Wifi isnt working when Dota2 is running

[needactualhelp]

Product name : HP Pavilion All-in-One 27-r0xx

Product number : 2NL17AA#ABG

I reformatted my pc for about 9 times, and tried to run it all week without the game etc and its working fine but whenever I try to play Dota 2 from Steam my wifi gets disconnected and when im trying to restart my pc Realtek RTL8822BE 802.11ac PCIe Adapter is missing in the network adapters and I need to reformat again just to fix it.. Its getting annoying can someone help me

[needactualhelp]

Dota 2 install this before running

Microsoft VC Redist package
Microsoft DirectX for Windows

heres my realtek

And im using netgear just so i can play dota 2 because of it..

And no its not the router problem since we have 3 more pc/laptop running and all of them are working perfectly fine