while we're on the subject, what exactly does 'optimal' refresh rate mean? what rate does your monitor actually get set to? Chuck Finnigan [log in to unmask] Subject: [PCBUILD] Wrong Refreshrate > Hallo to all on the list. I have a question regarding the shown refresh > rate on a Sony CPD 100 ES it's rated at 85 Hz. Running on a Ati Graphics > Pro PCI. 2MB When I set the refresh rate to optimal, the onscreen display > shows 100 Hz (shown when you press brightness or contrast) and I also see > light stripes on the monitor ( I see the picture clearly also but the > lighter lines running up and down the monitor are noticeable). To prevent > damage to the monitor I set the refresh rate down to 70 Hz and this works > for most of the programs except on some games. At first I thought that this > was a problem related to Direct X but using the override on the Direct X > diagnostic tool (also set to 70Hz) did not resolve the problem. Question is > has anyone seen this before and how did they solve the issue. Tools? or any > hints would be greatly appreciated PCBUILD maintains hundreds of useful files for download visit our download web page at: http://freepctech.com/downloads.shtml