Re: [LAU] usb midi keyboard not working when laptop on battery

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

From: Brett McCoy <idragosani@...>

To: Atte André Jensen <atte@...>

Cc: linux-audio-user@lists.linuxaudio.org <linux-audio-user@...>

Subject: Re: [LAU] usb midi keyboard not working when laptop on battery

Date: Tuesday, October 23, 2012 - 6:44 pm

On Tue, Oct 23, 2012 at 2:29 PM, Atte André Jensen wrote:

quoted text

> Hi
>
> I recently reverted from arch to ubuntu, and somewhere in that process my
> laptop stopped working with my usb keyboards (I have four, I didn't try all
> combinations, though) when my laptop is on battery.

Check your power settings (via XFCE or Gnome or whatever), the USB
ports may not be getting powered if you have 'prefer power savings
over performance'. There are also ways to tweak USB port power
settings:

http://www.ehow.com/how_7536984_configure-power-usb-ubuntu.html

--
Brett W. McCoy -- http://www.brettwmccoy.com
------------------------------------------------------------------------
"In the rhythm of music a secret is hidden; If I were to divulge it,
it would overturn the world."
-- Jelaleddin Rumi
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@lists.linuxaudio.org
http://lists.linuxaudio.org/listinfo/linux-audio-user

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[LAU] usb midi keyboard not working when laptop on battery, Atte André Jensen, (Tue Oct 23, 6:29 pm)

Re: [LAU] usb midi keyboard not working when laptop on battery, Brett McCoy, (Tue Oct 23, 6:44 pm)

Re: [LAU] usb midi keyboard not working when laptop on battery, Atte André Jensen, (Tue Oct 23, 8:39 pm)

Re: [LAU] usb midi keyboard not working when laptop on battery, Clemens Ladisch, (Wed Oct 24, 7:02 am)

Re: [LAU] usb midi keyboard not working when laptop on battery, Atte André Jensen, (Thu Oct 25, 10:41 pm)

Re: [LAU] usb midi keyboard not working when laptop on battery, Atte André Jensen, (Fri Oct 26, 6:34 am)

Re: [LAU] usb midi keyboard not working when laptop on battery, Jeremy Jongepier, (Tue Oct 23, 6:40 pm)