Just recently replaced my motherboard/RAM....and after a fresh install of windows and such...D2 won't really boot. It launches to a black screen and then windows times out. I tried a whole slew of things; verified files, reinstalled d2, rolled back gfx drivers, reinstalled battleye, messed with settings in nvidia control panel, deleted D2 Temp folder (nothing in there, but I deleted the whole file), double checked audio settings in windows....nothing has changed.
I forced D2 to launch with dx12 in the Steam settings...that pushed it to where I could see the first screen with the shapes...but it does the same thing and just stops there and times out.
Any other ideas?
D2 is Dx11 only, so no use forcing Dx12.
Check AV/Firewall, that looks like something is blocking D2 from starting correctly. Also make sure Windows is up-to-date.