What does Scroll Lock do on keyboard?

On PC keyboards, a key used to toggle between a scrolling and non-scrolling mode. When on, the Arrow keys scroll the screen regardless of the current cursor location. This key is rarely used for its intended purpose, if at all. See PC keyboard.

What is the 3rd lock on keyboard?

Scroll Lock is a toggling lock key on the keyboard, just like the CAPS LOCK key. Once pressed, Scroll Lock is enabled. To turn it off, simply press the Scroll Lock key again.

What are the indicator lights on a keyboard?

An indicator is a light or LED that prompts the user to the status of a hardware device. Examples of indicators include the indicators for when the hard drive is working (reading/writing) and when the caps lock is enabled. The picture shows the three indicator LEDs on the keyboard.

How do I turn off Scroll Lock permanently?

Turn off Scroll Lock

1. Press the Scroll Lock key (Scroll Lock or ScrLk) on your keyboard. Done.
2. Click Start > Settings > Ease of Access > Keyboard > Use the On-Screen Keyboard (or press the Windows logo key + CTRL + O).
3. Click the ScrLk button.
4. Right click the status bar to display or to hide the Scroll Lock status.

What is Number Lock key?

The NumLock key changes the operation of the numeric keypad keys on a PC-style keyboard. When NumLock is active, usually indicated by a small light on the keyboard, the number keys on the keypad behave as numbers.

How do I turn off the third light on my keyboard?

Scroll lock is one of the more esoteric settings on a computer keyboard today. It’s often the third light on a keyboard, represented by a down arrow with a line under it on the keyboard. Turn the scroll lock light off by hitting the scroll lock button to toggle scroll lock mode itself off.

What are the 3 lights on a laptop?

Depending on what model is it those lights are actually indicator for your HDD activity, power or charging and standby. Most of the time the HDD light should be on or flashing telling you it’s doing something.

What are the three lights on a laptop?

Left light in on when PC is on and off when PC is off = Just that, indicates if computer is on or off. Middle light continually flashes, even when PC is shutdown = battery charge level is low. Charge it. Right light flickers = hard drive or optical drive are doing their job which is moving data.

What does F9 mean on keyboard?

F9 is shorthand for “Fine,” which is sometimes used in chat communication. 2. The F9 key is a function key found at the top of almost all computer keyboards. The key is most often used to open Mission Control on an Apple computer. F9 also has other uses depending on the computer and program, as mentioned below.