Hello Vinayak, > 1. Even though I set it as default audio driver in sounds but I > cannot hear any output sound. I can see the sound waves being > displayed in the playback tab of the Sounds dialog, but no actual output is > observed. You definitely must carefully learn about Windows audio subsystem from the beginning. Regards, Eugene ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/