It is certainly possible to set a 2nd display to > 75Hz in Ubuntu 12.04
-- we're doing that as standard practice in my lab. Try replacing your
Screen1 section in /etc/X11/xorg.conf with the following and reboot.
Option "TwinView" "0"
Option "metamodes" "CRT: 1024x768_120 +0+0"
On 07/13/2012 02:05 PM, Yanqiong Zhou wrote:
> Thanks Andrew,
> The second issue should be resolved as you suggestion.
> I tried the nvidia-settings and xrandr command, both of them failed.
> I can change the resolution of both monitors and refresh rate of primary monitor, but not the refresh rate
of second monitor.
> It seems that other people have similar issue caused by display card driver.
> I could not find a suitable driver for my display card in Ubuntu 12.04.
> I probably need go back to Ubuntu 11.
> Warm Regards,
> On Fri, Jul 13, 2012 at 5:38 PM, Andrew Straw
> Dear Yan-Qiong,
> The "nvidia-settings" program should let you adjust the frame rate of your display. See the attached
image. I had to also select my monitor resolution to allow me to set this.
> For issue #2, I think this is the same problem as described here: SDL 1.2 meets Gnome
3<http://frozenbyte.com/board/viewtopic.php?f=17&t=4229>. My suggestion is not to open VE
programs in fullscreen mode but rather use a window the size of the display and set the "No frame around
> Best regards,
> On 07/12/2012 12:59 PM, Yanqiong Zhou wrote:
> Hi Andrew,
> Sorry to trouble you.
> I'm Yanqiong, working with Angelique in Bruno's lab.
> I have two stupid questions about running visionegg on the linux system:
> (1) I can't set up the second monitor (LED panels) to a refresh rate higher than 75HZ in Ubuntu12.04, using
NVIDIA Geforce 9600GT. I tried nouveau, NVIDIA 295.49 driver and higher NVIDIA driver... ...
> Do you have any suggestion about the version of Ubuntu and NVIDIA driver that can allow me to set up the
second monitor to a high refresh rate?
> (2) When I using vision egg to display visual stimulus on the second monitor in Ubuntu, it showed
"visionegg" on the top-left corner. How can I only show the visual stimulus?
> Many thanks for your consideration.
> Best Regards,
> Andrew D. Straw, Ph.D.
> Research Institute of Molecular Pathology (IMP)
> Vienna, Austria
Andrew D. Straw, Ph.D.
Research Institute of Molecular Pathology (IMP)
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