1. Update Internet ExplorerUse the latest version of Internet Explorer for your operating system, and then apply any applicable updates that are offered by Windows Update.
2. Test the video in Compatibility ViewSome websites may have been designed for earlier versions of Internet Explorer. Switch to Compatibility View, and then see whether the video plays.
3. Make sure that add-ons are installed and enabledMake sure that the necessary add-ons are enabled in Internet Explorer. To do this, follow these steps:
- On the Tools menu in Internet Explorer, click Internet Options.
- Click the Programs tab, and then click Manage add-ons.
- In the Currently loaded add-ons list, click Run without Permissions.
- Look for the following add-ons in the list that's displayed. If any of these add-ons are listed, make sure the Status for each is listed as Enabled.
- Shockwave Active X Control
- Shockwave Flash Object
- Java Plug-in (may be multiple add-ons)
- QuickTime Plug-in (may be multiple add-ons)
- Windows Media Player
- Shockwave Active X Control
4. Update to the latest add-onsUpdate your Internet Explorer add-ons to the latest version of Flash, Silverlight, and Java. You might have to uninstall and then reinstall the add-ons to make sure that the latest version is running correctly. Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
5. Turn off ActiveX filtering and Tracking ProtectionIf you are using ActiveX Filtering or Tracking Protection, some games or videos might be disabled.
Advanced troubleshooting steps
Test an online video by using Internet Explorer Software rendering modeHardware acceleration in Internet Explorer 9 and later versions lets Internet Explorer move all graphics and text rendering from the CPU to the graphics processing unit (GPU). Sometimes it’s necessary to enable or disable hardware acceleration to check for hardware or software compatibility issues when you're viewing certain websites. To disable hardware acceleration and to use software rendering instead of hardware rendering to view the site, click the following link to view the article on the Microsoft website:
Get the newest device driversBecause game performance can be affected by device drivers, make sure that you have the latest drivers for all your hardware. For more information about keeping your drivers up to date, see the recommended links for updating drivers.
Note You might also log on to the computer manufacturer's website and update the latest device driver updates for your computer, especially the graphics and chipset drivers.
Using other media applications to play videosIf you're using other media playing applications with Internet Explorer to play online videos, you may have to go to that manufacturer’s website and make sure that you have the latest version of that application and any necessary add-ons that are required for Internet Explorer 9.
Additional resourcesIf these steps don't resolve your issue, go to our Microsoft Community. There, you can search for answers or ask other users specific questions.
If you followed the steps in this article and searched for answers on the Answers forums, but your issue is still not resolved, you can contact Support to learn about available support options.
Find more tips, tricks and learning opportunities at the Small Business site: http://smallbusiness.support.microsoft.com.