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Ubuntu OS Unable to Detect Intel Integrated Graphic Processing Unit (iGPU) and Dedicated Graphic Processing Unit (GPU).

Content Type: Troubleshooting | Article ID: 000089382 | Last Reviewed: 09/01/2022

Description Resolution

Description

Connected dedicated GPU to a Ubuntu desktop.
When changed Primary Display to dedicated GPU or Auto from BIOS, Ubuntu failed to detect iGPU.
When changed Primary Display to iGPU from BIOS, Ubuntu failed to detect dedicated GPU.

Upgrade to the latest version of Intel® Distribution of OpenVINO™ Toolkit.
Install the recommended Ubuntu kernel version based on the Ubuntu version.
Install the recommended driver for the dedicated GPU.
Install the recommended driver for Intel iGPU via the following options:
Option 1: System package manager

Option 2: Manual Download

Option 3: Run install_NEO_OCL_driver.sh script
- cd /opt/intel/openvino_2021/install_dependencies/
- sudo -E ./install_NEO_OCL_driver.sh

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