If your 2D grid is blurry or pixelated, this can be caused by the screen's resolution and scaling. You may just need to update your Display Settings.
Step 1: Left click your Windows icon and then click on the gear to bring up your Window Settings.
Step 2: Select System and then Select Display
Step 3: Verify "Change the size of text and apps" is set to 100% and you are set to the Recommended Display Resolution.
Changing these settings should help with 2D performance and the grid display.