# Troubleshooting "Initialization failed on Integrated Imaging Module" error on the NextSeq 1000/2000

Control software fails to initialize with error:

"Attention required:

1. An error occurred while starting the application. If the problem persists, contact Illumina Technical Support.
2. Initialization failed on Integrated Imaging Module. Power cycle the instrument per system guide instructions."

![](/files/bGvb5MXpdEnfpqh8l46Z)

**To troubleshoot**:

1. Power Cycle the instrument, see Knowledge Article [How to power cycle the NextSeq 1000/2000](https://knowledge.illumina.com/instrumentation/nextseq-1000-2000/instrumentation-nextseq-1000-2000-reference_material-list/000003038).
   1. If error persists after power cycling, contact [Illumina Technical Support](https://www.illumina.com/company/contact-us.html#/united-states/technical-support).

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| *For any feedback or questions regarding this article (Illumina Knowledge Article #3548), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000003548%20-%20Instrumentation%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


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