water in pc

Water fell inside running PC over the GPU & motherboard, after letting it dry for 3 days, tried to turn it on and the only things working(?) are the PSU (rgb & fan) CPU fan and GPU fan, no beeps, no screen, no feedback. Is the CPU dead? Is the MB dead? Tried turning it on without RAM same...

This will be my first PC build. Looking for any suggestions on parts to change/replace/add to improve the price and performance. The objective is a work/gaming computer which can: ■easily handle running multiple heavy applications (heaviest most likely being photoshop) ■streaming ■multiple VMs...