Which audio output are you using ? front panel or I/O ?
Did you connect the front case panel ? If so, have you ensured that you used the HD one ? Disconnect the front panel audio for now to check if a short may be causing this problem.
Did you connect the front case panel ? If so, have you ensured that you used the HD one ? Disconnect the front panel audio for now to check if a short may be causing this problem.
