Try preforming a EC reset beforehand to see if your device can recover.

If your device's firmware got into a bad state (wont POST), you can try unbricking it. Here is the following ways that you can unbrick your device:

Unbricking with a ch341a USB programmer

Unbricking with a Suzy-Q cable

Unbricking with a flipper Zero

Adapted from https://wiki.mrchromebox.tech/Unbricking

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