my display goes blank despite I don't want to

[chrisalnx06]

Hello! I have a problem  , my display still goes blank after 5 min despite I have made the configuration for avoid this, here are my settings:

Xfce Power Manager

General

  Buttons
    when power button is pressed:         ask
    when sleep button is pressed:          do nothing
    when hibernate button is pressed:    do nothing
    when battery button is pressed:       do nothing
    handle display brightness keys:        disabled

  Laptod Lid
    when laptop lid is closed:
      on battery: suspend
      plugged in: suspend

System
  System power saving
   
    System sleep mode:
      on battery: suspend
      plugged in: suspend
   
    When inactive for:
      on battery: Never
      plugged in: Never

  Critical power
    Critical battery power level:   10 %
    On Critical battery power:      Do nothing

  Security:
    Lock screen when system is going to sleep: (checked)


Display

  Display power management

    Blank after
      On battery: Never
      Plugged in: Never

    Put to sleep after
      On battery: Never
      Plugged in: Never

    Switch off after
      On battery: Never
      Plugged in: Never


  Brightness reduction

    On inactivity reduce to
      On battery: 20%
      Plugged in: 1%

    Reduce after
      On Battery: Never
      Plugged in: Never

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 Can somebody help me please?

 Thank you so much guys in advance!

 PD I love  Linux Lite by the way, I am in the process to get very comfortable with it... (Linux and i we are falling in love hehe  although sometimes there are some little issues  )