I have a HP Compaq 6000 Pro small form factor which has a DisplayPort output and Ubuntu 11.04 installed. The machine has integrated Intel graphics.
I am trying to connect the machine to a monitor with displayport to displayport to use as a second monitor.
When booting, the screen recognizes the machine and BIOS startup is displayed, however when Ubuntu loads the screen goes black and the monitor goes into sleep mode.
The screen cannot be detected from System > Preferences > Monitors. Unfortunately the HP Compaq 6000 Pro only has VGA and DisplayPort - it doesn't have DVI since it is a small form factor. I don't have a DisplayPort>DVI Adapter either, but this shouldn't make a difference, it would appear to be an intel/xorg problem with recognizing the DisplayPort device.
Could anybody suggest a way to debug this problem? Any help is much appreciated.
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