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Category Laptop Repair Guide

Laptop Repair Guide

Laptop Repair Guide

ASUS FX86F notebook can’t be started for repair

Asustek FX86F notebook can't be turned on. In this case, the damage of C9404 is a common problem. After repeated confirmation, it is the problem of APW8715 chip. Replace the good chip, power on and test it, and turn it on perfectly.

yx
2023-01-30

Laptop Repair Guide

Repair of HP TPN-I133 Pulling Adapter Laptop Screen Crash

HP TPN-I133 unplugged the adapter, the notebook screen crashed, and the motherboard was removed. It was observed that a resistor on the motherboard was moldy, the board was washed with water, the power supply circuit of the memory was normal, and the battery used for the adapter was normal.

yx
2023-01-29

Laptop Repair Guide

Asus S5300F notebook is not turned on for repair

Asus S5300F notebook is not turned on for repair Machine model: ASUS S5300F notebook Main board number: X530FN 2.2 Fault symptom: the notebook does not turn on. Maintenance process: An ASUS S5300F notebook, which was disassembled by itself, caused the…

yx
2023-01-12

Laptop Repair Guide

Apple MacBook Pro A2338 notebook can be repaired when it enters water

UP700 1-pin power supply is normal, 2-pin power supply is normal, 5-pin power supply is not output, and the measurement is not short-circuited. Connect it directly. Start the test, the screen display is normal, troubleshooting, and maintenance is over.

yx
2022-12-29

Laptop Repair Guide

It is not a common fault that Lenovo Y7000 notebook can not be powered by CPU when it is not turned on

After checking the drawings and measuring, it was found that the south bridge was damaged, and the return signal from the south bridge to the CPU was not processed, which led to the failure of the CPU power supply. The south bridge was replaced, and the power supply came out. Installation, startup test, perfect lighting, troubleshooting, and maintenance are over

yx
2022-12-28

Laptop Repair Guide

Asus VM510L notebook maintenance without charging

Asus VM510L notebook does not charge, magnifying glass observes that one end of PR8815 resistor link PR8814 is corroded, and the voltage is normal after adding some solder, so replace it with a good PR8814. Bare-metal test starts charging for 20 minutes, everything is normal, troubleshooting, and maintenance is over.

yx
2022-12-23

Laptop Repair Guide

Lenovo ThinkPad T460 notebook is not charged and its screen flashes for repair

Lenovo ThinkPad T460 notebook is not charged and its screen flashes for repair Lenovo ThinkPad T460 notebook doesn’t charge, and its screen flashes. Check the back end of PR49 to find DOCK_CONSUMP, which has a resistance value of more than…

yx
2022-12-22

Laptop Repair Guide

Repair of Apple MacBook Pro A1708 Notebook Dark Screen

repair of Apple MacBook Pro A1708 Notebook Dark Screen The capacitance of Apple MacBook Pro A1708 is easily short-circuited, so it is important to check here. Use the 3V voltage on the ammeter to burn the machine, and find the…

yx
2022-12-21

Laptop Repair Guide

DELL XPS L502X notebook will not be powered on and plugged in without triggering repair

It is found that the 83-pin of EC is ALW_ON, the measured resistance is normal, and there is no voltage output at this pin after power-on, which is the problem of EC. Measuring pin, there is already a voltage of 3.3V Short-circuit the switch, and the current reaches about 1.5A Install the machine, plug it in, start it up, and turn it on perfectly. Troubleshooting, the maintenance is over.

yx
2022-12-20