# Consistent failure at 50% print - MCU timeout

**URL:** <https://klipper.discourse.group/t/consistent-failure-at-50-print-mcu-timeout/8263>\
**Category:** General Discussion\
**Created:** [May 7, 2023, 6:21am UTC](https://klipper.discourse.group/t/consistent-failure-at-50-print-mcu-timeout/8263 "2023-05-07T06:21:35Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![hcet14](https://avatars.discourse-cdn.com/v4/letter/h/ecd19e/32.png) [@hcet14](https://klipper.discourse.group/u/hcet14)\
**Post date:** [May 14, 2023, 7:32pm UTC](https://klipper.discourse.group/t/consistent-failure-at-50-print-mcu-timeout/8263/11 "2023-05-14T19:32:31Z")

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> [@Tronxy x5sa-2e V10 F446 board not staying connected](https://klipper.discourse.group/t/tronxy-x5sa-2e-v10-f446-board-not-staying-connected/7236/7):
>
> Don’t give up! You might replace the USB-B connector on your board. That is relatively easy to replace, if you have the tools. Get a connector which has golden contacts.

…but never heard from @KazWahs

Good luck, hcet14

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