Please help! Having issues with GPU or maybe memory??

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ghostXI

ghostXI

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Jan 13, 2012
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Hello all. I am desperately trying to fix an issue with games crashing, ocassional low fps out of no where, having to restart to fix it constantly etc. Now I am getting crashing 5 minutes into just about every game.

Game runs fine, recently Destiny 2, 165 fps+ and either will 1) suddenly start stuttering/fps dives into the 40s 2) freeze up and crash. Not sure if this a GPU issue or memory. The reason I suspect it could be memory is chrome has been acting up as well, crashing (aw snap errors constantly).

Background info:
-High end system i7-6700k, rog strix 1080ti, rog strix z270e, 32gb Corsair DDR4 ram
-System is custom hardline water cooled. GPU and CPU blocks are in the loop. Temps are low.
-Actual ram usage never gets past around 20%(of 32GB)
-Have already tried reinstalling windows/drivers/geforce experience
-Have disabled shareplay/windows gamebar.
-Problem seemed to start out of the blue one day while using obs, made in game fps low despite being in preview mode.
-Ram will be difficult to remove, radiators are wedged on top. I would need to do a full teardown of the loop (which if at all possible im trying to avoid.

Anyone have a clue as to what could be causing this? I'm officially stumped.
 
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davidgirgis

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Feb 24, 2016
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Do a full teardown of the loop.
Disassemble all components from the system.
Use air cooling to trouble-shoot. Do you still have the original heat-sinks and fans?
Start trouble-shooting one component at a time.
Test each RAM module separately using the Windows Control Panel RAM diag tool.
Test each RAM slot.
Test the stability of the system using its on-board graphics only.
Test using one OS drive only. unplug all other drives.
When you plug the video back in, try using a different PCI Express slot.

let us know.
 
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ghostXI

ghostXI

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Jan 13, 2012
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OK welp it took all day but I tore everything down and got all the heatsinks and cpu aircooler installed. Also tried switching PCI lanes on the gpu, and disconnecting my storage drives. Only thing I couldn't do is the on board graphics test as this mobo doesn't have an HDMI port.

Tested each stick and each DIMM lane as well as did a memory diagnostic test found that one of the 8gb sticks failed the test and would also fail prime 95 memory test. The others checked out OK. Currently running two known working 8gb DDR4 3000mhz on the suggested DIMM lanes in the manual. No more crashes in chrome, memory seems to be working correctly but I am still having issues in obs like before not sure if ts coincidence or what.

Even literally just having the program open is making my game stutter. But the in game fps still says 160fps, just feels really choppy with obs open (Not even recording or streaming mind you). I have a 144hz gsync monitor and it feels like 50fps when obs is open. Tried disabling gsync to no avail. Doing this on multiple games too. The games are literally fine until I open OBS. Really perplexing.
 
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davidgirgis

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Feb 24, 2016
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It seems like you figured out at least one major problem with your hardware, more specifically, one or two RAM modules are most likely dead, requiring RMA.

Good. So now that THAT's out of the way, try trouble-shooting your software setup.
This is generally harder to narrow down, especially, because your setup is currently a little complex. OBS has tons of options.

My recommendation would be to minimize the variables in your equation, by reinstalling a fresh copy of Windows, the most essential drivers only, namely, Chipset, Network, and Video, and running one game only.

No OBS, for now.

see if it runs 100%. No stuttering, no FPS dropping, test fluidity, or in other words, your perceived smoothness.
Different games behave differently, try full-screen, also try, windowed full-screen.
Look at your Task Manager in Windows 10. What are the CPU/RAM/DISKS doing? Which process is eating up the most RAM, etc.?

let us know.
 
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