Am 10.03.2013 14:53, schrieb Phil Perry:
> On 10/03/13 13:11, Florian Philipp wrote:
>> Am 09.03.2013 21:59, schrieb Joseph Areeda:
>>> I need some advice on how to turn on RANDR.
>>>
>>> I have a few systems with nVidia GPU 5xx and 6xx series.  Latest kmod
>>> drivers, multiple monitors with Xinerama enabled.
>>>
>>> Newer systems work fine but I have once that been upgraded since before
>>> the 2 were compatible.  I have libXrandr installed but it doesn't seem
>>> to be enabled.
>>>
[...]
>>
>> Any particular reason why you use xinerama? Usually you are better off
>> just using randr for multiple displays.
>>
>> Regarding xorg.conf: Try to remove it entirely and let X11 and your
>> desktop environment figure everything out.
>>
> 
> You need an xorg.conf for the kmod NVIDIA driver.

In that case try to get away with an xorg.conf that *only* reads

Section "Device"
    Identifier     "NVIDIA_Device"
    Driver         "nvidia"
EndSection

Hope this helps,
Florian Philipp