Laptop Hum: Difference between revisions - Bose Portable PA Knowledge

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<noinclude>This page is a stub. Please help by adding more information if you can. Thanks [[User:ST|ST]] 20:29, 8 December 2007 (GMT-7)</noinclude>

From the Dell Audio Faq

;From the Dell Audio Faq

"How do I eliminate the buzzing noise from my speakers or headphones that occurs only when my system is connected to AC power?

"How do I eliminate the buzzing noise from my speakers or headphones that occurs only when my system is connected to AC power?"

Ensure that both the computer and any external speakers are plugged into the same outlet or power strip. This should eliminate or minimize the buzzing associated with a ground loop. You should not assume that all outlets in a single room are on the same circuit. Outlets may be on different circuits, even when they are close to each other. In studio type situations where buzzing associated to a ground loop is unacceptable, an isolation transformer can be used. An isolation transformer should eliminate the problem, but is typically expensive. While a three to two prong wall outlet adapter (removing ground) will eliminate the noise, for safety concerns this solution is definitely not recommended. "

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 <noinclude>This page is a stub. Please help by adding more information if you can. Thanks [[User:ST|ST]] 20:29, 8 December 2007 (GMT-7)</noinclude>
 <blockquote>
-From the Dell Audio Faq
+;From the Dell Audio Faq
-"How do I eliminate the buzzing noise from my speakers or headphones that occurs only when my system is connected to AC power?
+"How do I eliminate the buzzing noise from my speakers or headphones that occurs only when my system is connected to AC power?"
 Ensure that both the computer and any external speakers are plugged into the same outlet or power strip. This should eliminate or minimize the buzzing associated with a ground loop. You should not assume that all outlets in a single room are on the same circuit. Outlets may be on different circuits, even when they are close to each other. In studio type situations where buzzing associated to a ground loop is unacceptable, an isolation transformer can be used. An isolation transformer should eliminate the problem, but is typically expensive. While a three to two prong wall outlet adapter (removing ground) will eliminate the noise, for safety concerns this solution is definitely not recommended. "
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 </blockquote>
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