Windows 8.1 Known Issues:

- [VR Direct]: Tearing/corruption may occur when playing VR content while changing display resolutions on the non-VR display, or after opening several VR applications in succession. To work around, go to the Microsoft Component Services panel, then stop and then restart the “Oculus VR Runtime service”.
- With a 3DTV connected and the resolution set to an HD3D resolution through the NVIDIA Control Panel, the display flickers constantly after installing the driver via INF over driver version 320.49. [1315116]
- [3DVision] While a stereoscopic 3D video with stereoscopic 3D enabled is played, the monitor refresh rate switches to 60 Hz after changing the resolution using the Windows control panel. [1314811]

Windows 8 Known Issues:

- [VR Direct]: Tearing/corruption may occur when playing VR content while changing display resolutions on the non-VR display, or after opening several VR applications in succession. To work around, go to the Microsoft Component Services panel, then stop and then restart the “Oculus VR Runtime service”.
- [Optimus, Notebook] After installing the driver, the Device Manager includes an entry for the NVIDIA Virtual Audio Device but the entry has a yellow bang. The NVIDIA Virtual Audio Device is not needed nor used on Optimus notebooks, so there is no effect on your notebook function. To remove the yellow bang, reboot your notebook.
- With a 3DTV connected and the resolution set to an HD3D resolution through the NVIDIA Control Panel, the display flickers constantly after installing the driver via INF over driver version 320.49. [1315116]
- [Video, Notebook, Hulu Desktop] When attempting to play videos using Hulu Desktop, there is audio but no video. [1000017]
- [Video, Notebook, Internet Explorer, YouTube] The NVIDIA Control Panel ...