Question: what is fn key in dell laptop?
Answer: Function keys on Dell laptop requires Fn+F1-F12 (default is multimedia/oem key) In most dell laptop (e.g. Studio 1555, Inspiron 1545, Inspiron 3000, Inspiron N5010 etc) the F1 - F12 keys at the top of the keyboard are dual function with Multimedia/OEM keys such as volume and screen brightness etc.