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microphone static need help

microphone static need help
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I get static on my microphone when recording and i don't know what is making it static. my microphone is sm58 so its not a cheap one and my cable is a monster cable so i know its not the mic or the cable(they work fine on my old computer). the problem is that i get static from both the front and back microphone jack but NOT when i use the line in jack.
I've tried everything i know from uninstalling/reinstalling the sound card drivers, making sure they are up to date and even just plugging in a adapter so my computer reads a mic being plugged in without there being a real mic in, and it still gives statics but if i use line in i don't get static at all. any advise on what is making both my front and back mic jacks create static but not the line in jack that is 100% clear when i use it.
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Razer Megalodon Compatibility issues?

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I've been having weird periodic mic muting with my new razer megalodon.
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