Bill Judson wrote: > > Thanks for all the replies. My retention ring seems to be unduely > recalcitrant...I may have to take the top off, as recommended... > > Grizzlygiant, thanks for your offer but I believe I saved those > instructions somewhere. I also have the service manual & user manual. > > -- > Over, Hello Bill: As long as those instructions give you a procedure which allows you to remove the top cover _without_ taking the screen off, then good, otherwise, there is a little trick, which I picked up from a fellow powerbook lister who made his instructions freely available. Sincerely yours, Grizzlygiant