<div dir="ltr">Try to change it using commands, like those shown here: <a href="http://askubuntu.com/questions/149054/how-to-change-lcd-brightness-from-command-line-or-via-script">http://askubuntu.com/questions/149054/how-to-change-lcd-brightness-from-command-line-or-via-script</a><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div>This way you might be able to figure out if is a shortcut problem or another problem...</div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">2015-09-27 1:57 GMT-03:00 Marlon Ng <span dir="ltr"><<a href="mailto:guikaye@gmail.com" target="_blank">guikaye@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div><div>My laptop is running Lubuntu. It used to have this file: <br><br>/sys/class/backlight/acpi_video0/brightness<br><br></div>but it's now replaced with this:<br><br>/sys/class/backlight/samsung/brightness<br><br></div>(in other words, the acpi_video folder is replaced with samsung folder)<br><br></div>Now I can't used the Fn key + up or down arrow to adjust brightness.<br><br></div>1. Is this due to recent updates?<br><br></div>2. I recently installed another desktop environment in my Lubuntu, which proved to be buggy, so I uninstalled it. I wonder if it has anything to do with Fn key not working?<br><br></div>3. The Fn key + right or left arrow button to adjust sound works fine; only problem is the brightness adjustment (Fn + up or down arrow)<br><br></div>Any ideas?<br></div>
<br>--<br>
Lubuntu-users mailing list<br>
<a href="mailto:Lubuntu-users@lists.ubuntu.com">Lubuntu-users@lists.ubuntu.com</a><br>
Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/lubuntu-users" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/lubuntu-users</a><br>
<br></blockquote></div><br></div></div>