GPU4 Calling Watchdog

[belantaioba]

first the image of how i did setup my rig

So, simplifying, GPU 4 calls watchdog
i take off the usb from the GPU 4 and switch with another GPU
Like this https:

and the error continue on the GPU 4
???

[belantaioba]

Anyone?
Like… Doesn’t matter what riser or gpu or usb cable or slot i change the gpu4 is always call watchdog error.