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RX 550,Q77M/B75M,I5-3470,canot entry BIOS, even no any respond when touch keyboard&mouse.pcie 2.0 8800GT works fine

Question asked by jinxiang on Jun 20, 2019

RX 550,Q77M/B75M,I5-3470,canot entry BIOS, even no any respond when touch keyboard&mouse.pcie 2.0 8800GT works fine.

balck screen , no light on keyboard &mouse.CPU fan , power fan and graphic fan are running. No any sound can be heared

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