Troubleshooting - NVIDIA Docs

Server unable to find the DPU	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 Try to reboot the server
The DPU no longer works	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 Reboot the server
DPUs stopped working after installing another DPU	Try removing and re-installing all DPUs Check that cables are connected properly Make sure your motherboard has the latest BIOS
Link indicator light is off	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
Link light is on, but with no communication established	Check that the latest driver is loaded Check that both the DPU and its link are set to the same speed and duplex settings
Forgot password needed to install/upgrade the BlueField-2 DPU image	Refer to the latest version of BlueField DPU SW Manual and follow instructions under "Upgrading NVIDIA BlueField DPU Software" section.