# HDRI doesn't light up environment

**URL:** <https://forums.unrealengine.com/t/hdri-doesnt-light-up-environment/692075>\
**Category:** Feedback & Requests\
**Tags:** hdri, unreal-engine, UE5-1, question\
**Created:** [November 16, 2022, 3:15pm UTC](https://forums.unrealengine.com/t/hdri-doesnt-light-up-environment/692075 "2022-11-16T15:15:01Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![Ritterbecks](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/ritterbecks/32/593546_2.png) [@Ritterbecks](https://forums.unrealengine.com/u/Ritterbecks)\
**Post date:** [December 6, 2022, 7:42pm UTC](https://forums.unrealengine.com/t/hdri-doesnt-light-up-environment/692075/20 "2022-12-06T19:42:49Z")

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@CoolSmek @3dRaven @AustrianMunzter

i finally found the problem.

you should increase the HDRI Backdrop size to something above 500.

why the hdri doesn’t light up the environment when it has a size below 500, is still a mystery.

thanks yet again for all of y’alls help!

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