Forum Discussion
Second display started to experience errors
Hi, menu corruption on only one monitor usually points to the GPU driver or display pipeline rather than the apps. On the LOQ 15IRX9 the internal screen typically runs on the Intel graphics while an external monitor can run through the NVIDIA GPU, which would explain why only the 2nd display is affected. Things to try, in this order:
- Disable Multiplane Overlay (MPO): open regedit, go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Dwm, create a DWORD (32-bit) named OverlayTestMode with value 5, then restart. Delete the value to undo. This is a common fix for menu/overlay glitches on multi-monitor NVIDIA setups.
2. Clean-install the NVIDIA driver: download the latest driver from nvidia.com or Lenovo support, choose Custom install and tick "Perform a clean installation" (DDU in Safe Mode is the more thorough option). Also update the Intel graphics driver from Lenovo.
3. Turn off Hardware-accelerated GPU scheduling: Settings > System > Display > Graphics > Default graphics settings, then restart.
4. Check the connection: try a different cable or port (HDMI vs USB-C/DisplayPort) and set the 2nd display to 60 Hz under Advanced display.
5. Try switching GPU mode (Hybrid vs Discrete) in Lenovo Vantage or BIOS.
6. Test with a new Windows user profile. If the glitches disappear there, it is profile related; if not, it is the driver.
If none of that helps, run sfc /scannow followed by DISM /Online /Cleanup-Image /RestoreHealth. Let us know which step (if any) fixes it.
Hi, menu corruption on only one monitor usually points to the GPU driver or display pipeline rather than the apps. On the LOQ 15IRX9 the internal screen typically runs on the Intel graphics while an external monitor can run through the NVIDIA GPU, which would explain why only the 2nd display is affected. Things to try, in this order:
- Disable Multiplane Overlay (MPO): open regedit, go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Dwm, create a DWORD (32-bit) named OverlayTestMode with value 5, then restart. Delete the value to undo. This is a common fix for menu/overlay glitches on multi-monitor NVIDIA setups.
2. Clean-install the NVIDIA driver: download the latest driver from nvidia.com or Lenovo support, choose Custom install and tick "Perform a clean installation" (DDU in Safe Mode is the more thorough option). Also update the Intel graphics driver from Lenovo.
3. Turn off Hardware-accelerated GPU scheduling: Settings > System > Display > Graphics > Default graphics settings, then restart.
4. Check the connection: try a different cable or port (HDMI vs USB-C/DisplayPort) and set the 2nd display to 60 Hz under Advanced display.
5. Try switching GPU mode (Hybrid vs Discrete) in Lenovo Vantage or BIOS.
6. Test with a new Windows user profile. If the glitches disappear there, it is profile related; if not, it is the driver.
If none of that helps, run sfc /scannow followed by DISM /Online /Cleanup-Image /RestoreHealth. Let us know which step (if any) fixes it.