What is the reason for the lack of sound in the Win7 system? In fact, it is very simple. It is nothing more than a few general problems, hardware problems or driver problems, or it may be a problem. As long as we carefully check it out, we can solve the problem that Win7 has no sound.
Computer
Win7 system has no sound check steps:
1. Sound card driver check
1. First of all, we are sure that the hardware is ok. In this case, you can check if the sound card driver is OK. Many computers have no sound because the sound card driver is not installed or incompatible. The solution is to find the driver corresponding to the computer sound card. You can check if the sound card driver is installed properly in Device Manager:
2. In the pop-up window, select <;Device Manager”——“Sounds, Video, and Game Control "Check the sound card driver for an exclamation point."
3. There is a problem with the graphics card driver reference picture (if you want to completely eliminate the driver problem, you can directly download the latest related sound card driver and reload it directly)
Check the sound property settings first go to the control panel —— sound options, there should be a device like a speaker under the play tab, double click to open the properties window, in the level tab, to keep the speaker button as normal, As shown below.
3. Check that the line is OK Check the cable for proper connection check to ensure that all cables are plugged into the correct location, including speakers and headphones, HDMI cable, USB audio device, and other audio equipment. If you want to use external speakers, make sure they are properly connected to your computer. Many computers have three or more jacks connected to a sound card or sound processor, including a microphone jack, line input jack, and line out jack. The speaker should be plugged into the line out jack. If you are not sure which jack it is, try plugging your speakers into each jack to see if any of the jacks can sound.
Through the above troubleshooting steps to find out the problem, you can easily solve the problem of no sound in Win7 system. As long as you have the patience and careful investigation, as long as it is not a hardware problem, you can get it quickly.
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