beyza912 Did you post the entire command, starting with reg query? I ask because the results should look like the black screenshot under the "I want to get rid of OneDrive" section of this post:
[CURRENT ISSUE] Sims 4 saves/user content disappearing (PC) | EA Forums - 11838402
Your dxdiag also has a number of OneDrive errors, although those could be from before you changed its settings.
For the white screen, HP gaming laptops often have this issue at startup, and there are a few workarounds:
None of these works for everyone, but something almost always does, so keep trying the workarounds until you find one that lets you play.
