when I unplug my netbook, I can use my keyboard. I can write my password on login screen, but nothing on the softwares (firefox, mail etc...) I must close and open the session for my keyboard is OK I'm on eos 5.1 (Atom N450, 2gb of ram, model ACER D255)

1 Answer 1


This could be a USB power issue.

Depending on what kind of keyboard you have, it's possible that it's drawing more voltage than your Netbook can handle when not plugged in.

You might consider using a powered USB hub. I like the ones Plugable provides since they were recommended to me a while back as being unusual in that they provide really solid power (not always a given among hubs apparently.)

  • Hi, thank you for your answer, but, I don't use a USB keyboard, just the netbook's keyboard.
    – Jérôme
    May 5, 2020 at 11:54
  • Oh wow sorry about that. I've never seen any Linux fail to detect / use an internal keyboard before!
    – feoh
    May 6, 2020 at 3:01
  • I think it's a bug on eOS, to resolve it, I must reload session
    – Jérôme
    May 6, 2020 at 12:33

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