FPS goes to 0 - 1

So i just bought a new laptop with the specs * Nvidia Geforce **1060 6gb** * Intel core** i7 - 8750H** 2.2Ghz * 16GB RAM * 128 SSD and 1TB HDD, **League installed on HDD** I dont know if the lag is because of the latest patch or because of the laptop as this is the first time ive played this patch and first time playing on this laptop. Game is fine for the first 6-8 mins then its constant screen freezing, When i look at task manager, it says that league of legends is not responding. I have done all driver updates, windows update and hextech repair tool. Pls any help with be appreciated.
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