Probably because you did the upgrade with "Archive and Install" and it puts the old system in folder called "Previous System" that you need to delete now to get most of that space back. -- Taylor Barcroft New Media Publisher, Editor, Video Journalist, Podcaster, Futurecaster Santa Cruz CA, Beach of the Silicon Valley URL http://FutureMedia.org RSS http://feeds.feedburner.com/FutureMedia iTunes http://tinyurl.com/8ql87 barcroft (gizmo) kungax (Skype) kungag5 (iChat-AIM) On Apr 21, 2006, at 5:57 AM, Jerry Bunn wrote: > Upgraded to Tiger and now everytime I reboot, the remaining memory > on my Hard Drive changes dramatically. In fact right after > installing it dropped about 80 GB. I doubt if Tiger used that much > memory. > Any clues as to why my remaining hard drive space is so wrong? > Before upgrading I had about 140 GB left, now it shows 64 GB. > > Jerry