How to fix Razer Core X V2 that is not detecting the GPU

Updated: 15-Jul-2025 | Answer ID: 19833
This answer shows you how to fix Razer Core X V2 that is not detecting the GPU.

Razer Core X V2 Support

 

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

  • The connected port does not support high-bandwidth traffic (for example, USB 3.1 Gen 1 compared to USB4, Thunderbolt 4, or Thunderbolt 5)

See the step-by-step instructions below on how to fix Razer Core X V2 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 driver is installed and updated

  1. Open “Device Manager”.

  2. Expand “Display adapters”.

  3. Right-click on the device and select “Update driver”.

    Device Manager window with the Update Driver option selected for a USB4 device

  4. Click “Search automatically for drivers”.

    Update Drivers window with 'Search automatically for drivers' option highlighted

  5. Follow the on-screen instructions.

Ensure the GPU is properly installed

  1. Unfasten the thumbscrews and remove the chassis cover.

    Removing mount screws to detach the chassis cover

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

  3. Tighten or reinsert the slot thumbscrew.

    Fastening thumbscrews to secure internal components

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

    Connecting power cables to the graphics card's power pins

  5. Reattach the chassis cover and secure it with thumbscrews.

    Reattaching the chassis cover and securing it with thumbscrews

Ensure Razer Core X V2 is receiving power

Important: Ensure the installed PSU meets the GPU’s power requirements plus an additional 230 W to power the Razer Core X V2.

  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 PSU’s power switch is turned on and that the fans are spinning.

    Power supply unit fans spinning to indicate active cooling

Avoid disconnecting and reconnecting the Razer Core X V2 while the system is powered on

  1. Disconnect Razer Core X V2 and shut down the system.

  2. Reconnect the Razer Core X V2 while the system is powered off.

    Reconnecting the device while the computer is powered off

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

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

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