see below… On May 20, 2008, at 1:52 AM, Christopher Collins wrote: > You don't say how you reinstalled Leopard, so I'll go with some > guesses. > > Bring the machine back to it's original RAM, new HDD and do an > "erase and install" installation of leopard. > > Download and Install 10.5.2 > > Let Software Update download all other updates. this is where i start getting the beach ball. you are right, i did and "erase and intall". i even "zero-ed" the drive! my RAM is fine. i installed it in my macbook pro and haven't had any issues. so yes, i'm begining to think it's the hard drive. thanks for the info… alexandre > > > If the system IS NOT working fine at this point, then the HDD is > probably at fault. > > If the system appears to be working fine at this point, then install > the extra RAM (altho I think you might find that is your problem.) > > To the best of my knowledge, the chip set used in all the current > iMacs supports only 2GB sticks of RAM. > > So you can install 2 * 2gb and get about 3.5GB (due to chip set > losses). I have done it here on my MacBook Pro C2D 17" (seems like > my MBP might match yours) and it works brilliantly well. > > And it's much cheaper than buying 3gb sticks too! > > cjc >