The audio powered by the USP interface is powered by the USP interface of the computer, which generates current noise. If the phone charger is switched to DC power supply, there will be no noise. What is the problem.
The audio powered by the USP interface is powered by the USP interface of the computer, which generates current noise. If the phone charger is switched to DC power supply, there will be no noise. What is the problem.
The electrostatic sound is not due to insufficient power supply, but poor power grounding.It is estimated that when the building owner replaced the main board, the plastic gasket was used to install the main board, which caused the grounding screw hole of the main board could not be grounded. Another possibility is that the audio jack is in poor contact. Generally speaking, the computer motherboard has higher requirements for power supply than the audio jack.If it is a power problem, it is estimated that the computer should restart automatically long ago.
ZOL Q&A>notebook>other>The audio powered by the USP interface is powered by the USP interface of the computer, which generates current noise. If the phone charger is switched to DC power supply, there will be no noise. What is the problem.
