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Created with Fabric.js 1.4.5 Check the to be sure that the mute button has not been depressed. TROUBLESHOOTING Audio Problems No audio Check to be sure that your connections are correct and are finger-tight Check that the coaxial cable is finger-tight. It may be loose or disconnected Cable connections are disconnected or loose. Reconnect the cable to be finger-tight Verify wires are not fryed and plugs are not bent or broken Poor audio quality Use the remote control to set the set top to approximately 1/4 maximum volume level and then adjust the audio levels on the external devices For other, less common, media players and their plugins, seethese websites: RealPlayer VLC Only one stereo speaker has audio If a plugin is disabled in the Add-ons Manager, you won't be ableto use it. Click the menu button and choose "Add-ons". TheAdd-ons Manager tab will open. In the Add-ons Manager tab, select the Plugins panel. Review the list of plugins to see if any of them aredisabled. To enable a plugin, click on "Never Activate" andselect either "Ask to Activate" or "Always Activate"in its drop-down menu. If you see an "Activate (name of plugin)" icon on web pages, wherethe plugin content should be, you'll need to click on the icon toactivate the plugin. Update your plugins Check that you have the latest versions of all your plugins.Go to our Plugin Check page and follow the links to updateany plugins that are out of date. Allow Plugin Container in yourInternet security program Allow your Internet security software (including firewalls antivirus programs, anti-spyware programs, and more) totrust plugin-container.exe, also known as "Plugin Container"for Firefox. For detailed instructions, see "Configure firewalls"so that Firefox can access the Internet where in that caseFirefox means Plugin Container for Firefox. Disable a conflicting plugin If you have more than one plugin installed that can handle thesame media type, this can cause a conflict that prevents someembedded media from playing. You may be able to fix the issueby disabling one of the plugins. Click the menu button and choose "Add-ons". TheAdd-ons Manager tab will open. In the Add-ons Manager tab, select the Plugins panel. In the list of plugins, select the plugin you wish totroubleshoot. If you want to disable the plugin, select "NeverActivate" in its drop-down menu. If you want to re-enable the plugin, select "Always Activate" in its drop-down menu. For example, you may need to disable the VLC plugin to playembedded QuickTime or Windows Media content. For moreinformation about troubleshooting problems caused by plugins,see the Troubleshoot issues with plugins like Flash or Java tofix common Firefox problems article. Other Solutions Clear the cache See How to clear the Firefox cache. Disable interfering extensionsor ad-blocking software Ad-blocking software, such as anti-banner filtersof your Internet Security program, or extensions,such as Flashblock or Adblock Plus, can preventaudio or video content from playing. If the siteworks with ad-blocking disabled, you may want toadd the site to your whitelist in your adblocker filter. Any Firefox extension can also block plugins. If thevideo or audio plays when you disable all extensions,then one of your extensions was causing the problem.For more information, see Troubleshoot extensions,themes and hardware acceleration issues to solvecommon Firefox problems. Verify that cookies are enabled in the Privacy panel inthe Options window. Verify that the site is not blockedin the Cookie Exceptions list. Allow the website as an exception in the Firefox pop-upblocker. The "Block pop-up windows" option is found inthe Content panel of the Options window. Remove specific entries in thehosts file (advanced users) If you use a hosts file, you can temporarily disable it by renaming itXhosts. Or, you can edit the hosts file to remove specific entries suchas "" that can cause videos on certain sites to fail (for more information, see this MozillaZine forum thread). To applychanges to your hosts file, you may need to flush the DNS cache byentering the command: "ipconfig /flushdnsin" the Run dialog boxon Windows. Check some Firefox settings Power Problem: Power button does not work Solution 1 If your computer does not start, begin by checkingthe power cord to confirm that it is plugged securelyinto the back of the computer case and the power outlet. Solution 2 If it is plugged into an outlet, make sure it is a workingoutlet. To check your outlet, you can plug in anotherelectrical device, such as a lamp or cellphone, and seeif it receives electricity properly. Solution 3 If the computer is plugged into a surge protector, verify that it is turned on. You may have to reset the surgeprotector by turning it off and then back on. You can alsoplug a lamp or other device into the surge protector toverify that it is on. Solution 4 If you are using a laptop, the battery may not be charged.Plug the AC adapter into the wall, then try to turn on thelaptop. If it still doesn't start up, you may need to wait afew minutes and try again. Problem: An application is running slowly Solution 1 Close and reopen the application. Solution 2 Update the application. To do this, click the Help menu andlook for an option to check for Updates. If you don't find thisoption, another idea is to run an online search for applicationupdates. Problem: An application is frozen Sometimes an application may become stuck, or frozen. When thishappens, you won't be able to close the window or click any buttonswithin the application. Solution 1 Problem: An application is frozen Solution 1 Force quit the application. On a PC, you can press (and hold)Ctrl+Alt+Delete (the Control, Alt, and Delete keys) on yourkeyboard to open the Task Manager. On a Mac, press and hold Command+Option+Esc. You can then select the unresponsiveapplication and click End task (or Force Quiton a Mac) to close it. Solution 2 Restart the computer. If you are unable to force quit an application,restarting your computer will close all open apps. Monitor Solution 1 Turn off the computer and the monitor. Disconnect and then reconnect the monitorvideo cable from the back of the monitor. Check for bent pins on the connectors. Turn on the monitor, and then turn on thecomputer. Solution 2 Plug the monitor and computer powercables directly into a known good outlet. Connect the monitor to a different computer. Connect another monitor to the current computer. Refer to the self-test section of the specific monitor. Disable interfering extensions or ad-blocking software Clear cache See how to clear Firefox cache. Video does not display If you have more than one plugin installed that can handle the samemedia type, this can cause a conflict that prevents some embeddedmedia from playing. You may be able to fix the issue by disabling oneof the plugins. Try disabling hardware acceleration Refresh your browser window. Close all other tabs and windows in your browser. In the list of plugins, select the plugin you wishto troubleshoot. If you want to disable the plugin, select "NeverActivate" in its drop-down menu. If you want to re-enable the plugin, select"Always Activate" in its drop-down menu. Slow loading, choppy playback Audio is noisy on one channel Video Problems
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