# Sync Trouble on Windows Laptop with Nividia Geforce RTX2060 **URL:** \ **Category:** Hardware\ **Created:** [July 13, 2020, 5:37am UTC](https://psychtoolbox.discourse.group/t/sync-trouble-on-windows-laptop-with-nividia-geforce-rtx2060/3292 "2020-07-13T05:37:44Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![mariokleiner](https://avatars.discourse-cdn.com/v4/letter/m/13edae/32.png) [@mariokleiner](https://psychtoolbox.discourse.group/u/mariokleiner)\ **Post date:** [July 14, 2020, 12:45am UTC](https://psychtoolbox.discourse.group/t/sync-trouble-on-windows-laptop-with-nividia-geforce-rtx2060/3292/2 "2020-07-14T00:45:22Z")
It’s an Optimus laptop, the use of which is strongly discouraged, so the typical conclusions and troubleshooting steps apply. Cfe.: > [@Beamposition Query issue on windows 10](https://psychtoolbox.discourse.group/t/beamposition-query-issue-on-windows-10/3125/2): > > Yes, your hardware is the problem, because against our hardware recommendations, you got yourself an NVidia Optimus laptop. From: "This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. " This means that visual timing will be completely and unfixably broken under Windows-10 with your NVidia. Here are your options: Disable the NVidia gpu for use with… Also [Psychtoolbox-3 - HybridGraphics](http://psychtoolbox.org/docs/HybridGraphics) Iow. 1. Maybe it works with external monitors if you are lucky. 2. Maybe it works with Intel integrated graphics if your lucky. 3. If not, maybe Intel graphics driver update or downgrade helps if you are lucky. 4. If you upgrade to Linux you will at least get Intel graphics to work reliably. The end. --- _[View the full topic](https://psychtoolbox.discourse.group/t/sync-trouble-on-windows-laptop-with-nividia-geforce-rtx2060/3292)._