My motherboard is
Gigabyte GA-945PL-S3. So due cleanning I had to disconnect front audio panel wires. Then I installed Windows 7 on a new hard drive. But now I don't know how to plug the wires back. Well I plugged how I remember (hope didn't damage it) but Realtek HD Audio Manager can't detect speakers nor microphone at front panel, everything seems to be fine on back panel. This is what manual show:
This is how it was before (that worked - but can't see well)
From front panel comes these wires:
I have found the problem. It was in Realtek Manager itself. I had to disable "Detect front panel sound".