To use alt key codes for keyboard symbol shortcuts, you'll need to enable this. Many laptop keyboards don't have a number pad ...

ALT codes are used to enter special characters and symbols on your PC. These are combinations of the ALT key and numeric keys ... If these steps don’t work, consider seeking professional ...

And if your keyboard doesn't have a numpad ... than a second with the proper key presses. Shortcut Character Unicode Description Emoticons, Bullets, and Symbols Alt + 1 Smiley Face Alt + 2 ...