Lagg spikes when playing some computer games on my gaming laptop

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R

Runite

Reputable
Mar 23, 2014
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0
4,510
Hi,

I currently get lagg spikes every few mins where it drops down to 3-15fps every few mins on games such as tf2, dota 2, league of legends and guild wars 2 and possibly other games. I thought it was due to viruses etc so I did a OS reinstall a few weeks ago, but it seems to be due to other things as I am still getting the lagg.

I asked on the official tech forum for guild wars 2. It was discovered that the core issue was that cpu was going from over 90C to 70-75C during the lagg spikes on guild wars 2. I was told to clean up my laptop and replace the thermal paste.

I vacummed by laptop from the outside but it had no effect, I've only had the gaming laptop for 1 and a half years so I doubt there would be much dust buildup and replacing thermal paste seems hard to do (not much experienced in laptops).

Anyone have any other suggestions on what might be needed to fix this problem?

System specs:
CPU: Intel Core i5-2450M
VGA: NVIDIA GTX 570M / 1.5GB GDDR5
LED Panel: 17.3" FHD, 1920×1080 (Non-Glare Type)
RAM: DDRIII 8GB(4GB*2)
HDD: 1TB (500GB*2 RAID 0)7200RPM
RF: 802.11b/g/n
OS: Windows 7
Driver: 334.89
 
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nukemaster

nukemaster

Titan
Nov 23, 2004
19,626
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A drop in temperature would make sense if the system slowed down for as second. 90c is quite hot.

If the lag happened when the cpu temperature went UP, i would say ok, it is overheating, but a temperature drop like that would not cause the lag. A temperature drop is caused by the lag.

Intel rates that cpu for upto 100c so my guess would be it is not clocking down(until it passes that point) or anything like that. Desktop users would never let a cpu run that hot, but it DOES happen on some laptops.

Still, I would think keeping it under 70-80 would be good for it.

How are the video card temps.

As for thinking that in a year the cooler is not too dust. I have seen fully clogged in half a year and others go for over 5 years with hardly any build up. Depends on your conditions, pets and dust hit things hard.

Less than a year for this(while it was not in the fins so could not be seen from the outside, you see it WAS a blockage inside). also over 100c and to the point of just shutting off.
heatsink.jpg


I recommend you get a can of compressed gas(air duster) and blast air into the exhaust vents in short bursts with the notebook OFF then do the same on the fan side. What you want to do is get dust to break up if it is clogged and then remove it. The blast from the exhaust side helps break it and the blast in the fan side should push some of it out of the heatsink.

2 Cores with HT may not always keep up in some places on some games as well. Turning down some settings a bit may help.

I have never personally looked into it, but you may want to see if disabling core parking helps your games. Windows will park the "2" HT cores when ever it can. Some users have reported this hurts game performance. Google will show you may ways to deal with that.
 
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