This will help if you installed a wrong driver
Realtek,
High,3 MB
Realtek High Definition Audio:
Realtek: ALC260/262
Realtek: ALC265/268 Realtek: ALC660/681 Realtek: ALC880/882 Realtek: ALC883/885/888 Windows 2000, Windows XP/2003(32/64 bits)
Driver onlyFile name: WDM_R147
Definition, Problems can arise when your hardware device is too old or not supported any longer
Audio,Try to set a system restore point before installing a device
Driver Realtek,OSSupport:Windows Size:24
High,Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games
Definition,exeIt is highly recommended to always use the most recent
Driver version available
Audio,