General Question Sudden FPS drop after about one minute

I was pretty alarmed by those temperatures but seeing now that Intel measures the junction temperature rather than case temperature, it makes sense now.
 
What model of Dell do you have? I used to have an Inspiron 5150 notebook that was notorious for heat problems and shutting down during 3D games. So much so that I had several 4-hour calls to Dell tech support to troubleshoot the issue. Twice it shut down and would not come back on even after cooling overnight. I eventually had to have the CPU, video card, and motherboard all replaced at one point (though at different times). The CPU and motherboard were on the same call, and the tech told me that the CPU had gotten so hot it had fused to the motherboard.

That model was famous for having one of the poorest case designs, having only one fan in the case that was inadequate for cooling the desktop-class Pentium 4 that was installed.

I would suggest searching Google for <your laptop model> heat problems. When I did this for my Inspiron, I found that this problem was very common with my particular model.
 
I have a Dell XPS M1530 laptop.

I had the same problem with my previous Dell laptop. When I would run Flight Simulator 2004, the FPS would drop to just one or two FPS after some time. The fan was running on full speed, but was unable to keep the heat out.

What I did, that finally solved the problem, was to buy a small can of compressed air. I used it to blow air into the outlet of the fan duct on my laptop. Out on the other side came a large cloud of dust (!) and the problem was solved :)

I have a feeling that this computer runs a bit too warm, especially when on idle. I can always hear the fan running and the computer is never quiet when the power is on...

That was also my question to Dell, but as seen in the post above, they concluded that it should be normal.
 
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