How you can diagnose a faulty SIO/EC/IO/Startup shorted chip
30:32
HP 14-cm0598 dead, no power repair - sio/ec/startup chip IT8987 replacement
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That's why i don't replace chipset/cpu/gpu :((((((((((((((((((((
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Steps to diagnose a laptop power issue with no schematic - Hp laptop no power, troubleshooting guide
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How Does EC/KBC/SUPER IO chip work
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This is how you confirm if the GPU or CPU is shorted
24:51
Asus G56 gaming laptop - no power not charging - Dealing with fake chips from ebay
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All laptop components Tested with multimeter-electronic components - SMD capacitor test, Mosfet
28:23