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There is no sound on the computer, such as no sound when the computer is turned on, taskbar.
The little trumpet.
Missing: First of all, the computer is silent, which seems simple, but sometimes the problem is more complicated, involving both the hardware aspect.
The problem, in turn, relates to the software side. There are also sound cards that do not sound due to sudden crashes and small speakers.
Disappearance is also common. Therefore, it is important to find out the cause first, see if it is a software failure or a hardware failure, and then prescribe the right medicine for the problem.
1. Check whether the sound card, cable, speaker and other devices are connected normally. If you have a virus, you should run antivirus software.
Carry out comprehensive anti-virus.
2. Open the control panel.
- Add new hardware--- Next, after the search is complete, click "No, I haven't added this hardware", click Next. In the dialog box that appears, check Click Done, shut down the computer, restart to add new hardware. Note that this refers to shutting down and then starting, not restarting.
In general, the problem can be resolved after rebooting.
3. Right-click "My Computer" -- Properties -- Hardware -- Device Manager to open it.
If so, uninstall it, then put it into the CD drive and reinstall the drivers for this device.
Then you have to find your sound card, including the integrated sound card, the model must be accurate, after confirming that the sound card is found, then put it into the system drive disk, and install the sound card driver.
--- the volume of the device, put a check mark before "put the volume icon in the taskbar", and put it in the taskbar after restarting.
There's a little horn again.
6. When there is no sound and no speaker, open the control panel ---Add and delete programs--- Add and delete.
windows component, put in.
New hardware, just follow the prompts to install it.
7. If you can't solve the problem, you have to reinstall the system and drivers, and everything is asked.
The problem will be solved, but only if the hardware is intact and the software is not conflicting.
8. When the sound card driver is installed, the "AC chip cannot be found" prompt appears, it may be that the computer is poisoned, or the sound card is plug and play loose, resulting in poor contact, and it may be that the sound is deleted by mistake due to illegal operation.
card drivers, or internal software conflicts. This has to be done step by step for different reasons.
Settle. 9. You can gently pat the shell of the computer body, laptop.
can be covered with a lid.
When the force is slightly greater than usual, so that some loose parts are restored, and wait for a period of time after shutting down.
Turn it back on again, and sometimes the sound problem will be restored.
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1. Sound card control panel settings.
Some sound cards will have this convenient problem, such as: realtek, via) Open the audio manager - click on the right jack settings - check to disable the front panel jack detection - click OK.
Second, the device manager sound card is disabled.
Solution: Right-click on the sound card to view, if it has been disabled, there will be an "Enable" option, click to enable.
3. The installation of the sound card driver is unsuccessful.
Use PC Manager to update the driver and you're good to go.
2. Find "Hardware Detection" in the toolbox.
3. Click "Driver Installation" in the hardware test.
4. You can see the "installation status", if it is not installed, you can click to install it directly.
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It could be due to the following reasons:
1. Check whether the plug of the speaker or headphones is loose.
2. There are many sound card drivers, you need to open the sound card control program to set it up, and plug and unplug it again before you can use it.
3. Whether the sound card driver is correct.
4. The Windows Audio service is not starting.
Click "Start" - "Run" - Enter", find the "Windows Audio" service, double-click, set to "Automatic" start.
5. Turn off the sound card, turn it on, turn it on, and then plug the sound card into the boot detection and reinstall the driver.
6. If it is still not good, you can only try to change the sound card.
Sound card is also called audio card: sound card is the most basic component of multi-technology and is a kind of hardware that realizes the mutual conversion of sound wave digital signals. The basic function of the sound card is to convert the original sound signal from the microphone, tape, CD, and output it to earphones, speakers, amplifiers, tape recorders and other sound devices, or to make the instrument sound beautiful through the ** device digital interface (MIDI).
A sound card is an adapter for your computer to do sound processing. It has three basic functions: one is the synthesis pronunciation function; the second is the Mixer function and the Digital Sound Effects Processor (DSP) function; The third is the input and output functions of analog sound signals.
The sound information processed by the sound card is stored in the form of a file in the computer. The sound card should be supported by the appropriate software, including drivers, mixers, and cd** programs.
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So what sound do you need? Listen**? Watching a movie?
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Are you sure your sound card driver is installed?
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