Lenovo laptop press the boot button only after the keyboard light, the screen does not respond, boot lights are flashing, how do you? The More
Select the material Press Alt + A to delete the audio
Hunt finder, then one end of the seat, the other end of the machine room patch panels one by one in order to find the right line when the sound will be significantly changed, the specific usage can refer to the hunt meter instructions.
Duckbill jumper is generally used in the 110 patch panel and program-controlled switches used for the connection.
