Random lag spikes in games

GioBarca

Honorable
Jan 1, 2015
26
3
10,545
Hello everybody,

For the last 2 weeks I keep getting random lag spikes, I don't know how this happens, but it happens... Ex. Normally I play Euro Truck Simulator 2 on Ultra with 60+ FPS, but after 15 minutes of playing, the lag spikes begin to occur once every 2/3 minutes, the FPS drops from 60 to 1, for 2 seconds, and then I'm back to normal... The games I play, where this happens are:
Euro Truck Simulator 2 - Very often
FIFA 15 - Not that often, is rare
Simcity - Like every 20 seconds

PC Specs:
CPU - AMD FX-6300, Six-Core @3,5 GHz (No overclock) (Since October 2014)
CPU-Cooler - Standard AMD
MoBo - ASUS M5A78L-M LX3 (Since October 2014)
RAM - 1x8GB Crucial Ballistix Sport @1600MHz CL9 (Since October 2014)
GPU - MSI Nvidia GeForce GTX 750 Ti Gaming Edition (No Overclock) (Since December 2014)
PSU - Casecom @420W
Case - Zalman Z11
OS - Windows 8.1 Enterprise N 64-Bit

Temps while gaming:
GPU - 40° C (Checked with MSI Afterburner)
CPU - 50° C (Checked with Piriform Speccy)

Things I notice:
When I'm going to game, I notice that the PC is getting very loud, I don't know if that's normal with such a GPU, becuase I got that, when I got the 750 Ti... I never had it with my GT 630

Possible problem:
I'm just playin' in my bedroom, and my desk is kinda f*cked up, the PC is located in a pretty small rectangle, it doesn't even fit in, so it could be that the heat disposal is just very bad, which could also mean, why I'm always sweating in my room. I currently use 1 monitor, before I got the GTX 750 Ti, I used 2, but because my VGA to DVI adapter doesn't fit into the slot on the GPU, I can't use it... So that isn't the problem...

If you know what could be the problem, please let me know...

Thanks in advance