Mark Thanks for this. >try reinstalling and this time don't do the HDD optimization. I don't >think with a drive that big and a system as efficient as linux that you're >going to really need to worry about optimizing, and I suspect that there >is a small , but apparently noticable enough hardware conflict going on >there. I also suspect that it will all evaporate as soon as you install >without optimizing. I don't actually remember 'choosing' HDD optimisation! I'll have to go do it again... paying more attention this time :-). I don't think I'll get a chance to try it before Saturday but I'll let you know the result. Thanks again. Lance