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  2. Lock key - Wikipedia

    en.wikipedia.org/wiki/Lock_key

    On these devices, a Fn modifier key is used to combine keys to save room and add non-standard functionality; a common use is merging the row with keys F1- F12 with keys that adjust settings such as display brightness, media volume and playback, and keyboard illumination. Fn Lock toggles the default output of these keys.

  3. System request - Wikipedia

    en.wikipedia.org/wiki/System_request

    A 104-key PC US English keyboard layout with System request circled. System Request (SysRq or Sys Req) is a key on personal computer keyboards that has no standard use. Introduced by IBM with the PC/AT, it was intended to be available as a special key to directly invoke low-level operating system functions with no possibility of conflicting with any existing software.

  4. Scroll Lock - Wikipedia

    en.wikipedia.org/wiki/Scroll_Lock

    The scroll-lock key with an activated indicator light on an IBM Model M keyboard. Scroll Lock (⤓ or ⇳) is a lock key (typically with an associated status light) on most IBM-compatible computer keyboards. Depending on the operating system, it may be used for different purposes, and applications may assign functions to the key or change their ...

  5. Windows key - Wikipedia

    en.wikipedia.org/wiki/Windows_key

    Windows 95 required the key to be on a keyboard to get the "Designed for Windows" logo, and used it to bring up the Start Menu. It was quickly added by virtually all desktop keyboard manufacturers. The first laptop to bear Windows keys on its keyboard was the Gateway Solo. [4]

  6. ThinkLight - Wikipedia

    en.wikipedia.org/wiki/ThinkLight

    ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM, and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013. [1]

  7. Windows 10, version 21H2 - Wikipedia

    en.wikipedia.org/wiki/Windows_10,_version_21H2

    The Windows 10 November 2021 Update [1] (codenamed "21H2" [2]) is the twelfth major update to Windows 10 as the cumulative update to the May 2021 Update. It carries ...

  8. Keyboard technology - Wikipedia

    en.wikipedia.org/wiki/Keyboard_technology

    An optical keyboard technology utilizes light-emitting devices and photo sensors to optically detect actuated keys. Most commonly the emitters and sensors are located at the perimeter, mounted on a small PCB. The light is directed from side to side of the keyboard interior, and it can only be blocked by the actuated keys. Most optical keyboards ...

  9. Table of keyboard shortcuts - Wikipedia

    en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

    Windows 10: ⊞ Win+x > u > s. Windows 7: ⊞ Win+→+→+↵ Enter. Sleep (available on some keyboards) ⌥ Opt+⌘ Cmd+Eject: Sleep (available on some keyboards, configurable in Control Panel Power Options Advanced tab dialog box) Shut down computer Windows 10: ⊞ Win+x > u > u: Ctrl+⌥ Opt+⌘ Cmd+Eject (no confirmation, shutdown is immediate)