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Failure phenomenon:B490 and other models in the use of external speakers or headphones occasionally appear in the built-in speaker at the same time audible, if you try to plug and replace other speakers or headphones still have this phenomenon, you can refer to the following instructions to operate. Solution: 1. Check whether the driver is up to dateTo Lenovo-driven Web site to download the latest sound c
judged to adjust the volume of the phase device out of the problem. Most speakers use a potentiometer to change the strength of the signal (except digital mixer potentiometer), so as to carry out volume control and heavy bass adjustment. And the potentiometer is through an active contact, to change the position on the carbon resistance plate, so as to change the size of the resistance value. With the incre
(bass), the horn will come out of the "Thunderbolt roaster" noise, simply can not endure. Sometimes some speakers in the use of "Thunderbolt roaster" murmur, especially the rotation of the bass knob, the situation will be more serious. Because it is caused by rotating the bass knob, the bass potentiometer can be sure to be damaged. Most speakers of volume adjustment and heavy bass adjustment, are used pot
Maintenance Knowledge 1. Correctly set the sound card output mode. Generally we use the integrated AC97 sound card, the back panel of the chassis has 3 interfaces, we normally use are active speakers, so should be plugged into the line output of the interface (green), and the red interface is connected to the microphone, and the other is the line input (analog input) interface (blue). Maintenance Knowledge
Dolby Digital plus for tablets tries to compensate for weak speakerscan software optimizations make the speakers in today's tablets any better? Dolby Digital plus for tablets, shown here in a preliminary form, is a reasonably successful software fix for a pervasive hardware problem-namely, the low-rent speakers in most tablets. Dolby On most smartphones and tablets, sp
It is very common for computers to appear without sound, but there are many reasons why computers do not sound, and if you want to eliminate them all, sometimes you don't know when to exclude them. But if you're a win7 system, there's an easy way to find out what the problem is. 1 Win7 has a feature that automatically helps you find the problem. Click on the Start menu, Control Panel, in the system and security, choose to find and solve problems; 2 Turn on the hardware and sound, under the
The horn is big, the box is big must be cow B The bass unit horn is big, the box big most intuitive meaning superiority is: pushes the volume to be bigger, the low volume feeling also stronger. But these are basic theories, the sound box is a whole chain of results, including circuit design, the use of the capacitor, cattle, box design and so on are very learned, or give you a large unit and box, look so cool, no power to promote is also in vain. If JS to the box large to demand high prices, at
A problem has been encountered, the Bluetooth speaker can search but cannot connect. Reason Analysis: 1, System problems 2, set the error Solution: A, mobile phone or tablet can search the Bluetooth speaker, but after the selection prompts can not connect 1.1 Connect the Bluetooth speaker to other devices to see if there is a problem with the speakers. 1.2 To see if there is a recent installation of Bluetooth software, if so, recommend uninstal
As we all know, many transportation tools have to work together for a while before they are used, and our speakers are the same. Now some friends seem to be in a strange circle-focusing only on the quality of purchased speakers and the performance of on-site sound quality. In fact, we need to know that if you have a speaker with good potential, the sound quality after "Boiling" will definitely make you feel
Do not know whether a user friend and I encountered such a situation, whether the computer is plugged in headphones or speakers, in front of the chassis and the headphone jack at the back of the test several times, Win8 pure version of the system still no sound.Now let's take a look at the lower right corner of the desktop the volume icon displays an "X" symbol, moving the mouse over the volume icon and discovering that "no
Detailed Win7 system under the computer speakers have current sound method: Because the display of the surrounding magnetic field is very sensitive, so as long as the speaker close to the monitor, carefully observe the screen image has no local color or the overall color shift, you can test the performance of the stereo. The speaker's magnetism originates from the loudspeaker, the magnetic speaker's loudspeaker has some uses is the double magnetic cir
Chengdu Media: It small speakers, focus on mobile internet entrepreneurshipIt small horn (itxiaolaba.cn), founded in June 2015, Chengdu Reica Technology Co., Ltd. brand. Mainly responsible for media resources integration, media channel access, product promotion, resource integration, docking, etc., is the enterprise product publicity, brand marketing preferred.Through nearly a year of grinding, it small speakers
The new USB interface speakers, play other audio can play normally, but when playing CD music disc can not play. This happens because some of the players on the computer do not support the digital audio in the CD to play with the speakers. Therefore, in the use of USB speakers, first of all to the CD drive compatibility to view, as required to install the
tone of each band. The use of traditional Chinese mahogany home design concept, in terms of appearance and effect are called superior, is a true sense of the value of cheap theater. (2) First speaker sound preliminary to determine the speaker no problem, and then you see your player has no sound effects, and then see if your computer audio has added sound, (such as: music boxes, corridors, rock, ...) If there is no problem, that is the computer chassis socket problem, because the general hous
Source: blog China Today, computers are moving towards multimedia and intelligent development, while speakers are an important part of multimedia devices. It can be said that speakers are the most direct computer peripherals in addition to displays, its quality directly affects the effect of multimedia computers. The following describes some common troubleshooting methods for multimedia
Small series in the use of speakers to listen to the song, found an echo of the phenomenon, how is it? On the Internet to find some information, and finally found a solution, the following small set to share with you the computer speakers have echoes how to solve the details, the specific contents are as follows: In the computer speakers when the Echo, small kni
the ability of adjusting and balancing natural tones Good speakers should be able to truly and completely reproduce the original attributes and characteristics of musical instruments and sounds. Perhaps the most important performance is sometimes the precise tone balance. Sound should give a feeling of smoothness and no touch, and there is no obvious distortion of tone and treble description. The tenor and treble are not too "empty" or "repressed" sp
About Win7 system no sound prompts "not inserted speakers or headphones" problem, occasionally will appear in the normal operation of the system, whenever there are such problems always let people depressed unceasingly, then encounter this situation we should do? The following small series together with everyone to explore the next notebook win7 system without sound prompts Not plugged in speakers or headph
To facilitate the operation of the demonstration, we assume that the computer's hardware is working properly, but the headphones are not plugged in to see how the system will give us a hint. Open the start menu, Control Panel , in the system and Security , select Find and solve problems ; Put this picture away. expand this picture Turn on the hardware and sound , under the sound option, choose to play the audio , in the Play Au
When using the computer, the speaker does not sound, but through detection, the sound card is normal. The appearance of this situation first check the speaker power cord, connection line, there is no good. Then check if there is too much dust, too much dust will lead to bad contact. If the problem persists, you can switch speakers to other computers and check if there is a problem with the speakers.
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