Hi All I have install a fresh copy of windows vista after installetion i have found sound probleme . it sayes no Audio outpud device is installed and the sound icon wich is next to the clock comes with the red crosse then i have check the device manager and there also everything is fine. then i just check the bios and th sound was auto and i have change it to the eneble but stil the probleme nothing is change so don't know how to fix it please help me . the computer info is------> Hp pavilion a6120a desktop motherboard number is 945gct-hm this is the info and withing for your help replay thnx in advance

You need to install motherboard chipset drivers, then the sound drivers, available from HP Support.

Hi pater ok this is the driver for my computer i mean page can you tell me please wich one should i download because in device manager nothing is under yallow qusation mark , i just dont know wich one is motherborad chipset if you tell me that will be great thnx in advance