Check that you installed the proper drivers for your sound device. If the sound is integrated to the motherboard go to the motherboard...
Not sure how you can change the display order but here's how to roll backt to Windows media player 10 if you wish :...
During startup XP uses a lower resolution than when you're within Windows. Try to lower the resolution to 800x600 or 640x480 in your display...
What's the brand and model of your motherboard ? Uninstall the device from the device manager and it will be redetected when Windows restarts....
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