Logic Pro not playing sound. Sick of this problem!

So I open Logic and it just doesn't play sound. This problem has been occuring for months now. I used to be able to fix it sometimes by changing the input/output device settings in Audio preferences back and forth between system setting and built-in but even that is not working anymore. Sound on my computer will be playing fine when I'm on youtube/FL/any other app but Logic just wants to ruin my life. I have tried uninstalling and installing Logic and that didnt work. Please do not tell me to uninstall and install the whole sound library because I am sure that won't do anything either and it is ridiculous I would even have to do that. Any recommendations before I switch to FL for good? I've been using Logic for 3+ years and custom made my 808 on here SMH

Edit: Also sometimes while I'm watching a vid on youtube and the audio is fine I switch to logic for this problem to happen then when I switch back to youtube the audio isn't playing there either! Contaminant!