→ Applies to: Hyperion 9.x and above

Symptom

On Windows Server 2025 and Windows 11, the GPU is not correctly detected and the Controller video driver is shown as not installed.

Solution

Step 1. Power-off the Windows VM

Step 2. Connect to SynetoOS appliance via SSH as admin

ssh admin@<your_ip_address_or_hostname>

Step 3. Become Super User

sudo su

Step 4. Edit manually the virtual machine (replace <vm-name> with the correct information)

virsh edit <vm-name>

Step 5. Change the video interface type to VirtIO

<video>
      <model type='bochs' vram='131072' heads='1' primary='yes'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
</video>

• On the <model type> line, set type='virtio'

<video>
      <model type='virtio' vram='131072' heads='1' primary='yes'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
</video>

Step 6. Save the file and exit

ESC

:wq!

Step 7. Power-on the Windows VM