110-17ACL Laptop (ideapad) CG721 NM-A911

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I need help I have this board cg 721 nm-a911 rev 1.0 starts and stops immediately before it did not start at all I replaced pu501 and I wrote the bios now I measured the voltages pl401-3.3v PL402 5v constantly the others appear and disappear immediately PL501 1.3v PL1003 1.5v Pl1001 0.8v Pl602 0.9v Pl601 1.8v
 

ThienBui

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I need help I have this board cg 721 nm-a911 rev 1.0 starts and stops immediately before it did not start at all I replaced pu501 and I wrote the bios now I measured the voltages pl401-3.3v PL402 5v constantly the others appear and disappear immediately PL501 1.3v PL1003 1.5v Pl1001 0.8v Pl602 0.9v Pl601 1.8v
need to check directly, it is difficult to judge
 

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