The solution to the problem of headphones not being plugged in is as follows:
1. Click on the volume icon in the lower right corner of the desktop and turn on the sound, as follows.
2. Select "Record" to see if the microphone shows "not plugged in" and the line input shows "not plugged in".
3. Select "Play" to see if the speakers are not plugged in.
4. The above interface are "not plugged in", then enter the Start menu, select Control Panel, enter the "Realtek High Definition Audio Manager".
5. Click on the folder icon in the upper-right corner, a dialog box pops up, check the "Disable front panel jack detection", select OK. Try it again and you'll hear sound from your computer.
Because headphones are closer to the inner ear tissue than ordinary external noise; users have to take the necessary protective measures. Studies have shown that pleasant music causes less hearing damage, but prolonged exposure to high decibel sounds, whether music or noise, can cause hearing damage. Sensory nerve hearing damage that can be triggered by noise occurs in the inner ear when high-energy sound waves soup up the fluid in the cochlea, overstimulating and causing cell death. Hearing damage occurs over time, and prolonged exposure to noise, albeit for short periods at a time, can cause hearing loss.
A survey published in the Journal of the American Medical Association in 1998 and experiments at Shanxi Medical University in China showed that prolonged exposure to high noise levels had a negative effect on hearing.
If you use headphones on the street, in addition to turning up the volume and causing hearing damage, focusing on listening to music, it is easy for users to lose alertness to peripheral sounds, increasing the chance of danger, and children should not be used.
Maintenance
After a headset arrives, the first thing we have to do is to commend the headset open, the reason for doing so I believe I do not say that we will know. We can enjoy it after the commendation, but is it as long as the commendation is open all is well? The answer is not, some of the headset itself is very high quality, is because we usually do not pay attention in the use of our beloved headset premature death! The following I repair headset process often see the situation, to give you some maintenance advice!
1. It is best not to sleep with headphones. The average person is absolutely impossible to stay still all night long, the headphone line is not entangled in the neck or two lines twisted together like a twist, some big headphones and even the shell was crushed. 100, 200 beam is also the beginning of the more fragile place! If some pals say I don't listen to the song I can't sleep, then it's best to hang the headphones, that is, above your head, with a leather band tethered headphone cable hanging on the bed. Sleeping a tilt of the head headphones will be "pulled" down, no matter how you turn over will not be pressed! The advantage of using a leather strap is that it acts as a cushion when pulling the headphones!
2. Use the headset after the headset line to wipe off the sweat. These things secreted by the human body, containing grease and whatnot, is the invisible killer of the wire, such as e2c in the ear bends. Over time, the wire will age and eventually lead to open seams and breaks.
3. It's best not to smoke when using headphones. Anyone who is not careful, whether it is the headset shell, headset line hot, hundreds of thousands of ocean you can not heartache? In addition, soot will enter the headset shell in the sticky membrane, the sound is not right for a long time.
4. Always turn down the volume before use. If the volume of your output device is too high, not only shock the ear, the light membrane folds. In the worst case, the voice coil of the headphones burned.
5. Headphones away from strong magnetism. The magnetism of the unit's magnets will decline, and over time the sensitivity will decline!
6. Headphones away from moisture. The pads inside the headphone unit will rust, resistance increases, your headphones will be off-key.
7. Plug part. Some friends like to put the mp3 or something in the pants pocket, the plug out part of the line is easy to fold, over time will break the line.
8. Do not disassemble. Curiosity is too strong, just get open to see. Some headphones are difficult to disassemble, mx500 without a special method is not open, that is, you get open 80% is also bad. The small 2 to get open may not be the shell broken, or off-set sound, 888 and 808 like that can be, more good to get.
9. It's best not to use them outside in winter. Winter cold, the wire is relatively hard, brittle, excessive bending is easy to break the wire. This time also do not heat the headphone cable, high temperature will accelerate the aging of the wire.
10. Stay away from chemicals. The paint on the headphone shell is very dissolved in organic chemicals, and it doesn't look good when it's blown.