Answer

Please follow these steps:
1. Right-click on the Sound icon in System Tray.
2. Select "Playback devices".
3. Plug-in your headphone and switch to "HiFi Headphone" when the menu pops up.
4. Double-click "HeadPhone/Digital Output" and find "Advanced" page.
5. Uncheck the option (Please refer to the attached picture): "Allow applications to take exclusive control of this device".
6. Reboot the system.

Reference

Models

  • GT72 6QE Dominator Pro G Tobii
  • GT72 6QD Dominator G Tobii
  • GT72S 6QF Dominator Pro Heroes Special Edition(4K)
  • GS72 6QE Stealth Pro(4K)
  • GT72S 6QD Dominator Heroes Special Edition(4K)
  • GT72S 6QF Dominator Pro G 29th Anniversary Edition
  • PX60 6QE
  • GT72 6QD Dominator Heroes Special Edition(4K)
  • GS60 6QD Ghost
  • GT72 6QE Dominator Pro Heroes Special Edition(4K)
  • GT80S 6QD Titan Sli Heroes Special Edition
  • PX60 6QD
  • GT72S 6QD Dominator G Tobii
  • GS60 6QC Ghost
  • GS60 6QE Ghost Pro(4K)
  • GT72S 6QD Dominator G Heroes Special Edition
  • GT80S 6QE Titan SLI
  • GT72S 6QF Dragon Edition G 29th Anniversary Edition
  • GT80S 6QF Titan SLI 29th Anniversary Edition
  • GT72S 6QF Dominator Pro G Heroes Special Edition
  • GS70 6QE Stealth Pro
  • GT72S 6QE Dominator Pro Heroes Special Edition(4K)
  • GT80S 6QE Titan Sli Heroes Special Edition
  • GT72 6QD Dominator G
  • GT72 6QE Dominator Pro G
  • GT72S 6QE Dominator Pro G Heroes Special Edition
  • GT72S 6QE Dominator Pro G Tobii
  • GT80S 6QF Titan SLI Heroes Special Edition
  • GS40 6QE Phantom
  • GT72S 6QD Dominator G
  • GT72 6QD Dominator G Heroes Special Edition
  • GT72 6QE Dominator Pro G Heroes Special Edition
  • GT80S 6QD Titan SLI
  • GT72S 6QE Dominator Pro G