# BH1745 not found: Manufacturer or Part ID mismatch!

**URL:** <https://forums.pimoroni.com/t/bh1745-not-found-manufacturer-or-part-id-mismatch/16796>\
**Category:** Support\
**Created:** [April 5, 2021, 4:13pm UTC](https://forums.pimoroni.com/t/bh1745-not-found-manufacturer-or-part-id-mismatch/16796 "2021-04-05T16:13:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![reevolver](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/reevolver/32/7758_2.png) [@reevolver](https://forums.pimoroni.com/u/reevolver)\
**Post date:** [April 5, 2021, 4:13pm UTC](https://forums.pimoroni.com/t/bh1745-not-found-manufacturer-or-part-id-mismatch/16796/1 "2021-04-05T16:13:19Z")

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Hi,

getting this error with Pimoroni bh1745 on raspberry pi 4b, python3, pip3.  
Help please!

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**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\
**Post date:** [April 5, 2021, 4:16pm UTC](https://forums.pimoroni.com/t/bh1745-not-found-manufacturer-or-part-id-mismatch/16796/2 "2021-04-05T16:16:42Z")

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When doing what exactly? i2c enabled?