Hell and welcome to the windows7forums,.
Most all of us agree that an upgrade is not the route to take. It leaves useless files on your system and can cause conflicts.,. which you are no expensing.
Save all you Documents, Pictures, contacts, videos, music, etc to a flash drive,
Be aware, you will need to re-install your 3rd party applications.
Could you please fill in your computer specs in the UserCP link at the top left hand side of the page.
Then click Edit Your Details.
This freeware program will give you all the information you will need:
SIV (System Information Viewer) 4.03
Could you give us the exact make and model of you sound card