My EP-3wtm could not hear sound at line out

soundcard problem solution
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1. Right click on Mycomputer, select properties
2. Select hardware
3. Select Device manager
4. double click system device
5. if any yellow color pointed is displayed on any option then right click on the option and uninstall it
6. then select Action from the menu bar on the top and select scan for hardware changes
7. then it will start scanning your new hardware and ask for the installation drivers.

I believe your problem may solve..

regards
Ehsanullah.