General Troubleshooting

Ensure that the DPU is placed correctly

Make sure the DPU slot and the DPU are compatible

Install the DPU in a different PCI Express slot

Use the drivers that came with the DPU or download the latest

Make sure your motherboard has the latest BIOS

Perform a graceful shutdown then power cycle the server

Reseat the DPU in its slot or a different slot, if necessary

Try using another cable

Reinstall the drivers for the network driver files may be damaged or deleted

Perform a graceful shutdown then power cycle the server

Try removing and reinstalling all DPUs

Check that cables are connected properly

Make sure your motherboard has the latest BIOS

Try another port on the switch

Make sure the cable is securely attached

Check you are using the proper cables that do not exceed the recommended lengths

Verify that your switch and DPU port are compatible

Check that the latest driver is loaded

Check that both the DPU and its link are set to the same speed and duplex settings