Locking columns in Excel with a password helps you protect columns, prevent others from changing column content or editing columns,…
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How to lock, unlock iPhone without pressing the power button
If your iPhone or iPad has a broken power button, you can still lock the screen (or even reboot) using…
How to lock your Facebook profile so that only friends can see what you share
Facebook recently updated the personal page lock feature, including locking Facebook avatars from being copied by others, and also helping…
How to disable Notification Center on iPhone lock screen
By default, anyone can see the Notification Center on your iPhone or iPad, even when the device is in lock…
Why is there a lock icon on the pad and how to remove it?
Wondering why is there a lock icon on the drive in File Explorer? The following article will explain what that…