How to increase volume when playing DVD on Acer laptop

When playing DVD with Arcade, the output volume is very low, but the volume of other sounds is normal.

Acer 4560G-6344G64Mnkk

Restore audio playback volume:

1. Click Start and then click Control Panel.

2. Under the Control Panel, double-click the Sound Manager.

3. In the AC97 audio configuration window, select the Sound Effects tab.

4. In the Karaoke section, clear the Voice Cancellation checkbox, and then close all windows.

5. Restart Arcade and play the DVD. The audio playback volume should now be back to a level close to the volume of other sounds.