The sound card is built into the mother board. I am wondering if the output of phantom power necessary to power the mic could have fried something. I used an xlr/rca adapter from the mackie then ran the rca cables into a mini plug adapter that was plugged into the headphone jack. I know, could I make it more complicated? Then all I had to do was pot up the channel to hear the headphone output. This is when the problem occured. I didn’t notice it until I began trying to record my voice track and it was flatlining. I could hear my mic through the mackie and I could also hear the guitar track but my voice was not being recorded. I cracked open the case and peeked in. Nothing felt hot or was smoltering so I don’t think something fried but it still could have. I formatted the drive and did a clean install of the operating system and it still is having problems. So I guess yes, I did reinstall the drivers.