The computer charger just plug in the power, the computer lights will be lit about to go out. Sometimes inserted completely did not respond, in the end how the matter ah
Either the problem of the charger is either the problem of the machine with the charger contacts
The notebook's power module is broken ~ to the maintenance point of dozens of dollars can get
The charger is broken! Dozens of dollars can be changed! But when you pay attention to the next current and voltage! Must be the same, it would cause damage to the computer yo! Hope to help you ah!
1, with a multimeter to check whether the normal socket, the supply voltage is 220V.
If the utility voltage is not normal, it is recommended to replace the use of environmental testing.
2, with a multimeter to check the power adapter output voltage and current is consistent with the label.
If the gap is very large, and the mains voltage is normal, you can determine the power adapter failure,
Need to replace the notebook power adapter.
3, if the above check is normal, remove the laptop battery, do not external adapter.
Press and hold the notebook power button 5 seconds to repeat 3 times. After releasing the notebook residual charge,
Insert the power adapter separately, power on the test.
4, if the fault remains the same, check the notebook's power interface, whether abnormal.
Such as loose or the appearance of damage and so on.
5, the above check are normal, basically can be a preliminary judgment is the notebook motherboard failure. Recommended repair service station.
