I have split this post off as it has nothing to do with sluggish speed.
What video card does your laptop have?
Archicad does not like built in cards - it prefers a dedicated card.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10