ऐजन ऐजन Reddy and Echoes + 1 more: Jetha, If it is only when you are viewing webpages and not at other times such as office documents, then there is a chance that your JVM (java virtual machine) is screwing up the resources. if ur operating system is XP and the JVM is from Sun then in pages using 'java applets' (like some types of online photo-albums, media players etc) such issues may arise. Is there a little icon of 'hot coffee cup' in your task bar? If all the conditions i said are met, get rid of the java-machine from Sun Microsystems and install the one from Microsoft. Else, it should be hardware or driver-related as echoes said. Keep rolling...