Random Freezes during game

So i have a big problem during games in both aram and summoners rift maps (havent tried on TT) the game randomly freezes (doesnt happen in any other games) and i usualy end up dying cause of that, to end the freeze i have to be in either windowed or borderless and open task manager to end the client task if im in fullscreen have to restart the computer. this started happening since i switch to a new laptop i got the old one had no problems (same internet). tldr. random freeze only in league, stuck if in fullscreen pc specs: i7 octacore 2.5 intel hd graphics 4600 1gb 8gb ram looking for some way to solve this problem, in advance thanks for any and all help. have a nice day
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