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Hallo i trying to learn how to troubleshoot/diagnose laptop motherboards. I have here Huawei matebook x pro i7/16gb.Laptop wont start only keys capslock and fn lights light up and fan start spin for 3 seconds bud light stay on. And power light just blinking.My steps what i done.- At first i see blown mosfet, ok i replaced it with new one (still dont help) - i am wondering what can couse the mosfet to blow- find lot of shorts on top site on the board (i think it is a shorted cpu but it is unlikely to be cpu it is rare)- and i dont know what to do next maybe someone can help me figure it up.I attaching a short videos that you can see where are shorts and so on.Link to video 1 (Diagnistics): https://drive.google.com/file/d/1G1vh6mX...link to ivdeo 2 (How much power taking when charging): https://drive.google.com/file/d/1RP4cZgW...link to ivdeo 3 (What he do when i try turn it on battery): https://drive.google.com/file/d/1gzX-dZf…
Hi, What is the motherboard’s board number or the laptop’s full model number perhaps? It may be easier to purchase the schematic for the board to find out what’s wrong. Saves a lot of time and frustration The link above is for a MACH-W19C (2018 model) but there are other models of Matebook X Pro e.g. MACHC-WAE9LP (2020 model) so finding the correct one is essential. Just what I’d do.
