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Old 10-06-08, 07:32 AM   #1
Jerry_03
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Default Video card making weird noise

So about a week ago my brother's rig start making a weird noise. initially this noise only happen when the system first turns on and only lasts from about 5 - 10 minutes at first i thought it was the hard drive because it made the same sound my hard drive did just before it failed. but upon opening up the case and listening carefully, i realized it was not the hard drive but the video card, a NVIDIA 8800GS 384mb making the noise.

so first thing i did was remove the video card and boot up the system without it to confirm that was the video card. sure enough the system was quiet without the video card.

i put the video card back in and then lowered the fan speed of the video card to the default setting, 30% in riva tuner. i had it running at 80% since i put the video card in because the rig has bad airflow. after restarting the system with the default fan speed, i thought it was fixed, as i didnt hear the noise, but a couple minutes after that it started acting up again.

so this time i took out the video card and cleaned the fan, thinking the fan on the video card was making the noise. put it back in and same thing. so i took it out again and cleaned it more. took off the face plate and cleaned the fan more. removed the heat sink and cleaned off the thermal paste/pads, replacing it with fresh thermal paste. put the video card back in and to my dismay, still made the same sound. however this time instead of only lasting for 5 - 10 minutes like it usually does it lasted a lot longer. plus now when playing games the sound starts up. prior to this it didnt make any sound when playing games only when booting up.

im thinking its not the fan on the video card but the video card it self.
i got the video card from newegg and the RMA for a replacement is still good til February 09. but id first like to hear if theres any advice on fixing it without having to replace it.
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Old 10-06-08, 01:32 PM   #2
duralisis
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Default Re: Video card making weird noise

Generally a video card can only make two noises: mechanical and electrical. Mechanical meaning the fan assembly. When a fan is going out, usually the bearing or sleeve is worn and irreplaceable, making a grinding or growling noise, especially as fan acceleration increases or as its orbit becomes more and more eccentric. Electrical meaning a rare phenomenon of the capacitors or regulators actually making a high pitch wine. Think of an old photo flash and the sound it makes when charging.

Now you also stated you ran the fan at a constant 80% correct? Generally the duty cycle is meant to last the life of the HSF and ramping up and down is normal. Overriding the behavior GREATLY decreases expected fan life and MTBF. You must consider that these cut down cards do not have the same quality fans as an 8800GTX or 8800GT from that time period. Costs are cut at all levels, not just the GPU chip and RAM.
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Old 10-06-08, 08:03 PM   #3
Jerry_03
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Default Re: Video card making weird noise

yeah i think it is an electrical defect. but i shouldnt have ran it at 80% fan speed that long either way. i think ill just RMA it. though interestingly enough today when i booted it up it didnt make any noise...
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