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Category Laptop Repair Guide

Laptop Repair Guide

Laptop Repair Guide

Lenovo notebook 320-15ISK boot does not trigger fault repair

3V standby, replaced by an AMS1117-3.3, suspected that there is something wrong with the graphics card chip, turned off the power, removed the power supply inductor of the graphics card, and powered on again. The machine runs normally, the fault is repaired, and the maintenance is over.

yx
2023-03-23

Laptop Repair Guide

Troubleshooting of Lenovo rescuer Y9000X 2020 notebook when it is not turned on

Brush BIOS first, and buy pure ME BIOS, but the programmer does not support QH128AHIG, and it is successful to switch to 25L12873F. The sound of the boot test is also normal. The fault is perfectly repaired.

yx
2023-03-22

Laptop Repair Guide

Apple MacBook Air A1465 notebook motherboard does not trigger fault repair

There was no response when pressing the power button. I found that the vicinity of the USB conversion chip was hot, and the chip was removed, or it was against the ground, and the capacitor next to it was removed. Power-on test, perfect lighting!

yx
2023-03-21

Laptop Repair Guide

Lenovo notebook Y7000 2019 boot screen repair

Lenovo notebook Y7000 2019 boot screen, found that the graphics card model is 2060, drive exclamation point, error 43. After removing the main memory, everything will be easier. Deal with the pad first, and then solder the new memory.

yx
2023-03-16

Laptop Repair Guide

Apple MacBook A1466 notebook power-on does not trigger repair

Before dismantling, there was no corrosion by visual inspection, and it was found that a fuse F7140 was 8.45V at one end and 4.1V at the other end, which jumped repeatedly.Drag a wire directly, and then power on it to trigger automatically. After repeated tests, it is normal.

yx
2023-03-14

Laptop Repair Guide

Repair of Raytheon 911 notebook water inlet motherboard with short circuit and no power supply.

Visually, there is no corrosion where there is water. When the current is turned on, it is found that there is no current for a while, and it is concluded that there is a short circuit. When I opened the drawing, I found that the 8690 pipe PU21 and the PU23 pipe were passages. I directly removed the hot short-circuit pipe PU21 and re-burned the machine, and it was normal.

yx
2023-03-10

Laptop Repair Guide

The second repair of ASUS Flying Fortress FX86F notebook does not trigger.

The second repair of ASUS Flying Fortress FX86F notebook does not trigger. Machine model: Asus Flying Fortress FX86F Fault symptom: the notebook does not trigger. Maintenance process: An ASUS flying fortress FX86F second repair machine, the fault is that the…

yx
2023-03-09

Laptop Repair Guide

Repair of HP 14s-cf0002TU Notebook after Water Intake.

It is found that the 6-pin EN also has 0.5V electricity, which is abnormal. After disconnection, LDO3 outputs normally, and the EN emitted by EC also has 3V, indicating that this is the problem.

yx
2023-03-07

Laptop Repair Guide

Asus X540UP notebook does not start for repair

The notebook is not turned on, and you see a broken line after running, but you have to remove the capacitor to make it up. Direct flying line, power-on test, perfect lighting machine.

yx
2023-03-02