I have the same symptoms as #16. ctrl+alt+t doesn't work, but
ctrl+alt+y, for example, does work if I assign ctrl-alt-y to the
terminal shortcut. I have 15.04 running on a System 76 Kudu
Professional. ctrl-alt-l doesn't work either.
Also, as #8 mentioned, the PrtSc/SysRq button appears to do no
Yesterday right after I installed Unbuntu Linux (version 2.6.35-22
#33-Ubuntu) on my new Dell M4500, the touchpad worked fine -- I set up
vertical and horizontal scrolling and left-edge zooming. But after a
reboot (or maybe the updates), the touchpad is no longer recognized,
with the exact symptom