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pc pwer supply problem?

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Hi i can hear a differnt sound coming from my pc,a high pitched noise,flickering noise,hard to explain realy,i put my ear against the power supply and it soundsl ike that,only had the psu 3 months but… Read More
strobez1977 Avatar
8y, 1m agoPosted 8 years, 1 month ago
Hi i can hear a differnt sound coming from my pc,a high pitched noise,flickering noise,hard to explain realy,i put my ear against the power supply and it soundsl ike that,only had the psu 3 months but lost the reciept,is it worth me changing the psu now?its a 450w hiper one,dont mind chainging it as ive always thought the pdu has been to loud from the start

what would be a good one to get next aroundthe 500w
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strobez1977 Avatar
8y, 1m agoPosted 8 years, 1 month ago
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#1
Worth taking a look inside your PC as a cable may be brushing agains a fan ,It is ok to stop the Graphics card and psu fan for a second to see if it is either of them making the noise,
#2
Also check that its all working as a drop on the power may knock out your Graphics...If you looked inside as well and nothings touching they are cheap to change....Could leave it of for a few hours and see if it gets better..Good Luck
#3
tonyg1962
Worth taking a look inside your PC as a cable may be brushing agains a fan ,It is ok to stop the Graphics card and psu fan for a second to see if it is either of them making the noise,


would it be safe to open the case and hold down the cpu fan for a few sec?
#4
strobez1977
would it be safe to open the case and hold down the cpu fan for a few sec?


Yeah just put your finger on the middle of the fan for a second ,it will restart straight away,
#5
High pitched noises can often be power inverters so check all the other electronic stuff you've got on your desk (monitors seem particulaly prone to developing this).
#6
EndlessWaves
monitors seem particulaly prone to developing this.


Although the OP has stated that the noise is coming from the computer.

How would the monitor inverter generate high pitched sounds?
#7
tonyg1962
Yeah just put your finger on the middle of the fan for a second ,it will restart straight away,


I wouldnt stop the CPU fan!
#8
DaveTaylor
I wouldnt stop the CPU fan!


It'll be fine stopped for a second or two, especially if you've got a big heatsink.

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