SuSE 8.0 Problem With Display

Haven't yet had time to resolve the printer-via-network problem but a display has become bad enouigh to become a higher priority. When using about any x-windows app the screen does not paint properly. In SO 5.2 I get multiple copies of the toolbar, one stacked upon another, in Konq. there are patches of the screen, esp. lower right, with multiple bars across them. If I minimize and run Restore Desktop things clear up temporarily but reappear. There are some dim artifacts on the screen when KDE 3.0 first opens but nothing like those that appear when an app opens. I have run YaST update as recently as last evening, so I should have the latest and greatest of anything on the automatic update list. Thoughts, please? Thanks! doc