DGX Station monitor compatibility

We updated our DGX Station to DGX OS 5.5.1 but now the monitor compatibility is gone so there seems to be some mismatch between the driver and the GPU configuration for the DGX Station. nvidia-smi gives 535.129.03 and CUDA 12.2. Is there some way to roll back the graphics driver to the value given in the table (535.104.05)


or some other way to restore compatilibity? Right now the Ubuntu settings show only a single low resolution choice for the monitor.

Thank you for any help.