# Green horizontal lines appear on the screen

**URL:** <https://discourse.slicer.org/t/green-horizontal-lines-appear-on-the-screen/22030>\
**Category:** Development\
**Created:** [February 17, 2022, 7:39pm UTC](https://discourse.slicer.org/t/green-horizontal-lines-appear-on-the-screen/22030 "2022-02-17T19:39:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yikyekgo](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/yikyekgo/32/14328_2.png) [@yikyekgo](https://discourse.slicer.org/u/yikyekgo)\
**Post date:** [February 17, 2022, 7:39pm UTC](https://discourse.slicer.org/t/green-horizontal-lines-appear-on-the-screen/22030/1 "2022-02-17T19:39:37Z")

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![anus_green](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/a/1/a143c4fb15fc30a0f09f1a0d289a338fe60676fa.png)  
S.O.S

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [February 17, 2022, 8:11pm UTC](https://discourse.slicer.org/t/green-horizontal-lines-appear-on-the-screen/22030/2 "2022-02-17T20:11:24Z")

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Hi, please take a look through the linked thread below for help regarding this issue. We have had many threads with this before. Let us know how it goes for you!

> [@Slicer opening screen error - Green Stripes](https://discourse.slicer.org/t/slicer-opening-screen-error-green-stripes/12543):
>
> Hey. Today, upon opening slicer my program is showing striped green lines across the entire program. Yesterday the program worked and nothing has changed overnight. I uninstalled and reinstalled, restarted, and did everything I know to do. Any advice? [image]