Arne Yes you can put pretty much any 2.5" laptop hard drive in your TiBook. Of course it will need to be formatted to HFS+ first and then OSX installed. If you don't have an install disc you will need to get one. Simon On 20 May 2009, at 21:50, Arne Hulstein wrote: > Can I put a harddisk that used to live in a pc laptop in my tibook > to replace its dead harddisk? And how do I get MacOS 10.4 back on it > as it came installed with it and I have no cd's around here... Are > there tibook downloads? > > Arne > _______________________________________________ > Titanium mailing list > Titanium at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/titanium Simon Royal --- Visit my Mac site at http://www.simonroyal.co.uk. Or Skype me on 'Simon-Royal'. (Apple PowerBook G4 867Mhz, 1GB RAM, 80GB HD, SuperDrive. Mac OSX 10.5, 10.4 & 9.2.2...)