After changing the file extension of the MP4 files, you can go to play the MP4 video again to see whether it can work normally.
However, this solution is not available in all situations. It can even break the MP4 video you want to play. We will remind you again: please back up your MP4 file before changing its file extension. If you encounter the MP4 file not playing issue while you are using the VLC media player, you should consider whether there is something wrong with the VLC settings. To rule out this possibility, you can change some settings in VLC media player. Here are the things you should do:. You will see the Simple Preferences interface.
Next, find Hardware-accelerated decoding in the Codecs If it is set as Disable , you need to change it to Automatic. But if Hardware-accelerated decoding is already set as Automatic , this solution will not work for you. You may need to change the video format to solve the MP4 file not playing issue. The effective method to solve this issue is to convert your MP4 file to a supported video format. How to convert an MP4 video format? You need to use a professional MP4 video converter.
MiniTool Video Converter is a good choice. This software is specially designed to convert a video from its current format to another format that you want to use. MiniTool Video Converter is free software. You can go to its official site to download it on your computer.
You can also just click the following button to directly get it. Free Download. Click Convert all files to that is on the bottom left side of the interface and go to Video. Then, select the video format and quality you want to use. Here, we take 4K MOV as an example. Therefore, you must ask the administrator for permission to enable those features. Have you ever noticed any noise coming from your computer? Does the video signal is interrupted from time to time or works slowly, restarts, or displays blue screens of death BSoD?
These are usually indicators of a malfunction of any of the multiple components of the computer. I will describe some of the most common errors regarding hardware:. Hard Disk: The errors of reading or writing on the hard disk make it impossible for you to open your documents or files including videos or they do it very slowly, this usually happens after a long time of using, since, like any component, it has a shelf life.
Solution: You can search a computer component store for a part that is compatible with your computer, for this you will need to find out the model of your Motherboard to know what type of hard drive is right for you. It can be due to various problems, such as the malfunction of a module, however, the most common problem is usually the lack of RAM and is quite simple to solve.
Solution: you will have to acquire a new RAM card of greater capacity, for this, you will only need to know the model of your Motherboard since there are different types of RAM and you will need to find out which model is the one that your PC needs, I recommend you ask the advice of your component supplier before making a purchase.
Video Card: Graphics Processing Units GPU are the processing units responsible for graphic processes, this includes the reproduction of videos among many other functions. In some cases, processors CPUs already include this function as an alternative to the use of a video card, however, if this is not your case, you will have to pay attention to your graphics card as this may be the reason of the issues.
Solution: You must replace the damaged graphics card with a new one but you must consider that there is a wide variety of graphics cards designed for different purposes, there are basic graphics cards, which are affordable and offer enough performance to play videos even on a 4k resolution. All video files have a format through which information and coding are organized. Video playback applications can play or not certain types of files depending on the compatibility with the formats and codecs.
Windows Media Player can play a very diverse amount of video formats, including MP4, however, not everything depends on the format but also on the Codecs. In most cases, when you play an MP4 file, it must work correctly, however, there is a possibility of a compatibility issue between Windows Media Player and the file encoding.
There are two simple solutions to this problem and I will explain it below. There are several programs on the internet that can be useful for this task, you must download and install a video format conversion tool, in this case, I will use the UniConverter tool, and then I will explain how to use it, however, you can choose any tool of your choice.
You can download the UniConverter tool in the link that is written above, which is very easy to use and makes conversions with very high quality. After opening the installer, a box will appear where you can customize the language preferences, once everything is in order, you will have to click on "Install" to continue. In the "Target" section, click on the dropdown options button.
About the Author. Reviews and Awards. Nor can I find the file in the download folder. I know the file has been downloaded because the computer shows space has been taken up. Where do I find my downloaded files? What is the default download location for files on Windows? Is there a fix in which I can get the files to be updated into my download folder? Quite a lot of users have this issue that downloaded files not showing up on the desktop or download folder without any sign.
How to fix downloaded files not showing up on Windows 10 or Mac? On this page, you will find useful methods to deal with this problem. Why aren't my downloads showing up on the desktop or the download folder?
When you lose track of the files you've downloaded with your web browser, you can go to check the default save locations of your web browser through the settings. After you press the shortcut key combination, the Downloads window will open and display the recently downloaded files like the screenshot below.
You can click "Show in folder" to check the accurate save location. The approach is similar to change the location of files downloaded by other browsers. If your files are actually stored on the desktop, but the downloaded files not showing up on the desktop, the direct cause may be that the computer hides the icon.
The three steps above are the quickest way to fix downloaded files not showing up on the desktop. But sometimes this does not work so well; you can also find the missing files from the Downloads folder on your Windows: press the Windows key, type Downloads , and then press Enter. Also, you can use the same way on Windows computer to change the default save location of the web browser on Mac.
Under the "General" tab, click the "Save downloaded files to" option to set the destination.
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