known issues
In a multi-display configuration where both HDMI/DisplayPort audio ports are enabled,
only the primary display will provide the audio.
One Audio-enabled Port
In a multi-display configuration where only one audio port is enabled, such as when one
display is a DVI display, then the HDMI/DisplayPort display can provide the audio
whether is it the primary or secondary display.
Flat Panel Scaling Controls Not Functional for Some TV
Modes in Some Displays
The NVIDIA Control Panel flat panel scaling controls on the “Adjust Size & Position”
page are not intended to be used for TV modes, and normally the controls are not
available for TV or HDTV displays.
However, Microsoft requires that certain TV/HDTV modes be available for all digital
displays, including DVI and HDMI, even if they are not HDTV.
While the NVIDIA flat panel scaling controls are available for those displays, they will
not be functional for the TV modes that appear in compliance with the Microsoft
requirements. The affected modes are as follows:
1920 × 1080i @ 50/59.94/60 Hz
1280 × 720p @ 50/59.94/60 Hz
720 × 480p @ 59.94/60 Hz
720 × 576p @ 50 Hz
GPU Runs at a High Performance Level (full clock speeds) in
Multi-display Modes
This is a hardware limitation with desktop and older notebook GPUs, and not a software
bug. When multiple displays are connected and active, the GPU will always operate with