hello. i have a radeon r9 380 card. im using a total of 2 monitors and a tv for display. the tv is connected with the hdmi port. when i just updated to the latest drivers my sound no longer works when i change my stereo to the hdmi for my tv. i have tried everything except reformat my computer to get this working. anyone have any ideas what to try next before i refert to formating this thing and starting over from scratch.