YouTube is the world's No.1 video giant with a vast array of sources, be it videos, movies, music or TV shows. But while people are indulging in its unlimited resources, they are also enduring a constant problem of YouTube not working on Mac, PC, iPhone, iPad or Android for difference reasons. The help center will guide you to troubleshoot the YouTube down problem one by one.
Step 1: Check Internet connection;
The first step is to check your internet connection in case of the problem with YouTube stopped working. A smooth video viewing experience relies on a fast internet connection. Generally, for a 1080p YouTube video, it uses up 15.96 MB of the Internet data, three times as much as a video shown in 480p. So you need to speed up your Internet up to 18 Mbps to solve the YouTube problem. If bandwidth consumption is what you concern most, you'd better download YouTube videos with a free video downloader to save YouTube videos to Mac, PC or iOS/Android devices instead of online watching.
Step 2: Clean browser cache and cookies;
The browser cache, aka temporary internet files on your browse, may causes the YouTube problems playing videos, especially when it is full. And to empty it will solve the YouTube not working error.
1. For IE, go to Tools -> Setting menu -> Safety -> Delete Browsing History.
2. For Firefox, go to the menu in the top left corner -> tap the right arrow next to History -> click Clear Recent History.
3. For Chrome, open the Tools menu -> Options -> Under the Hood tab -> Clear Browsing data. Still have YouTube down problems? Check the solution to YouTube not working on Chrome problem.
4. For Safari, navigate to settings -> Safari -> touch the clear cookies section -> empty the browser cache by tapping clear cache. This is typical case on Mac OS. You can also turn to the YouTube not working on Mac for more tips.
Step 3: Make sure to have the latest stable Adobe Flash Player installed;
HTML5 video has the tendency to replace Adobe Flash, but this seems to be a long way to go in particular for the YouTube videos, most of which requires Adobe Flash Player plugin rather than HTML5. For the browsers except for Chrome that has the Adobe Flash Player plugin preinstalled and updates it regularly, make sure to do the following tips to avoid any YouTube playing error.
1. Have a Flash Player installed on your computer or mobile.
2. Update your flash player to the latest stable version.
Related: YouTube not working on iPhone, YouTube problem on iPad
3. For IE, go to Tools -> Internet Options -> Security Tab -> Click on Custom Level -> Scroll down to Scripting -> click Enable for Active Scripting.
Step 5: Tweak the firewall settings;
Firewalls can be used to keep your computer safe but also causes YouTube videos not loading problem from time to time. Typical firewall such as MaAfee or Comodo blocks YouTube videos if it is in work. So you have to uninstall it or make YouTube the authorized website to deal with the YouTube loading problem or YouTube loading slow errors.
Step 6: Disable unnecessary browser plugins.
YouTube sometimes malfunctions due to other add-ons or plugins, such as web accelerators, adblocks and download plugins. These unnecessary plugins may either have an impact on YouTube video loading or slow down YouTube. In this case, you are suggested to disable the add-ons to make sure YouTube works smoothly without any problem.
Streaming video on YouTube allows viewers to watch video instantly but the YouTube buffering or loading problem can be its Achilles' heel on the other hand. If the YouTube videos you are watching are slow to load or buffer on your computer, you can just have the YouTube problem resolved and make YouTube videos load/buffer faster by following the YouTube tips below.
Step 1: Adjust some WiFi settings
A practical fix for YouTube buffering problem is to change the Wi-Fi setting, which makes a huge difference regarding to video loading or buffering on YouTube.
Go into Setting -> Wi-Fi -> Settings -> Advanced and uncheck Wi-Fi optimization.
Step 2: Block IP addresses used by CDNs
Frankly, rather than being played from YouTube, video is played from Content Delivery Networks (aka CDN) that the content was cached previously and stored. So the first step to speed up your YouTube buffering problem is to block the IP address ranges to avoid CDNs and make your video buffer from the YouTube server.
1. For Windows users, please open Command Prompt -> copy and paste the code into the window: netsh advfirewall firewall add rule name="YouTubeTweak" dir=in action=block remoteip=184.108.40.206/24,220.127.116.11/16 enable=yes -> tap Enter -> close Command Prompt -> restart your browser and internet connection.
