# Klipper didn't find Sidewinder after update

**URL:** https://klipper.discourse.group/t/klipper-didnt-find-sidewinder-after-update/8190
**Category:** General Discussion
**Created:** [May 3, 2023, 5:23am UTC](https://klipper.discourse.group/t/klipper-didnt-find-sidewinder-after-update/8190 "2023-05-03T05:23:11Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)
#### Post date: [May 3, 2023, 5:45am UTC](https://klipper.discourse.group/t/klipper-didnt-find-sidewinder-after-update/8190/2 "2023-05-03T05:45:32Z")

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> [@Ender 3 S1 - No USB ID](https://klipper.discourse.group/t/ender-3-s1-no-usb-id/8120/5):
>
> An even better fix was found in the Klipper discord by xF4m3 and XeroX: In case you still have this issue after updating today, i found this fix in the voron discord klipper channel (its a pinned message there) EDIT: Latest Debian 11 changed by intention or accident by-id and by-path mapping in systemd. This fixes the issue when klipper is not able to connect after recent update of Apr 29th 2023. Make sure you’re root or using sudo -s before. Reboot is mandatory. sed -i ‘/^SUBSYSTEMS==“pci”…

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