Turn Portrait Orientation Lock Off
Update Display Driver If the driver for the monitor is not updated, Windows 10 rotation lock greyed out will appear. Thus, you need to update the display driver.
On iPhone, Apple includes a Rotation Lock feature that when enabled locks the screen orientation so that it doesn't change when you rotate the device.
Turn on portrait mode on your device If Rotation Lock is grayed out or missing on your device, sometimes you just need to rotate it to portrait mode. After rotating your device, rotation lock should be clickable again.
How to Change iPhone Rotation Lock Without Opening Control Center
Rotation lock is located on the Control Center screen. Swipe downwards from the upper right corner of the lock screen, then you will see the Rotation lock icon. It looks like a padlock with a circular arrow around it.
To do this on an iPhone with a home button: Swipe up from the bottom edge of your screen to open Contol Center. Tap the Portrait Orientation Lock button to make sure that it's off. That's it.
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Use Your Machine in Tent Mode Some Dell Inspiron users found the only solution to rotation lock greyed out is to put the device in Tent Mode. If the display is upside down, it is OK. Then, go to Windows Action Center and you will find rotation lock is working. Just turn it off to let your device rotate properly.
The lock() property of the ScreenOrientation interface locks the orientation of the containing document to the specified orientation. Typically orientation locking is only enabled on mobile devices, and when the browser context is full screen.
Rotation lock mode works by showing a button in the navbar on device rotation changes. To accomplish this, the device's orientation sensor must remain active even when auto-rotate is off. Tapping this button effectively sets user rotation preference ( Settings.
If you have a convertible tablet or PC, Windows 10 can automatically rotate the display. The rotation lock is just like your smartphone's auto-rotate option. It allows or prevents your screen from changing orientations depending on whether the lock is disabled or enabled.
Apple iPad - Turn Screen Portrait Orientation Lock On / Off
Here's what to do:
To check and see if it works, open Safari or Messages app then try to turn your iPhone sideways. It should then switch to landscape mode. 4. To lock the screen orientation again, simply toggle to enable the lock screen orientation icon on the control center.