This always happens! (i spend hours trying to solve a problem, and then, just minutes after asking on a forum, i find the solution)
Just now i inserted a live cd and deleted an xorg.conf file i created earlier. Now it doesn't crash anymore, and i'm able to boot properly.
Still i haven't solved my initial problem, though.
How do i disable just one monitor?
johan@tubes:~$ sudo lshw | grep VGA
description: VGA compatible controller
product: 661/741/760 PCI/AGP or 662/761Gx PCIE VGA Display Adapter
Googled a bit more, and found out the man page for the standard drivers: http://manpages.ubuntu.com/manpages/...an4/sis.4.html
Option "ForceCRT1" "boolean"
could solve the problem, only problem is: where do i enter this?
Okay, so i needed to create a xorg.conf file (there wasn't one there by default) i found someone elses config somewhere and just copied it and edited it a bit.
Here's my current xorg.conf:
I was finally able to turn off the lcd screen by running sisctrl!
Identifier "Configured Video Device"
Option "UseFBDev" "true"
Option "EnableSiSCtrl" "yes"
Identifier "Configured Monitor"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
I'm still unable to choose higher resolutions, though...