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Lenovo ThinPad E430 notebook does not trigger repair
Lenovo ThinPad E430 notebook does not tr…
分类 Laptop Repair Guide
Laptop Repair Guide
Repair of Raytheon TR-G150T Notebook for “Bone Scraping and Healing” without Booting
Opening the drawing, it was found that VDD3 at one end of PR435 was broken. Isolate the protection tube PQ47 PQ18, and directly connect the DS pin of PQ30 pin to make them completely conductive.
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.
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.
Asus S5300F notebook is not turned on for repair
Asus S5300F notebook is not turned on fo…
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.
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
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.
Lenovo ThinkPad T460 notebook is not charged and its screen flashes for repair
Lenovo ThinkPad T460 notebook is not cha…