the ground tape is an extra part which is glued on top, so since you have to mainly reuse the old part BE REALLY EXTRA CAREFULL and try not to put your finger on the glue or you wont be able to reuse it neither...
So i did it with success - watch out there is 2kind of motherboards -
the audio was gone on mine ( got it replace once by apple (bought in 2006 replace in 2010 failed again in 2011 but no chance to replace it, so i repaired it ...thanks i fixit )
i found it useful to get an old credit card to help freeing the case, somehow the opening tool i add was made of really soft plastic - and yes i confirm it s quiet hard to open but afterwards it s snaping back into place quiet easily
on my version the longer screw was in the middle