackPress and releasePrevious app page/close appPrevious app page/close app
Press and holdLaunch Task switcherLaunch switcher UI
StartToggle Start screen Show Start screen
Rotation lockNot supported Not supported (there is a UI option)
Camera focusLaunch Camera application Handled by Camera app (focus)
Camera shutterHandled by Camera applicationLaunch Camera app / take picture

 

Button combination behavior in Windows 10

As noted, some button combinations in Windows 10 apply to the Windows 10 button architecture or the Windows 8.1 button architecture. All other button combinations in Windows 10 apply to either button architecture. It is recommended to describe hardware buttons using the Windows 10 architecture.

Button combinationWindows 10 for desktop editionsWindows 10 Mobile
Start + Volume Up Toggle on-screen narratorToggle on-screen narrator (provided that the corresponding ease-of-access setting is enabled)
Start + Volume Down Take screenshot Not supported
Start + Power Ctrl+Alt+Del (only if using Windows 8.1 button architecture)Not supported
Power + Volume Up Take screenshot (only if using Windows 10 button architecture)Take screenshot
Power + Volume Down Ctrl+Alt+Del (only if using Windows 10 button architecture)

Launch the Windows Feedback app

Hardware reset (after 10 sec)

 

Button behavior in Windows 8.1

Single button behavior in Windows 8.1

ButtonWindows 8.1Windows 8.1 Phone
PowerPress and releaseToggle On/OffToggle On/Off
Press and holdLaunch Shutdown CurtainLaunch Shutdown Curtain
Long press and holdHard shutdownHardware reset
SearchPress and releaseNot supported Launch Cortana
Press and holdNot supported Launch Cortana with Voice
Volume upPress and releaseIncrement volumeIncrement volume
Press and holdAuto-repeat volume incrementAuto-repeat volume increment
Volume downPress and releaseDecrement volume Decrement volume
Press and holdAuto-repeat volume decrementAuto-repeat volume decrement
BackNot supportedNot supported
StartToggle Start screenToggle Start screen
Rotation lockRelease: Lock rotationLock rotation
Camera focusNot supportedNot applicable
Camera shutterNot supportedNot applicable

 

Button combination behavior in Windows 8.1

Button combinationWindows 8.1Windows 8.1 Phone
Start + Volume Up Toggle on-screen narratorNot supported
Start + Volume Down Take screenshot Not supported
Start + Power Ctrl+Alt+DelNot supported
Power + Volume Up Not supported Take screenshot
Power + Volume Down Not supported Hardware reset (after 10 sec)

 

Related topics

Windows 10 button architecture
Minimum Hardware Requirements

 

 

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