On 10/24/06, at 6:46 AM, Jerry Krinock jerry at ieee.org said: >on 06/10/23 7:03, Dr. Trevor J. Hutley at TrevorHutley at consultant.com wrote: > >> I had >> relatively few problems, but the occasional kernel panic or freeze > >Actually, Trevor, you have bolstered my assertion. This problem you were >having is indeed indicative of bad RAM. The problem Tom is having is >different, and therefore indicates a different problem. Back to the original (occasional) problem of dark screen and sleep light when attempting to startup, I found this <http://docs.info.apple.com/article.html?artnum=303083> Other problems were a lit screen and startup chimes again and again until I shut the unit down, and a couple of kernal panics. Since I had already switched my 2 one-gig sticks of RAM, I have contacted the people the RAM came from and asked if I could send the 2 gigs back to them for testing. No response yet. Tom Miller .................................................. "The only time we see the middle of the road is as we run from side to side." R.O.Clark ...................................................