2. And then Download "Windows Media Player Dolby Surround II Plugin" and set like "Pic2". (sorry i just can provide the link not the software)
3. Now go to your sound device (control panel - sound,speech and audio device - realtek HD sound effect manager).
4. Click on DOLBY PRO LOGIC II and DOLBY VIRTUAL SPEAKER! remember, turn off realtek EQ!
5. Set dolby pro logic II on setting icon on leftside, turn on MUSIC MODE and follow this setting on "pic3".
6. Now, go to dolby virtual speaker and click on REFERENCE MODE and follow this "pic4" setting.
7. Ollllaaaaa .... now you've got a best optimize sounds on your acer 4520/4530 (sorry for my bad english).
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