Unable to get projector to work

[Henrik Frisk]

Hi all,

I reaqlize that the info I'm giving here might be to little to give any
good suggestions, but I'm giving it a try nevertheless. I have a MBP with
the following graphics card:

VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M Mac
Edition] (rev a1)

I have no problem connecting to a second screen (VGA, Nouveau), but when I
connect to a projector (VGA) it doesn't show up at all. No, I don't have
the models of the two projectors I've tried with, but I did have the same
problem with my other computer and Fedora 15 (that time I was running
NVIDIA drivers).

Am I missing something obvious here? I wasn't clever enough to look at
Xorg.0.log yesterday when I tried the projector (I've been looking through
it now but I can't seem to find the right place), but I will next time and
perhaps I can provide better information.

Best,
/Henrik

[Robin Laing]

On 2014-04-03 01:31, Henrik Frisk wrote:
> Hi all,
>
> I reaqlize that the info I'm giving here might be to little to give any
> good suggestions, but I'm giving it a try nevertheless. I have a MBP with
> the following graphics card:
>
> VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M Mac
> Edition] (rev a1)
>
> I have no problem connecting to a second screen (VGA, Nouveau), but when I
> connect to a projector (VGA) it doesn't show up at all. No, I don't have
> the models of the two projectors I've tried with, but I did have the same
> problem with my other computer and Fedora 15 (that time I was running
> NVIDIA drivers).
>
> Am I missing something obvious here? I wasn't clever enough to look at
> Xorg.0.log yesterday when I tried the projector (I've been looking through
> it now but I can't seem to find the right place), but I will next time and
> perhaps I can provide better information.
>
> Best,
> /Henrik

What version of Fedora are you running?

On a PC, I just plug the projector in and it works in F18, F19 and F20.

Is the Other computer a MBP as well?

I wonder if there is some hardware issue that is being a pain if the 
monitor works and you unplug the monitor and then the projector and it 
doesn't without a reboot.  Something that is detecting the projector and 
blocking the port.

A quick scan of the web shows that this is also a problem for people 
using just macs.  You may need special drivers for the mac.

[Henrik Frisk]

Hi,

I'm unning Fedora 20, sorry I missed to put that in. Yes, my current laptop
is also a MBP. Now, I did do a couple of reboots and tried both VGA and
HDMI (mainly to make sure the projector's VGA port wasn't faulty, it is
still connected to the display port on my laptop). I will look into the
question of drivers. It seems to me that quite a few have had similar
problems, also with PCs but you might be right that it is a Mac issue. I
will check to see if I can figure it out.

/Henrik

On Fri, Apr 4, 2014 at 8:16 AM, Robin Laing  wrote:
> On 2014-04-03 01:31, Henrik Frisk wrote:
> > Hi all,
> >
> > I reaqlize that the info I'm giving here might be to little to give any
> > good suggestions, but I'm giving it a try nevertheless. I have a MBP with
> > the following graphics card:
> >
> > VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M Mac
> > Edition] (rev a1)
> >
> > I have no problem connecting to a second screen (VGA, Nouveau), but when I
> > connect to a projector (VGA) it doesn't show up at all. No, I don't have
> > the models of the two projectors I've tried with, but I did have the same
> > problem with my other computer and Fedora 15 (that time I was running
> > NVIDIA drivers).
> >
> > Am I missing something obvious here? I wasn't clever enough to look at
> > Xorg.0.log yesterday when I tried the projector (I've been looking through
> > it now but I can't seem to find the right place), but I will next time and
> > perhaps I can provide better information.
> >
> > Best,
> > /Henrik
>
> What version of Fedora are you running?
>
> On a PC, I just plug the projector in and it works in F18, F19 and F20.
>
> Is the Other computer a MBP as well?
>
> I wonder if there is some hardware issue that is being a pain if the
> monitor works and you unplug the monitor and then the projector and it
> doesn't without a reboot.  Something that is detecting the projector and
> blocking the port.
>
> A quick scan of the web shows that this is also a problem for people using
> just macs.  You may need special drivers for the mac.
>
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[Fred Smith]

On Fri, Apr 04, 2014 at 11:51:33AM +0200, Henrik Frisk wrote:
> Hi,
>    I'm unning Fedora 20, sorry I missed to put that in. Yes, my current
>    laptop is also a MBP. Now, I did do a couple of reboots and tried both

Just for those of us who don't recognize the abbreviation, what is "MBP"???

