Keyboard Logi k600

I have a keyboard Logi k600. I use Solaar app but it does not find my keyboard. I use a wireless USB which it has the keyboard. It does not work neither by wireless USB nor by Bluetooth.

I use Xubuntu:

NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

The setting for Ubuntu should be the same as for Windows:

1. Press FN+7 for 3 seconds
2. The LED on the 1 key should light up for 5 seconds