# OpenGL2 reslice performance issues on windows (moved)

**URL:** <https://discourse.slicer.org/t/opengl2-reslice-performance-issues-on-windows-moved/1914>\
**Category:** Uncategorized\
**Created:** [January 23, 2018, 4:44pm UTC](https://discourse.slicer.org/t/opengl2-reslice-performance-issues-on-windows-moved/1914 "2018-01-23T16:44:14Z")\
**Posts on this page:** 1\
**Showing post:** 17

<div class="post-metadata">

**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/3622_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [October 30, 2019, 4:05am UTC](https://discourse.slicer.org/t/opengl2-reslice-performance-issues-on-windows-moved/1914/17 "2019-10-30T04:05:04Z")

</div>

If this is a laptop, you are certain that Slicer using the Nvidia GPU (not the integrated intel one).

> [@Can I choose which GPU to use?](https://discourse.slicer.org/t/can-i-choose-which-gpu-to-use/3149):
>
> Hi all, I’m using a gaming laptop (Dell Alienware 13 R3) which comes with an NVIDIA GeForce GTX 1060 GPU. Is there a way to configure Slicer to use it instead of the default GPU?

---

_[View the full topic](https://discourse.slicer.org/t/opengl2-reslice-performance-issues-on-windows-moved/1914)._