Simple but effective fight against computer noise

I always thought that the noise in the  computer wascreatedby exclusivelybythefans working insidetheairrun.Oh,howwrongIwas!Afterall,themainpartofthenoiseiscreatedbythecomputercaseitself.Theentirevibrationistransmittedtothebodyfromallworkingpartsofthecomputer suchas:harddisk,fansorcooler.
Andwhatismostinterestingisthatthevibrationfromthebodyisprettygoodon surrounding objects,in particular onthestandonwhichstandsthe computer.
Iwillofferyouonesimpleactiontounderstand-fiveminutesisenough,tomakeyourPCalittlequieter!Forthisyouneedtoputvibro absorbing materialbetweenthePCandwhatitisworthit.Thematerialmaybedifferent,butthesofterandthickerthebetter.Inthetopofthesematerialswillbeapieceof foamrubber.HereismyPC.Itmakesnoisedecently.Afterasoftfabricunderlay,thedifferenceisquitenoticeable!In particular lowfrequencynoisedisappeared.TheCouncilhaswhattodoforyou.Good luck!