The Win7 system suddenly has no sound solution

In the process of using Win7 system, it will inevitably encounter some problems and failures. For example, the Win7 system suddenly has no sound. What is going on? There are many reasons why the Win7 computer suddenly has no sound. How to solve this problem? The following small series introduces you to the solution that the Win7 system suddenly has no sound.

steps:

1, no sound system for many reasons, for various reasons lost computer taskbar bottom right of the trumpet, so it can not adjust the sound settings. At this time, you can call this small speaker setting icon by: start → control panel → sound and audio equipment → volume & rarr; check [put the volume icon into the taskbar] → [OK], then The small speaker icon that sets the volume will appear in the lower right corner of the taskbar, which makes it easy to adjust the volume.

2, the computer is silent, first check whether the channel is [mute] in the volume property. If the sound channel is set to mute, the small speaker icon at the bottom right of the taskbar will have a red prohibition symbol.

To unmute: Right click on the small speaker icon → turn on the volume control → remove the check mark from the [Mute] in the lower left corner of a channel. Some people say that their speakers have sound, but the microphone has no sound (such as MSN's voice chat microphone can't record). Actually, it is because the microphone channel is not open. The method of opening is: master volume → option → attribute → check [microphone].

3. If the above two items are detected, what should I do if the system is silent? It is possible that the system's voice service does not turn on as the computer boots. The method of opening is: Start → Control Panel & Rarr; Management Tools & Rarr; Service & Rarr; Click [Windows Audio] in the Service column to select its status as [Started].

4, if the computer has 360 security guard software installed, you can also easily start the sound service with the computer. The steps are: optimization acceleration → startup item → system key service & rarr; select [Windows Audio (system audio service)] & rarr; current state & rarr; [opened].

5, you can re-install the relevant procedures, the steps are: start → control panel → add and remove programs → add /remove Windows components, in the "attachment and tools" in front of the checkmark , click “ next step & rdquo;, then, shut down and restart, the system will prompt to install new hardware, follow the prompts to install.

6, the above situation is in the system before the sound, suddenly harassed by the virus, or some software drag and lead to no sound failure. If you have no sound after installing the operating system, the sound card driver is less likely to be installed correctly.

The check method is: Start → Control Panel → System & Rarr; Hardware & Rarr; Device Manager & Rarr; Check if there is a yellow warning sign in the settings box? If so, it is caused by the hardware driver not being installed correctly. The sound card is located in the [sound, video and game controller]. If you are not sure whether there is any problem with the hardware, after deleting a certain hardware, you can also click the [Scan for hardware changes] button on the toolbar to search. Br>

Once found, you can follow the prompts to properly install the driver. You can also download automatic update drivers like Driver Wizard and Driver Life, but there is one thing to be aware of: don't try to update the latest drivers when the device is normal, which is often counterproductive (the optimized drivers are prepared for the player, Look carefully at the instructions next to the update)

7. If you don't know what model your sound card is on your computer, you can also use the following methods to find it: Start → Run (you can also use the win+R shortcut to call up Run) Input: dxdiag Bring up the hardware diagnostic tool to view.

After you find it, you can download the sound card driver from the corresponding official website. If you buy a computer with a driver CD, it is the most reliable driver. Don't think that the latest drivers are the best. We often see that some computer users have updated the latest drivers and the operating system has no sound. Then replace the sound card driver sound that comes with the repo machine!

8, friends will set the bioss sound card to [prohibited], so there will be no sound. Press the del button to enter the BIOS settings, go to the “Integrated Peripherale” menu. There is a submenu “AC‘97 Audio (AC’97 sound card)”, which is set to set the sound card. “Auto (automatic) can enable the motherboard integrated sound card, set to ”Disabled (disabled) & ldquo; disable the motherboard integrated sound card.

9, if the HD sound card recording is gray can not be set to patch → [HD sound card patch] hdmicpatch.rar

10, 360 security guards & rarr; killing Trojan & rarr; hot issues Repair → 3 computer no sound → repair & rarr; immediate processing.

The above is a solution for the Win7 system that Xiaobian introduced to you suddenly has no sound. If you encounter the above situation, you can follow the above steps.