venny, no thinking or guessing. Ask to be sure.
jonathanhiew, download the latest drivers here:
http://www.ecs.com.tw/ECSWebSite/Downloads/DownloadFile.aspx?catid=1&driverid=1736&areaid=1&LanID=9Extract the contents of this zip file.
After extracting, you will see 4 folders:
1. Win2000 - This is for Windows 2000.
2. Win98SE - This is for Windows 98.
3. WinME - This is for Windows ME.
4. WinXP - This is for Windows XP.
Open the right folder. If you are using XP, open the WinXP folder.
In the folder, you will see a file with this icon:

Right click on it and select
Install.
Once done, restart your computer. Can you try playing your music files again.
Also, make sure that your speakers wires are plugged to the green port, not any other colours.