Black Boxes, Exported Images With Text II

Just a note about your old i5-2500K Intel APU.
This is a old 2nd generation CPU with integrated HD-3000 graphics GPU.

The HD 3000 Graphics are right on the support cutoff line. (In fact Intel may have already dropped support, which would mean no new drivers coming out to fix issues.) The latest drivers I see are from 2015:

Update your driver if you can, and the driver for your Nvidia card as well, and be sure that SketchUp is set to use the Nvidia card and not the integrated Intel graphics.

There is a “how to” link for controlling your GPUs, in this thread: