Just had the same problem. What did you do? Is the problem solved? Can't figure out if it is a software or hardware problem. N.B the only program that changed is that i installed Kaspersky Internet security 2012 trial version.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.