Download and install rootsh from extras. Open terminal and type root Then type vi /etc/mce/mce.ini Scroll down to this line: PowerKeyShortAction=menu Press I to enter input mode, remove menu and type tklock so that it's: PowerKeyShortAction=tklock Press CTRL+C to exit input mode Type :w to save the file then press Press CTRL+Z to exit Type stop mce then start mce Remember to remap the menu to something else (double click/long click w/e) P.S. don't use caps, if someone has an answer they'll post it