Display problems on 11th gen Intel processors with Iris Xe

Verify you have an 11th generation Intel chip with Iris Xe graphics

• Verify the CPU

• 1. Right-click the menu.
  2. Click System.

   

  The System window will call out whether the computer is using Intel's 11th generation chip.

• Verify the GPU

• 1. Right-click the menu.
  2. Click Run.
  3. Type dxdiag.
  4. Click OK.
  5. Choose in the affirmative of any questions asked.
  6. Click the Display tab.

   

  Under Name will appear the name Iris(R) Xe Graphics.

Disable Hardware Acceleration

Hardware acceleration needs to be disabled if you have an 11th generation Intel chip with Iris Xe graphics and are experiencing the described problems.

The command disables hardware acceleration for WPF applications only (which is most likely only Logos), not your whole system.

1. Quit Logos.
2. Right-click the Start menu .
3. Click Command Prompt¹ .
4. Copy and paste the following into the Command Prompt and press the Enter/Return key.

5. reg add HKCU\SOFTWARE\Microsoft\Avalon.Graphics /v DisableHWAcceleration /t REG_DWORD /d 1

6. Open Logos.

Re-Enable Hardware Acceleration

Use the steps below to Re-enable hardware accleration if needed.

1. Quit Logos.
2. Right-click the Start menu .
3. Click Command Prompt¹ .
4. Copy and paste the following into the Command Prompt and press the Enter/Return key.

5. reg delete HKCU\SOFTWARE\Microsoft\Avalon.Graphics /v DisableHWAcceleration

6. Open Logos.

¹The Command Prompt window should not be opened as an administrator. Do not choose Command Prompt (Admin).