If I plug in 4/6 of the GPUs into the motherboard they work fine. I can swap the HDMI to each card and get a signal. However whenever I plug in the 5th card my keyboard backlight doesn't turn on, and no card gets signal. TeamViewer recognizes the rig as offline. Windows 10, GPU - red devil 480 8gb, MOBO - as rock h81 pro BTC r2.0. Any ideas on why adding the 5th card I lose all signal and it doesn't even boot up?
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