@Zadirin

As far as screen tearing goes and overheating, you could easily test that out by loading up a vanilla minecraft game (starting minecraft with NO mods installed). If you get the same issues, then it's your graphics card, however if that's not the case, then there's something else going on.

Let us know what happens when you start a vanilla game.

@SPARKST3R

Installing mods does not take more GPU power, it takes more CPU power. We're talking about what's being rendered on your screen.

I should have included the fact that he should use mcpatcher and install the Sphax BDCraft texture pack with the vanilla minecraft, not just use the default textures. When you log into a game, there is nothing "more" being rendered on your screen then there is in vanilla minecraft, but there are of course more things populated into the world.

Population of entities/blocks in the world however does not equate to GPU usage. Your computer can overheat just as easily with or without mods, when using a 64x/128x texture pack. It's the size of the textures being rendered that affects your GPU performance as well as how optimized/unoptimized the programming is, which handles the rendering of objects.

I hope that makes sense

Right. Okay, first of all, thanks for the replies.

I did watch the Youtube link, at least half of it anyway, and did try some new installation of Minecraft in vanilla, and with out mods/technic launcher.

I believe I wrote in my first post that I tried the vanilla option with the technic launcher and it still gave me problems. This time I downloaded a client from minecraft.net, so without any fancy launchers and everything. When playing the vanilla client without texture packs, I saw 1 glitch. It was highly playable if that would be all I ever saw. That wasn't a problem, neither was it in vanilla with technic launcher. However, when I installed the texture pack using the MCpatcher, it got a lot worse. No where near the picture, but it was highly unplayable.

It should be noted that I live in Denmark, and although we haven't had a really warm summer, right now IS some of the hotter days we've had. And my problems keep happening on those days. Which is hwy I'm finding it SO hard to believe I'm not having overheating issues. It should also be noted that on those hot days, I can't play Diablo 3 without screen tearing as well. That can be fixed to a playable state though, by closing down my Firefox and other various programs I have running in the background. This is not the case with Minecraft though.

Thing I don't understand is, that I can play games no problem where my video card hits 80 degrees celsius. Around 80-85 is the highest it goes, no matter what, before the fan starts getting into higher speeds and controlling the heat. The card is 65 MAX when playing Minecraft. Could it be the humidity though?

I don't have ANY problems with games, except Diablo 3 and Minecraft. Same thing though, so it raises some questions when it only happens on hot days.

@Aedaeum The CPU I'm using is an Intel Core i7 920. On a ASRock X58 Extreme if that makes a difference.

The texture pack I'm using is 128. I've used 256 no problem before though, that was however another texture pack, not Sphax. That was LB photo realism.

Also, lastly, the guy in the video said his problem was fixed for a time if he turned off his computer. Mine is on 24/7 all year, mostly anyway. I'll try turning it off when I go to bed tonight, and see if that fixes the problem for a time like it does with him.

Sorry for the rambling, thanks again.

No problem. This is definitely an overheating issue.

http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-570/specifications

Check out your cards thermal limits there. 97C is the limit, which means you shouldn't be getting anywhere near that during normal gameplay.

I have a GTX 560 and playing minecraft on a very hot day, get's it up to about 65C to 70C (sometimes 75C) with fan at max speed. Take into account that that's a very hot day. On a normal day, with normal temperature, my card gets up to 58C - 60C with fan at max speed.

Idling on a hot day is around 65C and idling on a cool/normal day is around 50C - 55C.

I would suggest using the nvidia control panel and manually set your fan speed to 100% and see if that might clear up some of your issues, but if it's too hot in your room, that might not solve your problem. As far as certain games working and others not, it's all in how the game is rendered, which is why you see such a difference between playing minecraft normally (default textures) and when you're using a 64x/128x texture pack. Little artifacts compared to larger more noticeable artifacts... All has to do with the rendering engine of the game and what parts of the GPU are being utilized.

There are lots of technical unknowns when it comes to issues like this, so it's best to nail down your cooling issues first.

Okay, I'll try again. I tried posting, but it seemed to delete my post, and just post that I quoted you.

Anyway, I tried bumbing my fanspeed to 80-85%. It's set to automatic most of the time, which takes cares of the job fine. The increased fan speed didn't do any difference though. Minecraft even managed to crash which it hasn't done before, but it had the same amount of screen tearing.

Today is even a fairly colder day then the last couple of days, but it still acts up. My idle temps are from 60-65 degrees. My fan seems to relax, then it gets a little hotter, then it kicks in, and it drops down again, and it repeats.

Maybe I should just pull the trigger on a new case for better air cooling.

It's possible that if you've been running that card at 80 - 85 for extended periods of time that your card is damaged. If it's only getting to 65 and still showing artifacts, then something is up. Do you have a spare card that you can pop in temporarily to see if that's what it is?

I do.

I shut my computer down for the night though, and this morning when I turned it on and started up Minecraft there was nothing wrong. I'm going to give this a go for a bit, see how fast it returns, after that, I'll try with my spare card, give that a go for a week or two to see if shows up with the same error. I guess right now it's a bit of a waiting game Thanks for the help so far though. Guess I'll be opening up an RMA with EVGA again if it's the card. Then at least I know now that having my computer on 24/7 is a very bad idea. I honestly didn't think it could strain my video card that much.

Well, it's whether or not the card is staying cool, not how long it's on for. I keep my computer on 24/7 as well, but I rarely experience high temperatures here. If it's hot a lot of the time where you live, then it's probably not a good idea to leave it on all the time.

I'm glad you have an EVGA card, they have the best support and return policy. Speaking of which, are you using the EVGA precision to monitor your fan speed and temperature?