embedded-trainings-2020/embedded-workshop-book/src/troubleshoot-dongle-flash.md

# `dongle-flash` not working

``` console
$ dongle-flash loopback.hex
packaging iHex using nrfutil ...
Error: No such file or directory (os error 2)
```

this indicates that `nrfutil`, the Python tool, is not installed or not available in your PATH. Instructions on how to install `nrfutil` can be found in the [`nrfutil` section of the Installation Instructions].

❗️ If you install `nrfutil` in a virtual environment you'll need to activate the environment; the `nrfutil` binary must be available in your PATH.

[`nrfutil` section of the Installation Instructions]: ./installation.md#nrfutil
add troubleshooting section 2020-07-13 15:41:37 +00:00			# `dongle-flash` not working

			``` console
			`$ dongle-flash loopback.hex`
			`packaging iHex using nrfutil ...`
			`Error: No such file or directory (os error 2)`
			```

rm links to oxidize 2021-01-19 15:29:44 +00:00			this indicates that `nrfutil`, the Python tool, is not installed or not available in your PATH. Instructions on how to install `nrfutil` can be found in the [`nrfutil` section of the Installation Instructions].

			❗️ If you install `nrfutil` in a virtual environment you'll need to activate the environment; the `nrfutil` binary must be available in your PATH.

			[`nrfutil` section of the Installation Instructions]: ./installation.md#nrfutil