Computer occasionally stops using one GPU

A

Andrew Himelstein

My Dell gaming laptop has two GPUs: an Intel card, and a GTX 1060. Every 30 minutes or so, no matter what I'm doing on my computer, it will randomly force the Intel card to do all of the work instead of sharing it between the two cards. The attached picture shows what it reads in the task manager during these "episodes", as I like to call them. Whenever it happens, the Intel GPU will usually max out at 100%, while the 1060 does almost nothing. My will computer run appallingly slow for about 2 minutes and then go back to normal. It can cause YouTube videos to stop playing, games to run anywhere from 1-10 frames per second, my mouse cursor to stop moving, and in some cases my computer will black screen for a little bit.


I've searched the Internet far and wide trying to find a solution, but nothing has worked. I've tried to assign certain apps like games and Google Chrome to only use the NVIDIA GPU in Windows settings, but they will still switch back to the Intel. I've used MSI Afterburner to check the 1060's temperature, but it only gets up to about 180 F during typical use, and in fact it gets cooler every time it has an "episode"... around 160 or so.

To reiterate, as far as I can tell, there's nothing wrong with the GPUs themselves. Instead, the computer just randomly decides to put all of the workload on the Intel card (which barely handles its typical share anyways) instead of utilizing both cards for about two minutes and then goes completely back to normal. I could be in a game and suddenly the framerate will drop to only a few frames a second, then shoot right back up to 100 fps after a couple minutes. I've had this laptop for a little over 2 years now and everything has worked fantastically except for these "episodes". If you have ever encountered this problem or know how to fix it, please let me know because I've found absolutely nothing on the Internet about it.

Specs:

-Laptop: Dell Inspiron 15 Gaming 7577

-CPU: Intel Core i7-7700HQ @2.80GHz

-GPU 0: Intel HD Graphics 630

-GPU 1: NVIDIA GeForce FTX 1060 with Max-Q Design

-16GB RAM, ~1TB Hard drive, ~100GB SSD


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