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Electrical whine from Radeon GPU

Associate
Joined
28 Mar 2009
Posts
9
Hi Guys...

I've just put a new system together from scratch - an i7 with Sapphire Radeon HD 4870

When i first switched on yesterday (Thursday), everything was great... but slowly over the course of about 12 hours, a very high pitched whining noise appeared

I looked in the case and could see nothing untoward, figured it may be a fan 'bedding' in

Today i switched on, and it was even more noticeable - so again I've looked inside for a closer investigation... i 'tap-stopped' each fan (not recommended i know) and realised it was definitely not any of the fans

Then.. back on the computer itself, i noticed stuff i was doing on screen was effecting the noise... for example... scrolling down a long web page would stop the whine... also resizing a window on the desktop... i confirmed this by quickly rolling the mouse wheel back and forth on a web page, and the sound stopped completely until i stopped moving the mouse wheel... and i grabbed the bottom right corner of a window and quickly moved the mouse back and forth, which made the sound stop

So i positioned the case in such a way that i could get my head right in for a listen.. and the whine is definitely from the GPU (and defo NOT the GPU fan)

And close up it definitely sounds very 'electrical'


So after all that waffle... i guess what i want to know is... does this sound like a fault with the card? - Should i be pursuing a replacement?

- remember i pointed out, that it never made this noise for the first few hours... and it does seem rather odd that just some PCB and Chips could make such a noise.... I've never come across a GPU that's done this before


I went out of my way to build a whisper quiet PC as i suffer from tinnitus (high pitch squealing in the ears) and so I'm more sensitive to noises like this and these type of frequencies actually aggravate my condition... I shall be disappointed if this kind of noise is considered 'normal'


Thanks for reading - ADE
 
Associate
OP
Joined
28 Mar 2009
Posts
9
Hi, thanks for the reply..

Could you just enlighten me some more... what is RMAs & DSR


I really don't think i can live with this with my 'condition'.. i'm sat here and all i can concentrate on is this noise :(

I can actually hear it stood up to 12ft from the case!
 
Associate
OP
Joined
28 Mar 2009
Posts
9
My 4850 does this when its working hard. As the above poster states its from a coil on the board. Easiest way to tell is listening to the pitch. it will change as the workload changes e.g. Desktop to game

So yours is opposite to mine... as mine stops whining when it's under load

In some ways yours would be easier for me to live with, as i don't do a lot of heavy load work
 
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