# Keyboard/trackball stuck (boot mode)

**URL:** https://forum.clockworkpi.com/t/keyboard-trackball-stuck-boot-mode/8935
**Category:** DevTerm
**Tags:** keyboard
**Created:** [September 24, 2022, 6:55pm UTC](https://forum.clockworkpi.com/t/keyboard-trackball-stuck-boot-mode/8935 "2022-09-24T18:55:47Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![alcor55](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/alcor55/32/6553_2.png) [@alcor55](https://forum.clockworkpi.com/u/alcor55)
#### Post date: [September 24, 2022, 6:55pm UTC](https://forum.clockworkpi.com/t/keyboard-trackball-stuck-boot-mode/8935/1 "2022-09-24T18:55:48Z")

</div>

I have the famous issue with the keyboard stuck in boot mode (blinking led). I had read all the forum and topics about it but I haven’t found a definitive solution. When I power on the DevTerm it works, but if I reboot it, the keyboard/trackball dies while blinking.

I have:

- Updated the firmware to the modified version (0.3): [I've rewritten DevTerm keyboard & trackball firmware](https://forum.clockworkpi.com/t/ive-rewritten-devterm-keyboard-trackball-firmware/7671)
- Cleaned the contacts with the isopropyl alcohol.

But nothing works.

An hypothesis I have read explains this issue is due to an undervoltage that in some way sets the keyboard in the boot mode.

Has any of you found a way to solve the issue definitely? Maybe by adding in the firmware a simple timeout for the booting mode?

Let me know. Thank you!

---

<div class="post-metadata">

### Author: ![pkr](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/pkr/32/6084_2.png) [@pkr](https://forum.clockworkpi.com/u/pkr)
#### Post date: [September 24, 2022, 11:25pm UTC](https://forum.clockworkpi.com/t/keyboard-trackball-stuck-boot-mode/8935/2 "2022-09-24T23:25:33Z")

</div>

Just a shot in the dark, but try cleaning the contacts of your core/CPU board as well as ext board too, if you haven’t already.

---

<div class="post-metadata">

### Author: ![alcor55](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/alcor55/32/6553_2.png) [@alcor55](https://forum.clockworkpi.com/u/alcor55)
#### Post date: [September 25, 2022, 12:19am UTC](https://forum.clockworkpi.com/t/keyboard-trackball-stuck-boot-mode/8935/3 "2022-09-25T00:19:06Z")

</div>

Already done, nothing. 🫤
