Category Blog

Laptop Repair Guide

Troubleshooting of Lenovo Zhaoyang e42-80 notebook without backlight

Lenovo Zhaoyang e42-80 laptop turned on without backlight, the bridge sent a signal to the screen to open without VCC, so the screen interface 15 pin 16 pin was connected to 16 pin 3.3V booting up, and the fault was repaired.

yx
2022-07-21

Desktop PC Repair Guide

Lenovo IH81M mainboard no power on repair

Lenovo IH81M VER: 1.0 motherboard no power on, replace c453 U40, the fault is removed.

lqy01
2022-07-21

Smartphone & Pad Repair Guide

HUAWEI P30 cannot be charged. How to repair it

HUAWEI P30 cannot be charged,Capacitor,PAD,auto power off,Jump wire,GND, install Capacitor, and repair the fault.

zll
2022-07-21

Desktop PC Repair Guide

Repair of broken CPU pin of Gigabyte B75 mainboard

The CPU pin pin of Gigabyte B75 motherboard was broken. One of them was removed from the waste main board and replaced. The power on test showed that booting up was normal.

lqy01
2022-07-20

Laptop Repair Guide

ASUS FX50jx laptop into PE blue screen repair

ASUS FX50jx laptop into PE blue screen repair ASUS fx50jx notebook computer into the system blue screen crash, into the PE also blue screen, directly remove the plant beads, replaced with i7 CPU Parts motherboard. Machine model: ASUS FX 50jx…

yx
2022-07-20

Smartphone & Pad Repair Guide

iPhone 11 Pro standby power consumption soon need repair

iPhone 11 Pro standby power consumption is very fast,short-circuit current 20 mA, replace a USB chip VCC, troubleshooting.

zll
2022-07-20

Laptop Repair Guide

Lenovo Xiaoxin 15 2019 notebook no booting mainboard burn out maintenance

The computer does not turn on, and the motherboard is burnt out. Open the back of the motherboard, find the corresponding drawing of the machine on Xin manufacturing software, and directly find the burned place. There is no short circuit in the 8-pin and 9-pin test of U10. Connect the power on cable and screen cable, and repair the fault when the machine is on.