Electronic products have a service life, the use of a long time will be prone to a variety of problems, like the laptop power adapter, the use of a long time will be prone to problems, such as charging can not be charged into the electricity, can not work properly, how to detect where in the end there is a problem? Today Eahunt will share with you the specific methods of detection.
1, first of all, you can come to see the power adapter and laptop battery is not poor contact, if it is the cause of poor contact, you can reinstall the power adapter or battery.
2, if the power supply or battery connector is good, you can use a multimeter to measure the laptop power adapter and battery specific operating data, mainly to see the output voltage is not stable, as well as the actual output voltage, if it is very unstable, or the actual output voltage and the standard is too large a difference, then it is the adapter or the battery is damaged, need to be replaced.
3, if the adapter and the computer battery is not a problem, the reason for not charging into the power may also be the laptop power supply board or the motherboard poor contact, to check, you need to prepare a screwdriver and an organizer, with a screwdriver to open the back cover of the laptop, and the organizer is used to install the laptop's small screws, or too many screws and some of them are not the same size. It's easy to get messed up or lost.
4, if the power supply board and the battery are in good contact, then use the DIY commonly used replacement method to check whether the power supply board is normal, if not, replace it.
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