# Onlykey DUO not going into config mode, yellow LED turns on

**URL:** <https://onlykey.discourse.group/t/onlykey-duo-not-going-into-config-mode-yellow-led-turns-on/657>\
**Category:** Uncategorized\
**Created:** [March 15, 2022, 12:38am UTC](https://onlykey.discourse.group/t/onlykey-duo-not-going-into-config-mode-yellow-led-turns-on/657 "2022-03-15T00:38:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jer](https://avatars.discourse-cdn.com/v4/letter/j/8baadc/32.png) [@jer](https://onlykey.discourse.group/u/jer)\
**Post date:** [March 15, 2022, 12:38am UTC](https://onlykey.discourse.group/t/onlykey-duo-not-going-into-config-mode-yellow-led-turns-on/657/1 "2022-03-15T00:38:48Z")

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I just got my Onlykey DUO. I try to put it in config mode by pressing and holding the 1 key for over 10 seconds and then what ends up happening is the LED turns yellow and then the DUO doesn’t respond to anything. I thought maybe it went into a different profile but trying to change profiles does not work. The only thing I can do is unplug it and then re-enter the PIN. I can’t seem to get into config mode.

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**Author:** ![t11](https://avatars.discourse-cdn.com/v4/letter/t/8e7dd6/32.png) [@t11](https://onlykey.discourse.group/u/t11)\
**Post date:** [March 15, 2022, 2:16pm UTC](https://onlykey.discourse.group/t/onlykey-duo-not-going-into-config-mode-yellow-led-turns-on/657/2 "2022-03-15T14:16:22Z")

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@jer If you hold the 1 key for less than 10 seconds the LED turns yellow as this is telling the OnlyKey to do a backup, for example holding for 9 seconds would result in this. The button functions are defined here:

> **[OnlyKey Features | Docs](https://docs.onlykey.io/features.html)**
>
> Detailed information on OnlyKey Features

> Hold button #1 for 5+ seconds to backup OnlyKey

LED will be yellow during backup

> Hold button #1 for 10+ seconds to put OnlyKey DUO in config mode

LED will turn off to allow re-entering PIN if a PIN has been set and then will flash red while in config mode.

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**Author:** ![jer](https://avatars.discourse-cdn.com/v4/letter/j/8baadc/32.png) [@jer](https://onlykey.discourse.group/u/jer)\
**Post date:** [March 15, 2022, 9:59pm UTC](https://onlykey.discourse.group/t/onlykey-duo-not-going-into-config-mode-yellow-led-turns-on/657/3 "2022-03-15T21:59:23Z")

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Thank you. I guess my 10+ seconds was a bit off. I hold it a bit longer now and it’s fine.