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Precision M4600 Disable C-states in BIOS if Your makes coil whine

Discussion in 'Dell Latitude, Vostro, and Precision' started by kamerek, Jun 24, 2015.

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kamerek Notebook Guru

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I have bought recently refurbished Precision M4600 and experienced coil whine high pitch noise from the area near CPU and SSD. I thought it was SSD but today I have discovered thx some posts on the Internet that the problems may be CPU c-states enabled in BIOS. I have disabled the setting and now I am experienceing amazing silence.

I hope I have helped

kamerek, Jun 24, 2015

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