# No intensity change at 4.11

**URL:** <https://discourse.slicer.org/t/no-intensity-change-at-4-11/16722>\
**Category:** Support\
**Tags:** views\
**Created:** [March 23, 2021, 2:46pm UTC](https://discourse.slicer.org/t/no-intensity-change-at-4-11/16722 "2021-03-23T14:46:17Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![cpinter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cpinter/32/7995_2.png) [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Post date:** [March 23, 2021, 3:20pm UTC](https://discourse.slicer.org/t/no-intensity-change-at-4-11/16722/2 "2021-03-23T15:20:37Z")

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If by intensity you mean window/level (or brightness/contrast), then these topics help:

> [@Adjust Window Level is not working (nightly release 4.11.0)](https://discourse.slicer.org/t/adjust-window-level-is-not-working-nightly-release-4-11-0/6817):
>
> In the latest nigthly release (13-05-2019, windows), adjusting window/level by left-click + dragging is not working anymore. It is still possible to adjust window/level through the Volumes module however. Furthermore, when checking the interactorstyle, it shows that AdjustWindowLevelForeground and AdjustWindowLevelBackground are enabled. \>\>\> interactorStyle = slicer.app.layoutManager().sliceWidget('Red').sliceView().sliceViewInteractorStyle() \>\>\> interactorStyle.GetActionEnabled(interactorStyl…

> [@I cannot change the window/center level with left click](https://discourse.slicer.org/t/i-cannot-change-the-window-center-level-with-left-click/6923):
>
> Problem report for Slicer 4.11.0-2019-05-01 win-amd64: Change window level does not work

As you see many questions already have an answer on tis forum, so trying with search a little bit will probably get you the answer.

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_[View the full topic](https://discourse.slicer.org/t/no-intensity-change-at-4-11/16722)._