How to fix a Razer eGPU that is not detecting the GPU

Updated: 29-Jul-2025 | Answer ID: 3937
This answer shows you how to fix a Razer eGPU that is not detecting the GPU.

Applicable models:

The issue of a GPU not being detected in a Razer eGPU setup is possibly caused by the following scenarios:

  • Improper GPU installation

  • Razer Core has no power

  • The Razer eGPU was disconnected and reconnected while the system was powered on

You can view the video below for instructions or review a copy of the video transcript.

See the step-by-step instructions below on how to fix a Razer eGPU that is not detecting the GPU.

Select an option

Check the system’s USB settings

  1. Go to Settings > Bluetooth & devices > USB > USB4 hubs and devices.

  2. Make sure the Razer eGPU model name and topology ID are displayed.

    USB4 hubs and devices window showing the device model name and topology ID

Ensure the GPU is properly installed

  1. Pull the lever to unlock the compartment.

  2. Detach the compartment from the enclosure.

    Razer Core diagram

  3. Verify that the graphics card is securely seated in the PCI-E port.

    Razer Core compartment diagram

  4. Tighten or reinsert the slot thumbscrew.

    Razer Core compartment with a GPU inserted diagram

  5. Make sure the GPU power connectors are securely plugged in.

    Razer Core compartment with the GPU power connectors plugged in diagram

  6. Reattach the compartment to the enclosure.

  7. Tuck the lever to secure the compartment.

    Razer Core diagram

Ensure the Razer eGPU is receiving power

  1. Inspect the power cord, adapter, and outlet. Make sure all connections are secure.

  2. Test the power source using another device.

  3. Ensure the Razer eGPU power switch is turned on and that the fans are spinning.

Avoid disconnecting and reconnecting the Razer eGPU while the system is powered on

  1. Disconnect the Razer eGPU and shut down the system.

    Razer Core with a Razer Blade diagram

  2. Reconnect the Razer eGPU while the system is powered off.

    Razer Core with a Razer Blade diagram

  3. Power on the system. The GPU should now be detected.

    Device Manager window

Important: If disconnection is necessary while the system is running, wait for the confirmation prompt that the GPU has been safely removed before reconnecting.

Install the Nvidia graphics driver for the Razer Core X V2 eGPU enclosure

When the external Nvidia GPU is not detected, the Device Manager may display it as "Microsoft Basic Display Adapter" or list it as "Nvidia" with an error.

See the answer below for more details.

Is this answer helpful?