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Old 05-11-2011, 11:36 AM   #29
AnyOtherCity
Human being with feelings
 
Join Date: Oct 2009
Location: Sheffield, UK
Posts: 215
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My experience was always that running my laptop on battery eliminated the noise. However, being a crappy windows laptop the battery life is only about 1.5 hours so I now just live with the compromise of ground loop isolator and very slight hum.
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