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What would make a noise in a PC on graphics operations on a passively-cooled system?

Every time i scroll (either with the scroll wheel or scroll bar), and it affects a large part of the screen, my laptop cheeps/whimpers. It's a quiet and high sound - like "tsiiii"...
It has nothing to do with the sound card nor the internal speaker (These are disabled). I know some people that are faced with the same "issue".

Sound's weird, i know. Any ideas?

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marked as duplicate by Arjan, DMA57361, BinaryMisfit Dec 3 '10 at 15:04

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

with you on that one @Arjan – RobotHumans Dec 3 '10 at 11:55
(Still +1 for this very question, as the wording will make more people find it.) – Arjan Dec 3 '10 at 11:57
I have never seen this happen myself, but I remember reading somewhere that it can be stopped by turning off power saving in the BIOS options (not really something that you would want to do on a laptop). – paradroid Dec 3 '10 at 14:05
up vote 1 down vote accepted

I had the same question a few months ago, and the answer I got was that it was most likely the voltage regulators on the graphics card

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Thanks madmaze, i also read the duplicate question. – Zeemee Dec 6 '10 at 16:18

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