Before rebooting also do:
 sudo adduser USERNAMEplugdev
 replacing USERNAME with your user name.
 On 07/12/17 20:10, Jean-Paul wrote:
 Thank you Timo,
 Sorry I am not sure to understand your instruction.
 Do I have to open a terminal and give the comand sudo dmesg?
 Le 07.12.2017 à 20:03, T. denis a écrit :
> Hello,
>
> Please connect the usb device and share the output of: sudo dmesg
>
> Cheers, Timo
>
>
> Am 07.12.2017 um 19:57 schrieb Miro Moman <miromoman(a)gmail.com
> <mailto:miromoman@gmail.com>>:
>
>> Is the Laptop a Lenovo X220 Type 4293-B79?
>>
>> You have Ubuntu 16.04 already installed?
>>
>> What are you trying to accomplish?
>>
>> What USB device are you trying to connect?
>>
>>
>> On 07/12/17 19:46, Jean-Paul wrote:
>>> Thank you.
>>>
>>> It is a Laptop Lenovo B79 from Jule 2016
>>>
>>>
>>> Le 07.12.2017 à 19:40, Miro Moman a écrit :
>>>> Which device? Make and model?
>>>>
>>>> Edelmiro Moman, PhD
>>>> Organic/medicinal/computational chemist & entrepreneur
>>>> Phone: +352 621 511 423
>>>> E-mail: miromoman(a)gmail.com <mailto:miromoman@gmail.com>
>>>> 
http://www.prosciens.com/
>>>> 
https://www.linkedin.com/in/edelmiro-moman-3a9979a/
>>>>
>>>> On 7 Dec 2017 17:32, "Jean-Paul" <jp.piazzolla(a)academia.lu
>>>> <mailto:jp.piazzolla@academia.lu>> wrote:
>>>>
>>>>     Gudden Owend alleguer,
>>>>
>>>>     Mäin Ubuntu 16.04 erkennt e Gerät net dat un engem USB
>>>>
>>>>     ugeschloss ass. Not langem SIchen hunn ech erausfonnt, datt
>>>>
>>>>     ech muss eng U dev Regel , setzen, installéieren...
>>>>
>>>>     Dat ass allerdengs elo e wéineg Chinesech vir mech.
>>>>
>>>>     Ech wier frou wann ee vun Iech mier kéint weiderhellefen
>>>>
>>>>     a soe schon mol merci.
>>>>
>>>>
>>>>     H
>>>>
>>>>     My Ubuntu 16.04 does not want to connect a device on USB. After
>>>>
>>>>     some research I found I have to set, install e Z dev rule...
>>>>
>>>>     That seems diffcult to me.
>>>>
>>>>     I would be grateful if anybody could give me a hand.
>>>>
>>>>
>>>>     Mat frendleche Gréiss vun Diddeleng
>>>>
>>>>     --
>>>>     Jean-Paul Piazzolla
>>>>     Concepteur de formations langues
>>>>     Enseignant Professeur
>>>>     Mobile: 661 19 79 19
>>>>     
www.academia.lu <http://www.academia.lu>
>>>>
>>>>     _______________________________________________
>>>>     Lilux-help mailing list
>>>>     Lilux-help(a)lilux.lu <mailto:Lilux-help@lilux.lu>
>>>>     
https://www.lilux.lu/mailman/listinfo/lilux-help
>>>>     <https://www.lilux.lu/mailman/listinfo/lilux-help>
>>>>
>>>
>>> --
>>> Jean-Paul Piazzolla
>>> Concepteur de formations langues
>>> Enseignant Professeur
>>> Mobile: 661 19 79 19
>>> 
www.academia.lu
>>
>> --
>> Edelmiro Moman, PhD
>> Organic/medicinal/computational chemist & entrepreneur
>> Phone: +352 621 511 423
>> E-mail:miromoman@gmail.com
>> 
http://www.prosciens.com/
>> 
https://www.linkedin.com/in/edelmiro-moman-3a9979a/
>> _______________________________________________
>> Lilux-help mailing list
>> Lilux-help(a)lilux.lu <mailto:Lilux-help@lilux.lu>
>> 
https://www.lilux.lu/mailman/listinfo/lilux-help
 --
 Jean-Paul Piazzolla
 Concepteur de formations langues
 Enseignant Professeur
 Mobile: 661 19 79 19
 
www.academia.lu 
 --
 Edelmiro Moman, PhD
 Organic/medicinal/computational chemist & entrepreneur
 Phone: +352 621 511 423
 E-mail:miromoman@gmail.com