<html><head></head><body style="color: rgb(0, 0, 0); font-size: 14px; font-family: Verdana, sans-serif; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>What processor does your Ti have ? </div><div>it should work fine with 10.3, so having those kind of video issues could a number of things.</div><div><br></div><div>Also, the install you have for leopard…10.5, you said it was 10.5.3 ? is this a true retail copy or an original install disk from another machine ?</div><div><br></div><div>some of this will help info will help to understand why you are having problems. </div><div><br></div><div>you could also reset the PMU, go here to see the instructions, and it might clear up the issues.</div><div><br></div><div><a href="http://support.apple.com/kb/HT1431">http://support.apple.com/kb/HT1431</a></div><div><br></div><div><br></div><div>also reset the PRAM, holding down the option/cmd/P/R keys all at the same time when you restart…keep holding them, it should into a restart loop…keep holding and let it restart over and over, 4-6 times, let go and let it boot.</div><div><br></div><div>see if this helps and send me the other info</div><div>sorry you are having problems with this.</div><div><br></div><div>Cheers!</div><div>Fred</div></body></html>