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Step 1
Navigate to Firefox's address bar, type "about:config" and press "Enter."
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Step 2
Type "typeahead" in the Filter field.
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Step 3
Double-click on the "accessibility.typeaheadfind.enablesound" option. Verify that the line turns bold and the value has changed to "false," as this signifies that the sound has been disabled.
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Step 4
Close all windows and restart the browser to enjoy a sound-free "Find in Page" function.
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Step 1
Visit websites that offer short .wav clips and pick one that you prefer. Short .wav files are best suited as a new "Find in Page" sound. Try to choose to .wav file that contains a single beep or, at most, a few beeps.
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Step 2
Pay for the sound, if necessary.
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Step 3
Create a .wav file if you can't find one that suits you. Use a sound editing program and your favorite song or splice a specific sound out of it. Save the file onto your computer as a .wav file.
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Step 1
Return to the "about:config" panel and double-click "accessibility.typeaheadfind.enablesound." Verify that the line's value has returned to "true" so that the sound is turned on again.
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Step 2
Find the "accessibility.typeaheadfind.soundURL" line and double-click it.
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Step 3
Enter the location of your new .wav file into the field.
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Step 4
Restart the browser.







