My computer is bought at the end of May this year, the power adapter has been no problem. But the day before yesterday in the speed of the sudden sound of crackling, like static, careful one, there is the friction of the pointer rotation. Probably intermittently lasted five minutes, and later returned to normal. But in the second boot, after about an hour this situation appeared, also continued for a few minutes before the shutdown did not appear. I checked it, which is related to capacitance, voltage, frequency. Also, when this sound is found, my power adapter is not plugged into the plug, and my battery is removed, is this also a relationship? I would like to listen to professional analysis, do not and I said to the repair station, if so I asked what? I just want to know about the specific circumstances, if not much impact, or can solve their own, do not have to repair. Thank you
Hardware problems need to repair, not repair not work
With the adapter of the capacitor, there are generally two reasons, the adapter damp, and recommended dry hair dryer. There is a possibility, that is, the adapter collided, which loosened, and this situation will change the adapter, and to prevent short-circuit burned the computer.
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It is estimated that the power adapter is not plugged plug plug caused by the connector is too loose, poor contact, resulting in large resistance, the sound is a normal response, with the laptop battery out of no relationship.
It is recommended that the power adapter connection plug must be tightened, otherwise it will lead to excessive heat at the joint, dissolve the interface or lead to abnormal output voltage. Resulting in unnecessary losses.
