If the Roll Back Driver button is greyed out, this means that your computer did not retain the previous version of the graphics card driver. In such a case, you can use other fixes.

If, instead, you want even greater performance reserves from your graphics card, you can also change the power limit to positive by +10 to +30 percent, depending on the graphics card.

Why won't Roblox work? If Roblox is not launching, opening or starting on Windows 11/10 PC here are some working suggestions to help you fix the issue.