bionic363

Hi all, i went out and purchased an ATi Radeon Hd 4650 the other day to upgrade from my ATi Radeon x1300 series, popped the card in when i bought it installed all drivers from the cd and the card installed first time with no problems at all, I am running a Compaq Presario PC, with windows vista home premium 32 bit.
On my pc i am running a Creative SB X-Fi sound card, all my drivers btw are the most up to date that the websites offer for my stuff.
Anyways, after i installed the card i was testing how good my graphics looked when i put on some music to pass the time with windows media player, and the sound that comes out of my speakers now is all jittery is the best way i could describe it, it will play for a few seconds then stop and start constantly and if i open the ati catalyst control centre this seems to kill my sound completely for a while then it will come back all jittery again, it seems i can't do anything on my pc now withot it messing with my sound, ie explorer anything but it seems when i open the control centre this has the most dramitic effect.
I have tried removing my sound card and going back to the onboard built in sound and getting the latest update of realtek audio drivers from windows as i had heard that this may resolve the issue but again this has not worked for me.
From what i have read i beleive i might be getting a conflict from the hdmi features from my new ati radeon hd 4650 but i have tried all i know to fix this and cannot do it, please please somone help this has me stumped, and like most of us i need my music :) :), Thanks in advance Andy.

wrench97

Check in the Bios that the integrated audio is enabled and not set to auto as this will default to the ATI card or disabled.

bionic363

i have checked that the other day, my onboard audio was turned off at first but i turned it back on when i tried to switch back to it, it is on the on setting NOT the auto but i still seem to have the same problem :(

bionic363

my first lot of setting was, Creative SB Xfi connected with the onboard audio off completley = same jittery sound, then removed the creative card all together and set the bios to the on setting for the onboard audio = same jittery sound :(

wrench97

Look in device manager for HD sound and disable it.

bionic363

Thanks so m uch for your help the last trick seams to have done the trick, I'm a trance dj so good audio from my pc is essential lol :), anyone else who has had this prob go to control panel, go to system, select your device manager, drop down the system devices tab and disable high definition audio controller :). Thanks again for your help in solving this prob

wrench97

Glad to hear you have it working.