Please help, cant find a fix anywhere.

Every SINGLE game I play I'll disconnect 2 or 3 times for no reason. My internet is still up and running and my skype wont disconnect. It's not an internet issue its the bloody client after this new patch. I've uninstalled and re-installed, and done a full repair. Does anybody have a similar issue? All posts in riot threads are outdated. Can't see anybody with this issue in 2018. Please helppppp, lost gold 1 promos twice because of this.