Plug in the power adapter when the power switch without any reaction, even the lights are not bright. But the power adapter is no problem, plug in the power adapter after boot in the absence of the battery can also be used normally.
When the battery is switched on, you must turn on the notebook (the hair dryer blows, placed on the electric blanket or placed in the sun).
It is recommended to remove the machine's battery and power adapter from the machine, the machine will stand for half an hour to see if the machine can start normally, if you can not start the normal contact HP can not directly detect it, it may be hardware failure The
The battery is broken or charge and discharge the chip is not recommended to use this battery only use the power adapter.
Help solve computer-related issues, have questions directly asked, do not hesitate. Direct question or Baidu Hi can be, my personal information in the button and telephone consultation can also be. Beijing can find me, other provinces can also guide the relevant attention and so on.
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.
