Well, I did a little check again and saw that I misconnected the cable, I plugged the front speakers cable into the side sound connection. Maybe this is the reason why I can only hear sound from some sources and not all. Anyway, now I know this is a great place to ask for Windows support :)
Thank you guys for all the supports. After trying all the suggestions with no result, stayed up until 2AM and still couldn't fix it, feeling so desperate, I tried plug/unplug the speaker cables and bang, it works again :D
Recently, I just built a new computer system with the following specs: _i7 930 _Gigabyte X58A-UD3R _3x2GB ADATA RAM _Gigabyte 460GTX I connected my old speakers (SoundMax 5.1) to the new computer with all the required drivers installed from the bundled driver disks. However, as far as I...