Tag Xiaomi 161201-aa notebook

After checking, there is an indicator light on the inserted charger, and there is no boot response when the power-on key is pressed, but the indicator light will go out when the power-on key is pressed, which may trigger protection due to local short circuit. It is found that many capacitors are short-circuited. After removing the short-circuited capacitors, test the other capacitors to ensure that they are not short-circuited. After commissioning, 3.3V returns to normal.

Xiaomi 161201-aa notebook no booting, the positive pole of 5V Capacitor and the ground are connected with external Connect the power supply source, plug in 19v and standby normally 0.015, press the start key screen booting up.Find a chip to replace, plug in and retest, the voltage has been normal, troubleshooting.