[Ed Greshko]

On 04/04/14 20:46, Fred Smith wrote:
> On Fri, Apr 04, 2014 at 11:51:33AM +0200, Henrik Frisk wrote:
> > Hi,
> >    I'm unning Fedora 20, sorry I missed to put that in. Yes, my current
> >    laptop is also a MBP. Now, I did do a couple of reboots and tried both
>
> Just for those of us who don't recognize the abbreviation, what is "MBP"???

Macbook Pro

[Dale Dellutri]

On Thu, Apr 3, 2014 at 2:31 AM, Henrik Frisk  wrote:
> Hi all,
>
> I reaqlize that the info I'm giving here might be to little to give any good
> suggestions, but I'm giving it a try nevertheless. I have a MBP with the
> following graphics card:
>
> VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M Mac
> Edition] (rev a1)
>
> I have no problem connecting to a second screen (VGA, Nouveau), but when I
> connect to a projector (VGA) it doesn't show up at all. No, I don't have the
> models of the two projectors I've tried with, but I did have the same
> problem with my other computer and Fedora 15 (that time I was running NVIDIA
> drivers).

Since you can connect to a second screen, but not a projector, I assume
the fault is with the projector.  On some projectors, you need to tell the
projector which of its inputs is plugged in (some can have VGA, HDMI,
Display Port, USB, and so on).  There's probably a button that will search
all the inputs once you plug it in.

However, more info would be helpful.

1. What Desktop Manager (GNOME, KDE, XFCE, ...) are you using?
2. What does the command
    $ xrandr
  say before and after you plug in the projector (and made sure that
  the projector knows which of its inputs is being used)?
3. Are you using the same cable that you used to successfully
  connect to a second screen? If not, is the cable bad?
> Am I missing something obvious here? I wasn't clever enough to look at
> Xorg.0.log yesterday when I tried the projector (I've been looking through
> it now but I can't seem to find the right place), but I will next time and
> perhaps I can provide better information.
>
> Best,
> /Henrik
>
> --
> users mailing list
> [e-mail]
> To unsubscribe or change subscription options:
> https://admin.fedoraproject.org/mailman/listinfo/users
> Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
> Have a question? Ask away: http://ask.fedoraproject.org

[Henrik Frisk]

On Fri, Apr 4, 2014 at 4:26 PM, Dale Dellutri wrote:
> On Thu, Apr 3, 2014 at 2:31 AM, Henrik Frisk  wrote:
> > Hi all,
> >
> > I reaqlize that the info I'm giving here might be to little to give any
>
> good
> > suggestions, but I'm giving it a try nevertheless. I have a MBP with the
> > following graphics card:
> >
> > VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M Mac
> > Edition] (rev a1)
> >
> > I have no problem connecting to a second screen (VGA, Nouveau), but when
>
> I
> > connect to a projector (VGA) it doesn't show up at all. No, I don't have
>
> the
> > models of the two projectors I've tried with, but I did have the same
> > problem with my other computer and Fedora 15 (that time I was running
>
> NVIDIA
> > drivers).
>
> Since you can connect to a second screen, but not a projector, I assume
> the fault is with the projector.  On some projectors, you need to tell the
> projector which of its inputs is plugged in (some can have VGA, HDMI,
> Display Port, USB, and so on).  There's probably a button that will search
> all the inputs once you plug it in.
>
> However, more info would be helpful.
> What Desktop Manager (GNOME, KDE, XFCE, ...) are you using?
> What does the command
>  $ xrandr
>
> say before and after you plug in the projector (and made sure that
>   the projector knows which of its inputs is being used)?
> 3. Are you using the same cable that you used to successfully
>   connect to a second screen? If not, is the cable bad?

I'm using Gnome. I don't have access to a projector here but as I wrote in
my original post I will make sure to get more info next time I have. The
input port, nor the cable would have been the issue as I tried both
different ports and different cables. I will get back with more info!

Thanks for the help so far.

/Henrik