blackscreen after bootup

Hello everyone, I recently changed all my components and wanted to use my old components to build a second pc. So i put all of the old components in a case and took on of my three HDD's from my main computer. I tried to boot it and it everything seemed to work fine but then i noticed that I...

Hey everyone! After a recent Windows 10 update, which was done only 2 days ago, my PC goes into a blackscreen whenever I boot it up. Only after a few reboots (by holding the power button) my PC manages to boot up properly. Now here are a few things I have noticed which might be of help: When...