Windows startup sound

Hello!

I have a serious problem with Intel display sound. I have in the control panel in sound set with Windows start sound. Has also set ThinkVision P27 as standard unit. But when I restart the computer, the startup sound still comes from the computer's internal speakers. All other sounds, system sounds or if I play audio files come from P27. Only the start sound does not work. A few times, however, the starting sound has come from the display sound, and sometimes just the end of the sound, the first half doesn't seem to make it. Then it changes and comes from the computer's internal speakers. Have checked the drivers. They're ok!

Regards, Per725