dual monitor question

I'm running a geforce 4 dualhead under WinXP.Since I mostly work with Photoshop,I have calibrated my monitors.Now the problem is,that I'm not able to install two different ICC profiles for the two monitors.As soon as I install a profile for one monitor,the other one uses it ,too.It was possible with a Matrox under WinME(don't know about XP,though).
Does any of you guys run a geforce 4 dualhead under XP?
Stefan

FYI, I have the same problem using the Matrox M550 dual-head card under Win2K Professional.

Stefan said:

I'm running a geforce 4 dualhead under WinXP.Since I mostly work
with Photoshop,I have calibrated my monitors.Now the problem
is,that I'm not able to install two different ICC profiles for the
two monitors.As soon as I install a profile for one monitor,the
other one uses it ,too.It was possible with a Matrox under
WinME(don't know about XP,though).
Does any of you guys run a geforce 4 dualhead under XP?
Stefan
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Click to expand...

Same problem with Matrox M50 under XP.

CN

acassino said:

Stefan said:

I'm running a geforce 4 dualhead under WinXP.Since I mostly work
with Photoshop,I have calibrated my monitors.Now the problem
is,that I'm not able to install two different ICC profiles for the
two monitors.As soon as I install a profile for one monitor,the
other one uses it ,too.It was possible with a Matrox under
WinME(don't know about XP,though).
Does any of you guys run a geforce 4 dualhead under XP?
Stefan
--

Click to expand...

Click to expand...

With the Matrox G450 there is only one color look up table, as mentioned by Matrox. I would like to know if this is different with the 550 and other brands of cards. Like you I need a card similiar to what you are looking for. I'm very displeased with Matrox. I need a card with seperate color and ICC profiles. Is it best to just run two cards?

thanks

barbwire

Stefan said:

I'm running a geforce 4 dualhead under WinXP.Since I mostly work
with Photoshop,I have calibrated my monitors.Now the problem
is,that I'm not able to install two different ICC profiles for the
two monitors.As soon as I install a profile for one monitor,the
other one uses it ,too.It was possible with a Matrox under
WinME(don't know about XP,though).
Does any of you guys run a geforce 4 dualhead under XP?
Stefan
--

Click to expand...

barbwire,
that's a little bit complex.

The geforce 4 has two different LUTs,to which you have access within the driver.But calibration software like optical can only address one of the LUTs under Windows(no problem under MAc OS to address both of them seperately).

But you only need different LUTs,if you want to calibrate the 2 monitors seperately.Another way would be,to calibrate and profile the primary and only profile the secondary.In this case,one LUT is enough,but you need to be able to install two profiles,what I cannot,unfortunately.

A friend of mine has the Matrox 550 under WinME.He can calibrate and profile the primary and only profile the secondary and install two profiles.In the end,both monitors look match nearly perfectely.
Stefan

barbwire said:

thanks

barbwire

Stefan said:

I'm running a geforce 4 dualhead under WinXP.Since I mostly work
with Photoshop,I have calibrated my monitors.Now the problem
is,that I'm not able to install two different ICC profiles for the
two monitors.As soon as I install a profile for one monitor,the
other one uses it ,too.It was possible with a Matrox under
WinME(don't know about XP,though).
Does any of you guys run a geforce 4 dualhead under XP?
Stefan
--

Click to expand...

Click to expand...

Having just installed a Matrox G450 dual head video card, and trying
to use Adobe Gamma Utility on BOTH monitors ( a Dell P780 17" as
primary, and a Dell D1526TX-HS 15" as secondary - both Trinitron's)
and runnin Windows XP Home edition, I found that adjusting
Adobe Gamma when it's window was dragged to the second
monitor caused NO changes to the monitor's look. (I got a pop-up
from Adobe Gamma one time saying that it would adjust only the
monitor it was DRAGGED to...

Searching at Adobe's site, one of their tech's posted that A.G. would
only adjust the primary monitor, because pro's use two IDENTICAL
monitors, and if not, only use the primary as the image editing
monitor...

I don't know,wether the tech is right,but probably he is.But the question I have is,wether you are able to install two different ICC profiles with your matrox under XP (under display-properties and so on...).Can you try that for me?Just take any profiles(even if they are not for your Dell monitor,but they need to be monitor profiles) and try to install two different profiles for your two monitors and tell me,wether it's possible.

I'm using optical and a DTP-92 to calibrate my monitors.Optical is also not able to calibrate both monitors(due to windows limitations,like Adobe gamma),but you can profile the secondary.So you get a calibrated and profiled primary and a profiled secondary monitor.But with my GF4 I'm not able to install those two profiles,only one of them.It worked with a matrox under Win ME.So the question is,is the problem WinXP or is it the nvidia driver of my GF4.
Stefan

larry said:

Having just installed a Matrox G450 dual head video card, and trying
to use Adobe Gamma Utility on BOTH monitors ( a Dell P780 17" as
primary, and a Dell D1526TX-HS 15" as secondary - both Trinitron's)
and runnin Windows XP Home edition, I found that adjusting
Adobe Gamma when it's window was dragged to the second
monitor caused NO changes to the monitor's look. (I got a pop-up
from Adobe Gamma one time saying that it would adjust only the
monitor it was DRAGGED to...

Searching at Adobe's site, one of their tech's posted that A.G. would
only adjust the primary monitor, because pro's use two IDENTICAL
monitors, and if not, only use the primary as the image editing
monitor...

Click to expand...

Did you ever find a solution to this problem? I'm in a similar situation, but with an ATI Radeon 8500 and dual (identical) 19" Samsung SyncMaster 900ift monitors. Although there are slight differences in color between the monitors, I'd probably be happy if I could use a single profile on both monitors.
See my post about this...

http://www.dpreview.com/forums/read.asp?forum=1004&message=3658373

Thanks,

John

Stefan said:

larry said:

Having just installed a Matrox G450 dual head video card, and trying
to use Adobe Gamma Utility on BOTH monitors ( a Dell P780 17" as
primary, and a Dell D1526TX-HS 15" as secondary - both Trinitron's)
and runnin Windows XP Home edition, I found that adjusting
Adobe Gamma when it's window was dragged to the second
monitor caused NO changes to the monitor's look. (I got a pop-up
from Adobe Gamma one time saying that it would adjust only the
monitor it was DRAGGED to...

Searching at Adobe's site, one of their tech's posted that A.G. would
only adjust the primary monitor, because pro's use two IDENTICAL
monitors, and if not, only use the primary as the image editing
monitor...

Click to expand...

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Click to expand...