issue with one of the fans on 680gtx
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PickupArtist




Posts: 9918

PostPosted: Fri, 25th Jan 2019 05:27    Post subject: issue with one of the fans on 680gtx
During a bloody multiplayer clanwar game my gfx card driver started crashing my game three times in a row. so had to abandon the fight and turn of computer to boot up to artefacts and discoloring to my horror, that suddenly dissapeared after the driver loaded up and reseted itself again as it apparantly had crashed during bootup aswel.

Then i noticed one of the fans of this dualfan card just didnt spin anymore, pushing it also didnt spin it up wich did work previouslywith a failing fan on a psu once. where it needed a push to start spinning again. This case it only moved a few fan blades and came to a halt again with , no sign of any motion or power

Took it out dusted it off and blew in it. put it back in, still same. one fan idle other spins. BUT when i use msi afterburner and set fans to 100% both start spinning. I dont think i cant tell the rpm of them seperatly to see if its spinning slower or something. (any tool that measures rpm seperatly?) Lowering anything lower then 90% and it stops spinning.

Bearings went to shit ? i hear no real noise coming from it. some long hair/sticky dust stuck in one fan ? could the driver have gone to shit and not know how to operate one of the fans anymore Surprised

I could resume gaming at this 100% fan speed setting and lowering aliasing with no more crashes.

meh and no backup card around if this one was fried, ugh, got very lucky i reckon , anyone any ideas or had this happen before? model is a gainward 680gtx phantom


Last edited by PickupArtist on Fri, 25th Jan 2019 15:04; edited 1 time in total
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red_avatar




Posts: 4567

PostPosted: Fri, 25th Jan 2019 10:46    Post subject:
Very basic issue: the motor gets a certain amount of power to regulate speed. If the motor is nearing end of life or the fan doesn't run as smoothly anymore (dust, grime, etc.), then the low amount of power would not be enough to get the fan spinning. Max power would give the engine enough power to overcome the problems and you might even see it spinning at full speed since speeding up requires the most power. It's a little like starting a car with a dying battery in that respect.
Bottomline: replace the fan.
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couleur
[Moderator] Janitor



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PostPosted: Fri, 25th Jan 2019 10:51    Post subject:
Sometimes, just a drop of sewing machine oil can help. It's worth a try.


"Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know! (Sapere aude.) "Have the courage to use your own understanding," is therefore the motto of the enlightenment."
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PostPosted: Fri, 25th Jan 2019 11:04    Post subject:
couleur wrote:
Sometimes, just a drop of sewing machine oil can help. It's worth a try.


I would advise against messing with the fan since it's easy to destroy the card - if it starts artifacting, I'd just replace the fan to avoid the card crapping out. Or he could install a tool that continuously has the fan spinning at top speed - then he can try it if it does spin that way. But I'd still be cautious.
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couleur
[Moderator] Janitor



Posts: 14361

PostPosted: Fri, 25th Jan 2019 11:13    Post subject:
How would adding a drop of sewing machine oil destroy the card?

Of course replacing the fan would be the better idea, though I've gotten some bad fans from ebay, from chinese resellers. So dont cheap out on them, like I did.


"Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know! (Sapere aude.) "Have the courage to use your own understanding," is therefore the motto of the enlightenment."
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red_avatar




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PostPosted: Fri, 25th Jan 2019 11:26    Post subject:
couleur wrote:
How would adding a drop of sewing machine oil destroy the card?


The card is artifacting because the fan won't spin up which tells me that this card is very sensitive to overheating - trying all sorts of things just gives the card more time to overheat and I wouldn't take the risk since at best you'll shorten the life of your card.

Back in the Athlon days I learned the hard way to NEVER fuck with fans on a system where a dead fan can result in a dead system or in this case a dead card. You could bake an egg on those old Athlon CPUs and if the fan died for even just 10 seconds, the CPU would fry.
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PickupArtist




Posts: 9918

PostPosted: Fri, 25th Jan 2019 14:51    Post subject:
we are now 20 years later ( i had a athlon 750 @950 with 6000 rpm, delta fans) ( it still works)

but what pisses me off most is the driver just crashes the game, it doesnt give any warning about temperature or fan faillure, at least it crashes to save itself but is it really that hard to code a message that says oh ow , card overheating, shutting down .... or add a beep, the worst part is when the driver crashes the fan speed goes all the way down instentanious ... so its not cooling itself from its overheated state.
ffs i was just thinking it was standard driver crash that happens sometimes , only after third crash i was like fuck its really messed up and then the artefacts started showing Sad

its just retarded coding/thinking from them manufacturers, its like they want the card to die, so u buy a new one, seriously , i think its on purpose

but ye ill try give it a fuill clean out later, afterall its a third/second hand card on its last legs. why am i stupid enough to never sell my cards and let them die in my rigs arf Razz

my graveyard sofar : 6950, 570, 680 ripperinos all my old cards including voodoo2 and ati 4870 still work fine grrr ...[/u]
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