HP laptop plug in the power supply does not respond, how is it going? Know that friends are helpful to help? Hurry! Is there anything with a button switch? Lock it up!
First under the adapter test. If the symptoms are still appropriate, it is recommended to the maintenance point, a move for the power management chip is bad
1, what is your specific model of the machine? 2, what is your operating system? If it is WIN7 system, it is recommended that you in the power options in the creation of power plan settings, you can set when you use the battery alone when the automatic transfer to the energy of this one, when you use the power adapter alone, you can automatically Transferred to high performance. If the XP system, when you use the power adapter when the power option is set to always open, when you use the battery when it will become a power saving mode.
In accordance with the first answer, unplug the power battery, all external devices, long press the boot button for 1 minute, and then wait half an hour, and then re-plug the plug, then plug the board, a boot, really opened, I would like to know What is the reason for this? What is the principle?
Hello, thank you for choosing HP products. We recommend that you refer to the following information:
Do you mean that the use of power alone, the notebook is like no power can not boot the right?
Please refer to the following suggestions:
1, please remember what happens after the operation, the sudden emergence of this situation, such as whether recently added new memory or other aspects of hardware changes.
2, please test whether the battery can be used alone to boot, in order to rule out the cause of the adapter failure;
3, if you have not carried out special operations, it is recommended that you try to power off the machine to see, as follows:
(1) you first power adapter, battery and other external devices such as USB mouse, etc., are removed;
(2) in the absence of power supply equipment, you hold down the boot button for about 1 minute;
(3) and then do not connect power supply equipment, put it aside for 30 minutes;
(4) Do not put the battery after standing, only use an external power supply, first connect the power of the machine side, and then connect the socket, look at whether to boot.
4, if the above method can not solve your problem, the initial judge this situation may be due to motherboard failure or poor contact caused by cable and other reasons. In order not to delay your use, please contact the local HP Gold Service Center for testing and processing.
HP laptop plug in the power supply does not respond to the solution:
Check if the charger has a problem.
If the charger is no problem, then, is the transmission line caused by disconnection.
With a universal meter to measure the plug is not a DC power output, if not sure is the output line somewhere open circuit, and are usually stripped at the interface of the output line interface check, find the broken place to re-connect after the charge The.
There is no multimeter to find a DC bulb, 6-15V can be, if the light is the line is no problem, and vice versa according to the above argument.
To determine the input line is not broken charger is not bad, then remove the laptop battery, plug in the power to start the computer, if you can start the battery charging module is broken, if you can not start the computer, then the power module is broken, To fix it.
