Same issue. Wasn’t the power cord because I tested with a known working one and my xbox still would not turn on.
Disassembled my Xbox one.
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Found a capacitor and a plug for the touch sensor had a lot of corrosion on the contacts. Cleaned both points of corrosion and gave the entire PCB a good rub down with I isopropyl alcohol.
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Found an IC , capacitor and a plug for the touch sensor had a lot of corrosion on the contacts. Cleaned these three points of corrosion and gave the entire PCB a good rub down (top and bottom side) with isopropyl alcohol.
Same issue. Wasn’t the power cord because I tested with a known working one and my xbox still would not turn on.
Disassembled my Xbox one.
Found a capacitor and a plug for the touch sensor had a lot of corrosion on the contacts. Cleaned both points of corrosion and gave the entire PCB a good rub down with I isopropyl alcohol.
Put everything back together and Voilà.