# Unreal crashes on Laptop when Ray tracing enabled, any solutions?

**URL:** <https://forums.unrealengine.com/t/unreal-crashes-on-laptop-when-ray-tracing-enabled-any-solutions/459269>\
**Category:** Programming & Scripting\
**Tags:** unreal-engine\
**Created:** [December 9, 2019, 8:25am UTC](https://forums.unrealengine.com/t/unreal-crashes-on-laptop-when-ray-tracing-enabled-any-solutions/459269 "2019-12-09T08:25:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tahayaki](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@tahayaki](https://forums.unrealengine.com/u/tahayaki)\
**Post date:** [December 9, 2019, 8:25am UTC](https://forums.unrealengine.com/t/unreal-crashes-on-laptop-when-ray-tracing-enabled-any-solutions/459269/1 "2019-12-09T08:25:48Z")

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I previously had the same problem on my RTX laptop, when I enable the ray tracing it used to freeze, now it crashes. Connecting an external monitor or disabling intel gpu as engine opens fixes the issue. It was fixed on 4.22.3 now it started again, anyone aware of any solution?

Here^is the link of the problem I used to have

> **[UE4 Freezes when ran with -DX12 arg on laptop running 2080 MaxQ without...](https://forums.unrealengine.com/questions/876099/ue4-freezes-when-ran-with-dx12-arg-on-laptop-runni.html)**
>
> UE4 Freezes when ran with -DX12 arg on laptop running 2080 MaxQ without secondary screen. It works fine when I launch it on a secondary screen as primary/sole screen. I’m running a RTX 2080 Max-Q Design on the Razer 15, with the 418.91 drivers....

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**Author:** ![anonymous\_user\_935088b3](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_935088b3](https://forums.unrealengine.com/u/anonymous_user_935088b3)\
**Post date:** [December 12, 2019, 9:43pm UTC](https://forums.unrealengine.com/t/unreal-crashes-on-laptop-when-ray-tracing-enabled-any-solutions/459269/2 "2019-12-12T21:43:36Z")

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Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

[https://epicsupport.force.com/unrealengine/s/](https://epicsupport.force.com/unrealengine/s/)

Thanks