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the caps lock,num lock,or the scroll lock.
Congratulations. You've discovered Caps Lock.
The Caps Lock key is located on the left side of the keyboard, usually by the "a" key. Press it once to lock the caps, press it again to unlock. There should be an indicator that looks like a capital A inside a lock symbol, somewhere on your keyboard, that will tell you the status of Caps Lock.
The scroll lock key is located usually on the keyboard, mainly somewhere on the top or lower right.Original Answer: (from wikipedia)The Scroll Lock key was meant to lock all scrolling techniques, and is a remnant from the original IBM PC keyboard, though it is not used by most modern-day software. In the original design, Scroll Lock was intended to modify the behavior of the arrow keys. When the Scroll Lock mode was on, the arrow keys would scroll the contents of a text window instead of moving the cursor. In this usage, Scroll Lock is a toggling lock key like Num Lock or Caps Lock, which have a state that persists after the key is released.
A lock with a capital letter 'A' is a common symbol for caps lock. Just a reminder that it's in caps lock to prevent extra frustration
Once you click the caps lock key in the keyboard of your computer, it can make one or more letters capital.
turn the num lock off................
Either of the two shift keys on the keyboard.
The Caps Lock key is toggled of an off by pressing the button. When on, a light should display on your keyboard. While typing with Caps Lock on, all letters will be CAPITALIZED. Here is a sentence with Caps Lock turned off. HERE IS A SENTENCE WITH CAPS LOCK TURNED ON.
a computer keyboardKeyboard/Typewriter
They should go cell by cell. Check the keyboard is ok. If the arrow keys are part of the main keyboard, on other keys, check whether Num Lock is on or off. Check Excel options too.
The Shift key is used to type in capital letters. By holding down the Shift key and pressing a letter key, you can input the capital version of that letter.