Minecraft Low FPS - GTX 980

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xISimon

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Mar 3, 2015
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Hi! I bought my new gaming PC about 6 months ago, and it used to play Minecraft at 500-600 FPS and I was really happy.

I took a pause for about 1-2 months, and haven't used my computer for gaming a lot, but I've used it for other stuff. Today I decided to play some Minecraft, and my PC was running at 20-40 FPS, maximum 60 FPS! I don't know why but lately my PC has started to lag a bit randomly, but I didn't think it would run Minecraft so bad. I use the same settings as before, and I have edited system settings, edited Minecraft settings, running Minecraft with 4GB of RAM, reinstalling Minecraft, runned both AVG antivirus, CCleaner and AdwCleaner - still not any improvements. My GPU, RAM and CPU all run on a low temperature (30-50 Celcius)..

My specs:
Intel Core i7-4790K 4GHz NOT OC
16 GB RAM 1866MHz
NVIDA Geforce GTX 980 4 GB

So I have no idea why my PC is getting small lag spikes usually and running Minecraft at such low FPS and often getting lag spikes down to 5 FPS.

Please help me, as you can see I've already tried nearly anything!
 
Solution
Mysticking32
This is drastic but if you're whole systems moving slow with those specs I would reinstall windows entirely.

However it could be a number of things. Try disabling your antivirus program for a few tests and then test the performance. It may be a particular feature messing with the os.

Also. Go to power options and be sure the mode is set to High Performance. I'm thinking its set on either power saving or balanced right now. That should help. Do a reboot afterwards. Then test your games and performance etc.
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Aidan Rooney

Aidan Rooney

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Mar 25, 2013
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Is this on single player or multiplayer? What version of minecraft are you using? Have you tested on other versions. Any mods/resource packs?

I suggest you open task manager and on the performance tab you can see the cpu, memory, disk, and ethernet usage. See if any of those have high usage. If your harddrive does try defragging. Defraggler is great (https://www.piriform.com/defraggler) and you can just analyse the drive instead of spending ages defragging. If it is above 20% fragmented that's not great, the lower the better.

Have you tried reinstalling minecraft? Back up anything important (screenshots, resource packs, world saves etc.), in %appdata% .

I play minecraft a lot so if none of that works let me know and i'll try suggest other things ^_^
 
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xISimon

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Mar 3, 2015
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AMDAlex I installed the newest drivers from my NVIDA Geforce Experience program, still no improvements. Going to try to uninstall them when I use my PC again, where can I do it? And please come with more suggestions, I don't want to have used all the money on the computer and only getting 30 FPS at Minecraft..

Edit: I got a 750W Plus Bronze PSU which should be plenty.
 
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Mysticking32

Mysticking32

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Sep 28, 2014
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Hey man, Are you experiencing fps drops in other games too or is just specifically minecraft?

Anyways, if it's just minecraft. You're going to want to uninstall java and reinstall the latest java version that is stable. A corrupt install of java really messes up minecraft.

Secondly, try uninstalling and reinstalling your video card drivers.

Lastly, Open up nvidia settings (right click on desktop and open the 3d application thing) Scroll over to minecraft and make sure it is set to run with your gpu and not the cpu. Something may be telling your system to use your integrated graphics rather than your gpu. There's also an option for that in the nvidia settings. Set use gpu as global.

And your psu is perfectly fine. Don't worry about that
 
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Aidan Rooney

Aidan Rooney

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Mar 25, 2013
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Mysticking32 said about java which reminded me, on minecraft.net, log in and click download and they have an msi version. This is the newest launcher and uses a built in java :) it loads quicker so i recommend using this anyway, but yea try that
 
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xISimon

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Mar 3, 2015
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4,510
Already tried the new launcher and been using it for a while.

Going to try all the other suggestions tomorrow when I wake up (midnight now and I gotta go to school). I don't feel any lag when I do other stuff, well perhaps some small lag spikes but that happens with everything. I've fragmented my drive and that helped a lot on PC performance but not Minecraft, so it might be that Minecraft uses my CPU, but I don't think so - when I check F3 it says "GTX 980" not "Intel Core i7-4790K 4GHz", and I've already installed the newest Java version. Any more suggestions? Thanks :)
 
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xISimon

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Mar 3, 2015
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Hi! Couldn't find the change CPU usage to GPU usage, can anyone give me a very detailed guide?

Also, it's definently not just Minecraft sadly :( My whole computer lags a lot, what is the problem? Please help I'm really worried..
 
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Mysticking32

Mysticking32

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Sep 28, 2014
548
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This is drastic but if you're whole systems moving slow with those specs I would reinstall windows entirely.

However it could be a number of things. Try disabling your antivirus program for a few tests and then test the performance. It may be a particular feature messing with the os.

Also. Go to power options and be sure the mode is set to High Performance. I'm thinking its set on either power saving or balanced right now. That should help. Do a reboot afterwards. Then test your games and performance etc.
 
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Solution
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xISimon

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Mar 3, 2015
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OMG I'M SO HAPPY RIGHT NOW!! NOTHING WORKED, SO I REINSTALLED WINDOWS ENTIRELY - MY PC IS AS GOOD AS NEW! OMFG! SO HAPPY RIGHT NOW THANK YOU :D
 
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xISimon

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Mar 3, 2015
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Haha, no! Just very happy :) Been gaming on my PC now, getting 1400 FPS with max settings and a sick resource pack. Done some benchmarks and it's incredible.

Of course he didn't teach me that I could reset Windows, he just reminded me and I found out that it's very easy to reset Windows 8.

 
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