Update:
So I called Lenovo and they told me to send the laptop back. I recovered it to
factory state with dvds I burned before I did a clean Kubuntu install. This
morning (~5 days back on win7) I opened the lid and pushed the power button to
switch the machine on. Apparently it was hibernating b
I'm encountering this issue too. It started with the letter 't' acting
as the F9 key (same keycode in xev and showkeys). Since yesterday things
got worse. By now the keys t, arrow-up, delete and F5 all act as the F9
key, which renders the xmodmap solution useless (all 5 keys result in
the letter t