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Hp laptop repaired-nvidia chip problem | electronics, I have just completed the same repair on a hp laptop of the similar style and noticed the heat sink is used to conduct heat from both the processor and the video. Heat gun gpu reflow fixes laptop - hackaday, I used the same method to repair a hp dv9000 laptop with a wonky nvidia chip. instead of a heat gun i used a cigar lighter, and it worked like a charm.. Getting in too deep: important parts on dv6000 and dv9000, When the power supply is plugged into the laptop and it shorts out/turns off it's usually caused by this mosfet being shorted. plainly stated..
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