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October 12, 2022 10:40 AM
Hi I have a Lenovo legion y540 that will not boot to post keyboard lights up until you press a key but it stays unresponsive. I found a damaged component but have not been able to identify it. I would really appreciate any feedback or information.
October 14, 2022 7:11 AM
It is SY8286RAC [BAA***]. I think it is a very common dc-dc switching step-down regulator, I have seen it before ( see https://northridgefix.com/forum/postid/700/ ).