I upgraded my win7 home to win7 professional and now i cant hear any sound it says no audio device is installed i searched a lot but i couldn't find it when i try to click scan for hardvare changes it searches and says (code 10) i dont know what that means i tried to reinstall realtek dont work 
my pc: processor amd sempron 2800+
video card:nvidia geforce 5200 fx
ram: DDR 400
motherboard:K8T Neo-V 1.0
my pc: processor amd sempron 2800+
video card:nvidia geforce 5200 fx
ram: DDR 400
motherboard:K8T Neo-V 1.0
My Computer
At a glance
Windows 7AMD sempronDDR 400Nvidia Geforce 5200 FX
- Computer type
- PC/Desktop
- Computer Manufacturer/Model Number
- MSI
- OS
- Windows 7
- CPU
- AMD sempron
- Motherboard
- K8T Neo-V1.0
- Memory
- DDR 400
- Graphics Card(s)
- Nvidia Geforce 5200 FX
- Hard Drives
- Samsung;WD800
- Antivirus
- none
- Browser
- Opera