![]() Similarly, combinations of F3 and Ctrl or Shift key perform other different tasks. F3 is used to open the search option at Windows desktop. While it is also used to enter in BIOS setup when pressed at the time of starting of a laptop or computer. Same as F2 key is used to re-name any selected object, file, icon or shortcut, etc. In the Windows Operating System, in an open and active window, you press the F1 key, it provides you help about that. Like the F1 key is used as the “Help” key. Normally, standard operations that are performed by these function keys are pre-defined and specific. The function which is performed by these FN keys can be different in different operating systems or some special application software. These keys act as shortcuts, for performing some special tasks which include saving files, maximize or minimize web browsers, and refresh the page. On the keyboards of laptops, as well as keyboards used with desktops or PCs, a topmost row is referred to as Function keys row which has 12 special task keys labeled as F1 to F12. How do I lock and unlock the FN key? Function keys are special keys to perform system-related tasks instantly without going anywhere in settings or control panel or no combination of different keys is required to perform the desired system task. ![]()
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