Mouth cold. Mouth cold: Introduction. Mouth cold: Abnormal sensation of coldness felt on the face. See detailed information below for a list of 3 causes of Mouth cold, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Mouth cold: Causes | Symptom Checker Â».
The enter key is typically located on the lower right of the numeric keypad, and the return/enter key on the right edge of the main alphanumeric portion of the keyboard, between backspace and the right-hand shift (and/or control) key (as well as below the backslash key on keyboards using a standard ANSI / US-International layout).
Short for Function, Fn is a key found on most laptop keyboards and some desktop computer keyboards to perform special functions such as turning up the screen's brightness, and adjusting speaker volume. As you can see in the image above, this laptop has an Fn key with a green and blue Fn.