You can first go to the after-sales asked whether the hardware problem, or to go to the computer repair center to detect, if not the hardware problem that you can download the sound card driver to try.
1, through your computer's brand to find the appropriate official driver website (thinkpad for example);
2, enter the home page and click on the driver download button;
3, to confirm their own computer model, according to the model to confirm the choice of model;
4, model selection is complete, enter the driver selection page, according to the different needs of download the appropriate driver;
4, the driver selection page, according to different requirements Download the corresponding driver;
5, click on the tab will correspond to the driver to download and install can be;
2. computer no sound shows no audio device installed how to do
Methods / Steps
Windows 7 system, no audio device is not installed, the computer does not have the sound of the processing method
If the device manager: "Sound, video and game controllers" does not have a yellow "!" , it means that there is no problem with the driver, if there is, you should install the sound card driver. If the sound card driver is installed correctly, it still says: No audio device installed and the computer still has no sound.
We right-click on: Speakers with a red x in the bottom right corner - Playback Devices;
2
Right-click on: No Audio Devices Installed, and in the small window that appears, left-click on: Show Disabled Devices;
3
We right-click on: Speakers, and in the menu window that appears, left-click on: Enable;
3
We right-click on: Speakers, and in the menu window that appears, left-click on: Enable;
3
We right-click on: Speakers again. p> 4
We enable: Headphones in the same way;
5
At this point we can see: the little speaker in the bottom right corner doesn't have a red x anymore.
6
Detect whether the computer sound is normal.
3. The computer has no sound (said not installed audio devices)
Repair the system and use the software to install the sound card driver of the two solutions (first look at the small speakers or in the control panel to see if the mute is set up, in the headset to check whether there is sound output, if there is, is a failure of speakers or speakers caused by the sound card driver is damaged caused by the, if you are, please Download the driver wizard and other software to install the sound card driver, if the hardware problems caused by their own and can not be resolved, it is recommended to overhaul a go, there are problems please ask me)
1, boot press F8 not move to the Advanced Options appeared in the hands of the release, select the "most recent correct configuration," enter the repair.
2, the simple way to use the system comes with the system restore, restore to the time you do not have this failure to repair (or restore the system with restore software).
3, if the fault remains, please reinstall the sound card driver (in not reinstall the system).
Using the system comes with the system restore method:
System comes with the system restore: "Start"/"Programs"/"Accessories"/ "System Tools". "System Tools"/"System Restore", click on "Restore my computer to an earlier time", press next, you will see the date page has a dark date, that is Restore point, after you select it, click Next to restore (for Win7 restore system, in Control Panel then Devices and Security sub-option then Backup and Restore Atoms option).
After downloading and installing, open the Driver Manager, it will automatically detect your computer's hardware information, after detection, click on the "Driver Update" button, switch the interface, and then click on the "Automatic Installation", and then click on the lower-right corner of the "Start Update" button, then click on the "Start Update" button. The "Start Update" button (please search and download, you can also use the random driver, or official website to download the driver, in addition, you can also repair the system according to the above method, as well as the driver life, super rabbit and other software).
The driver comes with the computer, there are official websites to download, software such as Driver Genie, Driver Life, Super Rabbit and other software.
4. The computer does not install the audio device how to do
Details are as follows:
Right-click on "My Computer" ---- "Properties" - - "Hardware", "Hardware", "Properties" and "Hardware". reinstall the sound card driver. This is most likely due to the removal of the sound card driver or the sound card hardware.
If you have a motherboard driver CD-ROM, you can install the sound card driver through this CD-ROM; if you know the model number of the sound card or the motherboard model, you can go to the motherboard manufacturer or the Driver's Home website to download the driver, and then install the sound card driver; through the Driver's Wizard, Driver's Life, and other applications to help you to the Internet to search for the download of the sound card driver for the installation of
5.
1, boot press F8 not move to the advanced options appear in the release, select "the last correct configuration" enter repair.
2, the simple way to use the system comes with the system restore, restore to the time you do not have this fault repair (or restore the system with restore software).
3, if the fault remains, please reinstall the sound card driver (in not reinstall the system).
Using the system comes with the system restore method:
System comes with the system restore: "Start"/"Programs"/"Accessories"/ "System Tools". "System Tools"/"System Restore", click on "Restore my computer to an earlier time", press next, you will see the date page has a dark date, that is Restore point, you choose, click Next to restore (Win7 restore system, in Control Panel then Devices and Security sub-options then Backup and Restore Options).
6. What to do if you don't have an audio device
You can try the following to solve the problem of not having an audio device.
"There is no audio device cause:
i. The sound card is not securely fastened, or the sound card is not securely fastened. ii. The sound card is not fixed securely, or the sound card has been damaged
ii. Caused by the virus problem, , some security antivirus software in the detection and killing of viruses will be infected by a virus Trojan horse system files as a virus detection and killing, and do not give the repair caused by, for example, dsound file.