2. For Mac users, open the Terminal -> Enter the code: sudo ipfw add reject src-ip 18.104.22.168/24 in -> tap Enter -> input your admin password -> Enter the code: sudo ipfw add reject src-ip 22.214.171.124/16 in -> tap Enter -> close Terminal.
Step 3: Use YouTube Beta Feather
Understanding not everyone has a fast internet connection, YouTube provides an opt-in feature YouTube Feather that caters to stop YouTube videos buffering or loading. So problem with YouTube buffer or load is a headache for you, don't hesitate and follow the guide below:
Enter the url: youtube.com/feather_beta -> tap Join the "Feather" Beta -> Watch video with improved YouTube buffering.
Step 4: Change Video Quality
High-quality video watching is usually bound to heavy bandwidth usage and leads to video buffering constantly if having a slow internet connection. So tweaking the video quality to a lower resolution can be a big help for the playback errors or the YouTube buffer problem.
Tap the Setting button in the right corner -> click the quality -> set the resolution to 480p or below.
Step 5: Use HTML5
Another way to watch YouTube video without any lag or buffer problem is to use HTML5 instead of the plugin Java.
Scroll to YouTube footer -> tap Try something new! -> select Try it out under the HTML5 video section.
Actually, there are other options to improve the YouTube loading speed and watch YouTube videos in HD without any lag, such as clear cache, restart the video, check for the latest system update, etc.
Step 6: Use a YouTube video downloader
Many people will suffer from slow YouTube buffers, or worse, YouTube down with buffering, even though you have a lightning internet connection. But to download YouTube videos to computer with the aid of YouTube video downloader can thoroughly resolve the YouTube loading problem once and for all. MacX YouTube Downloader is just the freeware with no malware or virus and leads you to 100% successful YouTube video download for free.
While you are playing YouTube videos, another most common problem is that the YouTube sound is not working. Some problems of no sound on YouTube, owing to the copyrighted audio track in the YouTube video or a recent code change by Google, can never be fixed until Google fixes it. But if the no sound on YouTube error is caused by some other reasons, just check the steps below:
Step 1: Check whether your sound card is working
Go to other online video sites like Dailymotion to see if there is sound while playing videos. In case all the other videos play with sound except that there is no sound when playing YouTube videos, then the sound card does work and you have to check other reasons for the YouTube no sound problem.
Step 2: Check whether you turn on sound on your computer
The problem of YouTube no sound can be caused by your careless mistaking like forgetting to turn on the sound. So you need to go to the computer controls -> click on the speaker to see if there's an X that means the volume has been muted -> Click the X to unlock the sound if so. Lisewise, please click on the X if it shows on your YouTube video.
Step 3: Download the Latest Adobe Flash player.
The issue of no sound when playing YouTube video appears when you are using the elder version of Adobe Flash player. If so, please download the latest one. If you just update the flash player and have the no sound on YouTube problems, note that the latest Flash player may have the volume slider turned down.
Perhaps YouTube videos not playing, such as YouTube videos not working or get stuck, is the most common YouTube problem that you've encountered either with YouTube app or on Chrome, Firefox, Safari or IE. If you do get YouTube down error message: Playback error tap to retry after a series of changes like firewall setting adjustment, please take a look at the following YouTube tips to get a fix of YouTube videos won't play issue.
Step 1: Install the latest and stable version of flash player and browser
Step 2: Check if the Firewall blocks the Flash content
Step 3: Clear caches and browsing history
Step 5: Ensure a fast internet connection
Step 6: Check the upload traffic, if it is heavy, wait and uploading the video later
Step 7: Encode your video in a YouTube supported video format with a video converter.
Solutions to YouTube black screen problem scatter all over the internet, most of which are one-sided. But you can find all the troubleshooting steps that work for you if you are stacked with such kind of YouTube problem.
Step 1. Uninstall and reinstall the latest version of Adobe Flash player
Step 2. Clear your browser's cache, exit the browser and restart it as some users reported that the YouTube black screen disappears upon clearing the browser data.
Step 3. Disable graphics/flash hardware acceleration. You can right click the video area -> choose the Settings -> Unselect Enable hardware acceleration -> click the Close button.
Step 4. Disable HTML5 YouTube setting. Firefox shows black screen especially when playing YouTube video using HTML5 player which is YouTube's default player now. So you are suggested to install an extension to force YouTube use Flash as the player as workaround in case of the black problem problem on YouTube caused by HTML5 player. -> how to download HTML5 video.