hi all, i have an HP DV1600 Series laptop, i am having issues with the sound not comming out of the built in speakers, audio drivers are correct and updated, headphone jacks work fine, the only time i get audio out the speakers is for a split second when i unplug the headphones, and sometimes at random 1 or both work for a few minutes, i know the speakers work cause i get sound for a second, i know drivers are fine cause i get sound from jacks anytime i need, please help!