Troubleshooting: Audio and video are not synchronized

Audio and video are not synchronized in Windows 10? It’s an annoying problem, especially when watching videos. Fortunately, you can solve this problem. Just follow the solutions mentioned in this Techquack post to easily get rid of the problem.

Windows 10 audio and video out of sync

Windows 10 audio and video out of sync

In Windows 10, you can often encounter audio issues and we have shown you some of them such as not working sound on a laptop, Windows 10 no sound, distorted sound, etc.

Another common problem is out of sync between audio and video. This happens often in Windows 10, if you encounter this problem, you may feel uncomfortable, especially if you are watching a streaming TV show.

The out-of-sync problem usually occurs in various web browsers such as Google Chrome, Firefox, or Edge. It can also occur when using Media Player for local video.

What’s causing the audio/video sync problems?

What's causing the audio/video sync problems?

This problem has several causes and depends on where it actually occurs: in the browser or when playing the video file on your computer. Nevertheless, you can make a shortlist of the most common causes, which can help you understand your scenario and choose the best method. There may be several reasons for this problem. Some of them are explained below.

Faulty sectors on your hard drive

If your hard drive is already causing problems, there is a good chance that your file is corrupted. Thus, you may be experiencing an audio/video sync problem. A hard drive has partitions or sectors that are used to store data.

If your hard drive saves a file in a bad sector of your Android drive, you will encounter the mentioned problem. This problem can be caused by physical damage as well as improper closure.
In any case, incorrect memory sectors in the device can cause these problems.

Viruses or malware

This is another serious and most common cause of video corruption, leading to synchronization problems. If your Android device is not protected by antivirus software, you will encounter this problem. If you encounter this problem, it is recommended to extract all the data so that you don’t lose important files.

Additional problems

  • Header correction of video files
  • Corruption of the Android system
  • Memory card error
  • Compression problems
  • Incomplete loading
  • System crash
  • Using an unreliable media player

Windows 10 Audio and Video Bugs Fixed

Windows 10 Audio and Video Bugs Fixed

Updating audio device drivers

As always, outdated or corrupt device drivers can be a problem. Updating device drivers or reinstalling them can solve all kinds of problems, including audio and video synchronization issues. To update device drivers for Windows 10 :

  • Open Settings.
  • Click Update and Security.
  • Click Windows Update.
  • Click Check for updates.

Install the Microsoft driver:

  • Open Start.
  • Find the Device Manager and click on the top result to open it.
  • Double-click the category with the device you want to update.
  • Right-click the device and select Update Driver.
  • Click the option Automatically check if the driver software is up to date.

Install the driver from the manufacturer:

  • Open Start.
  • Find the Device Manager and click on the top result to open it.
  • Double-click the category with the device you want to update.
  • Right-click on the device and select Update Drivers.
  • Click on the option Search for the driver software on your computer.
  • Click on Browse.
  • Select the main folder containing the previously extracted content.
  • Click the OK button.
  • Check the Include subfolders option to allow the wizard to locate the correct .inf file with the driver update instructions.
  • Click the Next button.
In the BIOS, disable HPET

The High Precision Event Timer is a simple hardware timer used in personal computers.
It provides great accuracy and resolution when it comes to generating interrupts. Users have reported that disabling this timer in the BIOS does wonders for audio and video out of sync, making them magically disappear! Try it below.

  • Turn the computer on and try to access the BIOS settings by pressing the BIOS button when the system is about to boot. The BIOS button usually appears on the boot screen and says, “Press ___ to enter configuration” or something similar. But there are other keys as well. Common BIOS keys are F1, F2, Del, etc.
  • It’s time to turn off the VPET. The option you need to change is in the BIOS firmware tools of different manufacturers under different tabs, and there is no clear way to find it. It is usually in the Power Management tab, but there are several names for the same option.
  • Use the arrow keys to navigate to the Power tab, Power Management, Power Management Setup, or a similar tab in the BIOS. Select an option called HPET or High Precision Event Timer or something similar.
  • After selecting the option, you will be prompted to select On/Off or Enable/Disable. Be sure to select Off or Disable.
  • Go to “Exit” and select “Save Changes”. The computer will continue booting. Check to see if the problem remains.
Priority settings can be sorted

If some applications have exceptional priority over audio devices, audio may be delayed during priority sorting.
Applications that may not even be active at this time may be controlling your speakers, resulting in delayed audio. Try the following steps to solve this problem.

  • Right-click the volume icon on the taskbar and select Sounds. If this icon is not on the taskbar, you can find the sound settings by opening the control panel, changing the display to “Category” and selecting “Hardware and Sound -> Sound”.
  • Make sure your speakers are enabled under the “Playback” tab by clicking on the device you are using at the top of the window. It should be at the top and selected.
  • Click on it once and then click the “Properties” button in the lower right corner of the window.
    In the properties window that opens, check the Use this device checkbox and select the Use this device (enable) option if you haven’t already done so and apply the changes.
  • In the same properties window, click the Advanced tab and select the Exclusive Mode check box.
  • Uncheck the boxes next to the “Exclusive Mode Request Priority” option. Also apply these changes by pressing OK, and verify that audio and video are now synchronized when you open the video in your browser or on your computer.
Troubleshoot the audio playback

This solution was suggested by a Microsoft expert and has helped many people, unlike the other generic answers users usually get. This solution is very useful because you will run the built-in audio playback diagnostic tool, which will try to identify and fix the error. Follow the instructions carefully:

  • Find “Settings” on the Start menu and click on the first result that appears. You can also click directly on the gear icon in the bottom left corner of the Start menu or use the Windows + I key combination.
  • Locate the Updates and Security section at the bottom of the Settings window and click on it.
  • Click the Troubleshooting tab and check the Start and Run tabs.
  • Troubleshooting with sound should be at the very bottom. Click on it and follow the instructions on the screen.
  • Verify that the problem has been resolved and that audio and video are now synchronized and playing simultaneously.

Most Frequently Asked Questions

  1. Open the video with desynchronized sound in VLC, then select Tools -> Synchronize Tracks (Mac users: select Window > Synchronize Tracks).
  2. Find the section called Audio/Video - in this window, there is a timer with up and down arrows to adjust the sound time.

The audio and video on my TV are out of sync or there is an audio delay. Several circumstances can cause audio and video to go out of sync. For example, if you have a DVD or Blu-ray Discâ„¢ player connected to your TV, the cause of the problem may be a poor connection or disc usage.

  1. Select an output format.
  2. Check the audio and video sync value.
  3. Stop playback.
  4. Select the format.
  5. Save the file.

  1. Launch this software. Select "Convert" and click "Add Files" to import the video(s) that have audio sync problems.
  2. Select the output format from the list of profiles on the right.
  3. Click "Execute" to permanently fix the bad audio/video sync.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.