I ran
xev | sed -n 's/^.*state \([0-9].*\), keycode *\([0-9]\+\) *\(.*\), .*$/keycode
\2 = \3, state = \1/p'
according to https://wiki.ubuntu.com/Hotkeys/Troubleshooting and pressed Fn-F8
on a Dell Latitude E6400 with Intel Graphics and BIOS version A09.
If I press Fn-F8 once, xev outputs:
keycode 235 = (keysym 0x1008ff59, XF86Display), state = 0x10
keycode 235 = (keysym 0x1008ff59, XF86Display), state = 0x10
keycode 235 = (keysym 0x1008ff59, XF86Display), state = 0x10
keycode 235 = (keysym 0x1008ff59, XF86Display), state = 0x10
Pressing Fn-F8 in a normal GNOME session switches between:
- LVDS (internal display) active, external display (DVI via docking station,
output HDMI-1) disabled
- LVDS active, external display (DVI via docking station, output HDMI-1)
enabled at its preferred mode. LVDS shows a portion (1440x900) of the whole
screen (1600x1200, resolution of the external display).
I'm going to test Fn-F2 (enable/disable battery charger), Fn-F3 (display
battery charge level, at least that's what it does on Vista) and Fn-F7 (Dell
Control Point Software) with input-events and acpi-listen if I have the time,
as those didn't cause a keypress event.
Note that Fn-F2 is working nevertheless, I can enable/disable battery charging.
Fn-F8 never worked for me with Ubuntu 8.10.
Package versions:
linux-image-2.6.28-11-generic:
Installed: 2.6.28-11.38
Candidate: 2.6.28-11.38
Version table:
*** 2.6.28-11.38 0
500 http://de.archive.ubuntu.com jaunty/main Packages
100 /var/lib/dpkg/status
hal:
Installed: 0.5.12~rc1+git20090204-0ubuntu4
Candidate: 0.5.12~rc1+git20090204-0ubuntu4
Version table:
*** 0.5.12~rc1+git20090204-0ubuntu4 0
500 http://de.archive.ubuntu.com jaunty/main Packages
100 /var/lib/dpkg/status
udev:
Installed: 140-2
Candidate: 140-2
Version table:
*** 140-2 0
500 http://de.archive.ubuntu.com jaunty/main Packages
100 /var/lib/dpkg/status
Please let me know if you need any more information.
--
Dell Latitude E6400: Fn Hotkeys don't work
https://bugs.launchpad.net/bugs/341604
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