Three. The sound card driver related programs are corrupted or the driver installation fails.
iv. Audio device services are disabled.
No audio device solution:
i. Check if the sound card is plugged in or not. Detect whether the sound card is plugged in or damaged, if you do not know how to operate, we recommend that you take it to a professional repair station.
Secondly, check if your computer has been infected by a virus or a Trojan horse. Check if the computer is in a virus Trojan horse, it is recommended to use Kingsoft Defender for Trojan horse killing.
1, enter the main interface into the Trojan horse
2, and then click on the fast scanning
three. If there is no problem with the sound card itself, see if there is an audio device in the device manager, and if the driver for the sound card is installed successfully.
You can try the latest product from Kingsoft Networks, Kingsoft Installer Wizard.
1. After installing Kingsoft PC Installer, click Start Now on the right side of Install Driver
2. Open the Install Driver interface, and PC Installer will automatically detect uninstalled sound card drivers for you. "The driver will be installed; at the same time, it will detect the damaged hardware drivers and click "Repair" to make sure the sound icon is restored;
4. The system service may have stopped causing "no audio device".
1. Click Start in the lower-right corner of the desktop, and find "Run"
2. Type services.msc and enter to open the service
3. Find the windows Audio service, right-click it, and check the properties
4. Set the startup type to "Automatic". Set the Startup Type to "Automatic" and click the "Start" button under Service Status."
7. What to do if your computer has no audio device
The "no audio device" message on your computer is usually caused by a damaged sound card, a disabled sound card, or no sound card driver installed. The first thing you need to do is to get a good look at what you're doing, and then you'll be able to see what you're doing.
Why does "No Audio Device" occur?
I. The sound card is not fixed firmly, or the sound card has been damaged
2. The problem is caused by viruses, some security anti-virus software will kill the system files infected by viruses as viruses, and do not give the repair caused by, for example, dsound files.
Three. The sound card driver related programs are corrupted or the driver installation fails.
iv. The audio device service is disabled.
How to fix "No Audio Device"
Step 1: Enable the audio device
Follow these steps to check if the audio device is disabled, and if it is, please re-enable the audio device:
1. "Start, right-click My Computer, and select Properties.
2. In the System Properties window, click the Hardware tab, and then click the Device Manager button.
3. In the Device Manager window, click the "+" sign next to Sound, Video, and Game Controllers. If an item in the Sound, Video, and Game Manager drop-down menu has a red "*" icon, right-click on it and select Enable.
4. If none of the speaker icons have a red "*", skip to the next step.
Note: The image above shows a SoundMAX sound card for example, if you don't see your sound card's name under Sound, Video, and Game Controllers, it means that you don't have drivers installed for your sound card, so please skip to Step 2: Reinstall Sound Card (Audio) Drivers.
5. Enable all items under Sound, Video, and Game Controllers, and then close the Device Manager window.
Test the computer for sound. If your computer still doesn't produce sound after you've done the above, proceed to the next step.
Step 2: Reinstall the sound card (audio) driver
We can see if there are any audio devices in the Device Manager or devices that do not have a driver installed, and if so, try installing the sound card driver first.
Step 3: Check your computer for viruses and Trojans, and use antivirus software to check your computer for Trojans.
Step 4: Detect whether the sound card is plugged in or damaged, if you do not know how to operate, we recommend that you get a professional repair station.
Step 5: The system service may have stopped causing "no audio device".
1. Click Start on the bottom right corner of your desktop and find "Run".
2. Type "services.msc" in the "Open" field and click the "OK" button.
3. In the "Services" window, find the windows Audio service, right-click on it, and select "Properties".
4. In the Windows Audio Properties window, select Automatic from the Startup Type drop-down list, and then click the Start button. "Start" button to start the audio service.
5. Click the OK button to check if your computer can produce sound.
If the computer can produce sound at this point, the software program may have disabled Windows Audio or prevented Windows Audio from starting with Windows.
If your computer still doesn't produce sound after you've done this, proceed to the next step.
Step 6. Set Onboard Audio in BIOS to Auto
. If the sound card is not present in the device manager, it may be disabled, and you can enable it by going to the BIOS settings. If you are using an onboard sound card, just restore the BIOS default settings.
You must set the onboard audio settings in BIOS to match your specific audio hardware configuration. To reset the Onboard Audio setting to Auto, follow these steps:
1. PC, press the F1 key repeatedly until the "BIOS Setup" window opens. The "BIOS Setup" window opens.
2. In the "BIOS Setup" screen, press the "F5" key.
3. "Yes" or "OK" and press "Enter".
4. F10. Select "Yes" or "OK" and press "Enter" to save the default settings.
5. Windows, and then test the computer to see if it can produce sound. If the computer still doesn't make any sound after you've done the above, proceed to the next step.
