Has anyone done motherboard work for the no power defect?
Has anyone performed a successful microsoldering solution for the HP 13-4003dx fail which prevents it from powering on? Apparently, this is a common issue with this series. No power on or off the AC adapter - not even the LED light when the cord is plugged in. The power jack and battery are fine and 19 volts is getting to the motherboard. Many have reported visually blown capacitors in the power management area between the SSD reader connect and the LCD cable connect. I didn’t see any visually blown but did find a shorted cap that’s connected to PU1 - buck converter IC (an NCP81253 chip). Turns out the IC was shorted. Replaced it and the short is now gone but still no power on or LED light.
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