Try this 1
After installing your Operating System you are suppose to install all the drivers.
Go to your motherboard manufacture's website, download the drivers and install
I knew that my motherboard is of Intel.But I dont know about my series of Motherboard whether it is 810\815,845,865, or 915.please help me.
I installed realtek ac97 audio driver but it cannot work.In my control panel in Sound and Audio Properties my computer shows there is "no audio device".Please give me steps to resolve this problem.