Artikel 12/15/2021
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This topic describes the expected behavior of hardware buttons.
Operating system/device
Power
Volume up/Volume down
Start
Back/search
Camera
Rotation lock
Windows 10 Mobile
Required
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
Optional
Not supported
Windows 10 for desktop editions (Home, Pro, Enterprise, and Education)/Tablets
Required
Required
Optional
Not supported
Not supported
Optional
Windows 10 for desktop editions/Other devices
Required
Required for devices with detachable keyboards. Optional for all other devices.
Optional
Not supported
Not supported
Optional
For more information about button requirements:
Button
Activity
Windows 10 for desktop editions
Windows 10 Mobile
Power
Press and release
Toggle On/Off
Toggle On/Off
Power
Press and hold
Launch Shutdown Curtain
Launch Shutdown Curtain
Power
Long press and hold
Hard shutdown
Hardware reset
Search
Press and release
Not supported
Launch Cortana (in enabled markets)/Search
Search
Press and hold
Not supported
Launch Cortana or Search with Voice
Volume up
Press and release
Increment volume
Increment volume
Volume up
Press and hold
Auto-repeat volume increment
Auto-repeat volume increment
Volume down
Press and release
Decrement volume
Decrement volume
Volume down
Press and hold
Auto-repeat volume decrement
Auto-repeat volume decrement
Back
Press and release
Previous app page/close app
Previous app page/close app
Back
Press and hold
Launch Task switcher
Launch switcher UI
Start
Toggle Start screen
Show Start screen
Rotation lock
Not supported
Not supported (there is a UI option)
Camera focus
Launch Camera application
Handled by Camera app (focus)
Camera shutter
Handled by Camera application
Launch Camera app / take picture
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 combination
Windows 10 for desktop editions
Windows 10 Mobile
Start + Volume Up
Toggle on-screen narrator
Toggle 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
Action
Windows 8.1
Windows 8.1 Phone
Power
Press and release
Toggle On/Off
Toggle On/Off
Power
Press and hold
Launch Shutdown Curtain
Launch Shutdown Curtain
Power
Long press and hold
Hard shutdown
Hardware reset
Search
Press and release
Not supported
Launch Cortana
Search
Press and hold
Not supported
Launch Cortana with Voice
Volume up
Press and release
Increment volume
Increment volume
Volume up
Press and hold
Auto-repeat volume increment
Auto-repeat volume increment
Volume down
Press and release
Decrement volume
Decrement volume
Volume down
Press and hold
Auto-repeat volume decrement
Auto-repeat volume decrement
Back
Not supported
Not supported
Start
Toggle Start screen
Toggle Start screen
Rotation lock
Release: Lock rotation
Lock rotation
Camera focus
Not supported
Not applicable
Camera shutter
Not supported
Not applicable
Button combination
Windows 8.1
Windows 8.1 Phone
Start + Volume Up
Toggle on-screen narrator
Not supported
Start + Volume Down
Take screenshot
Not supported
Start + Power
Ctrl+Alt+Del
Not supported
Power + Volume Up
Not supported
Take screenshot
Power + Volume Down
Not supported
Hardware reset (after 10 sec)
Windows 10 button architecture Minimum Hardware Requirements