# Glitch Black screen with white arrow intermittently why?

**URL:** <https://discourse.slicer.org/t/glitch-black-screen-with-white-arrow-intermittently-why/48247>\
**Category:** Support\
**Created:** [September 23, 2026, 2:48pm UTC](https://discourse.slicer.org/t/glitch-black-screen-with-white-arrow-intermittently-why/48247 "2026-09-23T14:48:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![MaxFacRad](https://avatars.discourse-cdn.com/v4/letter/m/8dc957/32.png) [@MaxFacRad](https://discourse.slicer.org/u/MaxFacRad)\
**Post date:** [September 23, 2026, 2:48pm UTC](https://discourse.slicer.org/t/glitch-black-screen-with-white-arrow-intermittently-why/48247/1 "2026-09-23T14:48:17Z")

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I keep getting a black screen with a white arrow and it comes and goes constantly and sometimes the screen freezes with it on

why is 3D Slicer doing this?

 ![IMG_4546](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/5/a/5aa37cd95085f1c10dce94bd55e36fc44c013cf2.jpeg)

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**Author:** ![ebrahim](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/ebrahim/32/13403_2.png) [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Post date:** [September 23, 2026, 2:48pm UTC](https://discourse.slicer.org/t/glitch-black-screen-with-white-arrow-intermittently-why/48247/2 "2026-09-23T14:48:49Z")

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See this: [Adding landmarks using Point List results in screen glitches - #3 by jamesobutler](https://discourse.slicer.org/t/adding-landmarks-using-point-list-results-in-screen-glitches/47173/3)