Red Hat Bugzilla – Bug 243002
D620 CRT/LCD button doesn't work (FN F8)
Last modified: 2018-04-11 07:24:22 EDT
Ever since the upgrade to Fedora 7 I can't switch from external monitor to LCD.
The button does nothing. They only way I is to CTRL-ALT-BACKSPACE and kill
X11, with the monitor plugged-in or unplugged.
It was working in Fedora Core 6.
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 156713 [details]
xorg config file
Created attachment 156714 [details]
Xorg Log file
It's been like this from a clean install. I doubt removing the file will make
a different however I'll try it later when I'm not working on the computer.
Ok here's what I've found:
If I reboot with no xorg.conf it boots in text mode great. When I get to the
login it gives me an error. Seems that the auto-detect on the LCD screen
:with no xorg.conf:
- OK: external monitor works
- OK: FN F8 key work no problem.
- Broken: the laptop without an external monitor doesn't work at all.
:with a xorg.conf (manually specify LCD monitor)
- OK: external monitor works, but only the external monitor if plugged in
- Broken: FN F8 key does nothing but give a console error that it doesn't know
what to do with it
- OK: boots ok if no external monitor is plugged in.
If I boot with an external monitor everything works fine. (FN 8) works no problem.
But as soon as I set the monitor to a LCD the FN8 key no longer works.
I have a D620 with intel video. I use 'xrandr' (from the command line) to switch
external monitor on/off. Does that work for you? I put a couple of icons on my
desktop to enable/disable external display.
Does the driver still fail to autodetect the LCD for you? We've put in some
fixes for that, but we still have a few more to add (see
https://bugs.freedesktop.org/show_bug.cgi?id=11917 for some more info on
But it sounds like you've really got two problems, the other one being that
your display hotswitch keys no longer work. Michael is right that xrandr
should let you switch outputs in the new driver, but the hotkeys should work
too. There's another upstream bug for that one:
https://bugs.freedesktop.org/show_bug.cgi?id=11546. We've got some code
slated for the 2.3 driver to fix that for some platforms.
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