Getting monitor resolutions when xorg isn't running

Barry Scott barry.scott at
Fri Feb 19 08:02:05 PST 2010

On 19/02/10 15:47, David Sveningsson wrote:
> On 2010-02-19 16:27, John Tapsell wrote:
>> On 19 February 2010 14:53, David Sveningsson<ext at>   wrote:
>>> Hi, is it possible to get a list of supported resolutions for a monitor,
>>> similar to using xrandr, but even if xorg hasn't been started?
>> sudo apt-get install xresprobe
>> sudo  ddcprobe | grep ^mode:
> Thanks, good enough. I had to build it from source since I don't run a
> debian-based distribution.
> But does xresprobe deal with multiple monitors?
We used to use a program like ddcprobe but hit problems on some
hardware because it depended on calling video bios functions to
get the DDC. Not all video bios supported what was needed.


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