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Category Blog

Desktop PC Repair Guide

Asus H61M-E repeatedly restarted for repair

Asus H61M-E was restarted repeatedly, the pull-up resistor was replaced, and the fault was repaired.

lqy01
2022-12-01

Smartphone & Pad Repair Guide

IPhone 12 Pro Max cannot be started for repair

IPhone 12 Pro Max cannot be started for repair Machine model: iPhone12 Pro Max Symptom: The phone cannot be switched on Maintenance process: A faulty iPhone 12 Pro Max machine was received. The fault description is that the phone can’t…

zll
2022-11-30

Desktop PC Repair Guide

Power-off repair immediately after triggering of Gigabyte B75-DS3V

After the triggering of Gigabyte B75-DS3V, power down immediately, replace the TQ9, or remove the TQ8, and the fault is removed.

lqy01
2022-11-30

Smartphone & Pad Repair Guide

IPhone XS Max phone screen intermittently does not show repair

First, replace the screen. After replacement, the fault remains the same. Check the PCB wiring position through the wiring diagram of Xinzhi Manufacturing Board Layer. Scrape the PCB board, reconnect the lead of PMU_TO_DISPLAY_RESET_CONN_L, and repair the fault.

zll
2022-11-29

Laptop Repair Guide

Repair of DELL Vostro 5470 notebook adapter without power on or charging

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…

yx
2022-11-29

Desktop PC Repair Guide

HP Notebook Docking Station Repair

HP Notebook Docking Station Repair

lqy01
2022-11-29

Laptop Repair Guide

The second repair of ASUS F552V notebook triggered power failure repair

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.…

yx
2022-11-28

Desktop PC Repair Guide

Lenovo IB250MH does not trigger repair

Lenovo IB250MH did not trigger, but replaced with 32.768 crystal oscillator, and the machine returned to normal.

lqy01
2022-11-28

Smartphone & Pad Repair Guide

IPhone 12 Pro max phone is not turned on for repair

According to the point bitmap, measure the battery connecting seat position and find that the battery seat position is short-circuited; It was found that a capacitor next to the CPU on the B side of the upper layer was short-circuited. After replacing the capacitor, the fault was repaired.

zll
2022-11-26