# Fail to convert DICOM to nrrd

**URL:** <https://discourse.slicer.org/t/fail-to-convert-dicom-to-nrrd/15855>\
**Category:** Support\
**Tags:** dicom\
**Created:** [February 5, 2021, 2:46am UTC](https://discourse.slicer.org/t/fail-to-convert-dicom-to-nrrd/15855 "2021-02-05T02:46:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ecgt](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/ecgt/32/17012_2.png) [@ecgt](https://discourse.slicer.org/u/ecgt)\
**Post date:** [February 5, 2021, 2:46am UTC](https://discourse.slicer.org/t/fail-to-convert-dicom-to-nrrd/15855/1 "2021-02-05T02:46:13Z")

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Operating system:Windows  
Slicer version:4.11.20200930 r29402 / 002be18

Expected behavior:convert to nrrd  
Actual behavior  
E: can’t determine ‘PhotometricInterpretation’ of decompressed image  
E: mandatory attribute ‘PhotometricInterpretation’ is missing or can’t be determined  
E: can’t change to unencapsulated representation for pixel data

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [February 5, 2021, 3:19am UTC](https://discourse.slicer.org/t/fail-to-convert-dicom-to-nrrd/15855/2 "2021-02-05T03:19:35Z")

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This DICOM object does not seem to contain valid image data. Do you expect this file to contain valid image data? What software generated this file?