Thank you for the comments. I have tried reseating the keyboard to no avail, and mine bulges even when cold. I do have RAM in the upper slot, but if this was responsible for the bulge the keyboard wouldn't sag when the keys are pressed. I'll let you know how I get on at the Store. Jan A. Witkowski, Ph.D. Executive Director, Banbury Center Cold Spring Harbor Laboratory PO Box 534 Cold Spring Harbor NY 11724-0534 (516) 367-8398 (516) 367-5106 fax Editor-in-chief, "Trends in Biochemical Sciences" home page: http://www.cshl.org/banbury/witkowski.html Banbury Center: http://www.cshl.org/banbury DNA anniversary meeting: http://meetings.cshl.org/2003helix.htm