First, try turning on your computer by disconnecting all unnecessary devices. If this works, open the Device Manager after logging into your system and check the status of your graphics card driver.
If your PC is using CPU instead of GPU, check your cable connections. Use the fixes provided in this article to resolve this issue.
Building a capable gaming PC relies on two primary components: the CPU and GPU (or graphics card, in common parlance). While having a powerful desktop CPU in your gaming rig is important, the latter ...