How to reformat my sony vio laptop

wakidah Posts 1 Registration date Sunday July 15, 2012 Status Member Last seen July 15, 2012 - Jul 15, 2012 at 10:06 PM
my sony vio laptop - vpceb14EN-is not working properly after it was infected with viruses.i cleaned it & i git the following problems,starting wjd 7 the computer freez & i cannot use the mouse to do anything.on the safe mode with networking i have no sound & there is x mark on the speaker.i tried to format it to factory setting but i couldnt because the vio recovery center is not can you help me to solve these problems