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Asus A456U notebook will not be started up for repair when water enters. Machine model: ASUS A456U notebook Main board number: X456UQK 2.0 Fault phenomenon: the notebook does not boot when it is flooded. Maintenance process: Received an ASUS A456U…
Heavy Samsung W2020 folding screen mobile phone without charging maintenance Exclude tail plug and tail plug flat cable. Measure the resistance of 5VUSB channel, and fly the wire to the input of charging IC. Machine model: Samsung W2020 Malfunction: the…
Lenovo ThinkPad P50 notebook is not turned on for repair. Machine model: Lenovo ThinkPad P50 notebook Main board number: NM-A451 Malfunction: The notebook does not boot. Maintenance process: Received a Lenovo ThinkPad P50 notebook computer, the fault description notebook does…
Repair of DELL Vostro 5470 notebook adapter without power on or charging After dismantling Q32, it was found that the voltage was still 1.4V Keep looking for the next level circuit along the 3.3V_ALW_ON, and find PQ12. The air gun…
The second repair of ASUS F552V notebook triggered power failure repair Machine model: ASUS F552V notebook Main board number: X550CL 2.1 Fault phenomenon: notebook triggers power failure. Maintenance process: An ASUS F552V notebook computer, which is a second repair machine.…
Asus U4000U notebook does not trigger repair. Machine model: ASUS U4000U Board number: UX310UV 2.0 Fault phenomenon: the notebook does not trigger. Maintenance process: An ASUS U4000U laptop can’t be turned on. Plug-in measurement EC AVCC power supply +3VA_EC is…