Step 7: Reinstall the sound card
If your computer has a sound card installed, you may need to reinstall it.
Test that your computer produces sound. If your computer still doesn't produce sound after you've done the above, proceed to the next step.
Step 1: Perform a System Recovery
Disconnect your computer from the network and perform a System Recovery to restore all the initial system files.
If after performing System Recovery, your computer still does not make sound, please send it for repair.
8. How does the computer show that there is no audio device if the driver is not installed, and how does it say that the device is running
The volume icon disappears and the sound is still normal in three cases: One: "Control Panel" - "Sound and Audio Devices" - "Sound and Audio" - "Sound and Audio Devices" - "Sound and Audio Devices" - "Sound and Audio Devices" - "Sound and Audio Devices". "Sound and Audio Devices" - "put the volume icon in the taskbar" once manually turned off.
Just turn it on. The second: "Put the volume icon in the taskbar" checkbox, invalid.
Lost sndvol32. exe, file path C:\WINDOWS\system32, you can upload a sndvol32.
exe in another machine, or find a system CD-ROM to find the sndvol32. ex_ file copied to the system32, and then rename it as sndvol32.
The third type: if you have a problem with the volume icon in the taskbar, you can just turn it off manually. p> exe Third: If you have used software to remove startup items, and accidentally removed the volume icon startup. In this case, "put the volume icon into the taskbar" check box, the volume icon appears, but after reboot the volume icon is not restored, you must set it again in the control panel.
(In this case, the network connection icon may also disappear). In this case it is enough to restore the deleted entries in the startup section of the registry.
"Start" - "Run" enter regedit to open the registry, open HKEY_LOCAL_MACHINE\ in order. SOFTWARE\Microsoft\Windows\CurrentVersion\Run In its right window, create a new string "Systray" (right-click on Run and click New), the key value (double-click on Systray to edit) is "c:\windows\system32\Systray. exe". If it is a Win2000 system, it is "c:\winnt\system32\Systray.
exe". If you can't, reinstall the sound card driver.
9. There is no sound device installed on the computer, how to install it
Install the sound card driver.
(a) Right-click on "My Computer"---- "Properties"---"Hardware"---- "Device Manager". ", expand the "sound, video and game controllers", see if there is a yellow "?" in front of it. If there is a yellow "?" in front of it, it means that the sound card driver is missing. If there is no sound card driver, it means that the sound card driver is not working properly, so right-click on the sound card and select "Uninstall" to remove it. (b) how to know the sound card model do not know the model of the sound card, look at the expansion of the "sound, video and game controllers" under the string of characters and numbers is the model number of your sound card, you can also "Start" - "Run" - type dxdiag to open the "DirectX Diagnostic Tool" - Sound, and look for it in the interface that opens.
(3) CD-ROM installation Put the driver CD-ROM of the sound card into the CD-ROM drive, right-click on the "Sound, video and game controllers" under the ? The first option is "Update Drivers", which opens the "Hardware Update Wizard", select "Yes, this time only" --- "Next" --- "Update Drivers". " --- "Automatically install software" --- "Next", the system will automatically search for and install the sound card driver in the CD-ROM, if the CD-ROM is not suitable for you to use the sound card driver, and then try to change one, until complete. (D) download the driver software installation 1, download the sound card driver site quite a lot of easy way is, in the comprehensive home page of a large website, your sound card model entered into the "Search" text box, press the "Search" button, from the interface that opens, select the site where you want to download the driver. The driver is available for download on a variety of websites.
2. In the open website, if the driver software you want is not displayed, you can use the website search engine to search for it. 3, download the driver software to pay attention to: one is the brand model to be right, the second is in what system will be used, the third is to look at the driver software announced the time, the latest may not be suitable for use, you can download more than a few, pick to make.
4, download the driver software generally have automatic installation function, open, click that is automatically installed. If you can't install it automatically, unzip it and keep it ready for use, and note the specific path of the software on the disk, such as D:\ ......\.......
Right-click on "My Computer" ---- "Properties" --- "Hardware" ---- "Device Manager "Open Sound, Video, and Game Controllers", right-click on "Sound, Video, and Game Controllers" under the ? No. sound card option, select "Update Driver", open the "Hardware Update Wizard", remove the check mark in front of "Search for removable media", check "Install from a list or specified location". list or from a specified location"---"Next", check "Include this location in the search", fill in the path to the sound card driver folder you want to use in the drop-down list box (D: \ ......\......---"Next", the system will automatically search and install the sound card driver in the location you specified. （The system automatically searches for and installs the sound card driver in the location you specified.
(6) into my computer's hardware device manager - right-click on the sound card - Properties - Resources - to see if there is a conflict, there is into the BIOS through the settings to solve.