Sorry, we do not collect VBIOS here.
Backup your current VBIOS using the option in GPU-Z
Find a VBIOS at https://www.techpowerup.com/vgabios/
Ask for further support at https://www.techpowerup.com/forums/forums/nvidia.59/
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i tried the driver you gave, it installed without any error. However, right after restart the device goes to error 043 and GPUz still not shows any sign of life. could you kindly provide a vbios file for m600m?