I may be being really stupid here, I'm not so sure, but I installed the windows 7 RC and everything is fine except that there is no sound. In device manager I tried to update the driver but it says that the driver is up to date. I then tried to change the volume, where it said that there was no audio device installed. The device manager says that the speaker is unplugged, but they are laptop speakers so I don't know what to do to plug them in. Could anyone offer any help?