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Old Jan 25, 2013, 03:58 AM   #26
anarti
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I have tested connecting Dell U2711 at my work to rMBP 15" via miniDP to DP kable (bought for 5 on ebay ) and it works as it should. Tested with HDMI to DVI cable but can't get full screen resolution, instead, I was stuck at fullHD resolution.

I bought Eizo SX2462 for home and it works great with miniDP to DP cable, straight out of the box.

Just FYI
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Old Jan 25, 2013, 04:49 PM   #27
andyone
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I managed to solve the problem for the U2713H: http://embdev.net/topic/284710

If anyone with an U2713HM can send me the output of the command "ioreg -l", I can make a fix for it as well.
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Old Jan 26, 2013, 03:13 PM   #28
stereoscott
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Quote:
Originally Posted by andyone View Post
I managed to solve the problem for the U2713H: http://embdev.net/topic/284710

If anyone with an U2713HM can send me the output of the command "ioreg -l", I can make a fix for it as well.
Which problem did you fix? The color issue or the wake from sleep?

I have a U2713HM hooked up to my thunderbolt port with a miniDP to DP cable and it's using YPbPr instead of RGB.

Here is the relevant snippet of ioreg -l.

Code:
+-o AppleDisplay  <class AppleDisplay, id 0x1000096f0, registered, matched, active, busy 0 (0 ms), retain 9>
    | | | |   | |         {
    | | | |   | |           "IOClass" = "AppleDisplay"
    | | | |   | |           "CFBundleIdentifier" = "com.apple.iokit.IOGraphicsFamily"
    | | | |   | |           "IOProviderClass" = "IODisplayConnect"
    | | | |   | |           "DisplayProductID" = 16512
    | | | |   | |           "IODisplayEDID" = <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>
    | | | |   | |           "IODisplayPrefsKey" = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/P0P2@1/IOPCI2PCIBridge/GFX0@0/NVDA,Display-C@2/NVDA/display0/AppleDisplay-10ac-4080"
    | | | |   | |           "IOPowerManagement" = {"MaxPowerState"=3,"CurrentPowerState"=3}
    | | | |   | |           "IOProbeScore" = 2000
    | | | |   | |           "IODisplayParameters" = {"bgsc"={"min"=0,"max"=65536,"value"=65536},"pscn"={"min"=10000,"max"=10000,"value"=10000},"dpir"={"min"=0,"max"=0,"value"=0},"thrm"={"min"=0,"max"=255,"value"=64},"cmod"={"min"=0,"max"=4096,"value"=256},"rgsc"={"min"=0,"max"=65536,"value"=65536},"ggsc"={"min"=0,"max"=65536,"value"=65536},"cyuv"={"min"=1,"max"=268439825,"value"=268435456},"dith"={"min"=0,"max"=1,"value"=0},"colr"={"min"=1,"max"=268439825,"value"=268439825}}
    | | | |   | |           "IOMatchCategory" = "IODefaultMatchCategory"
    | | | |   | |           "AppleDisplayType" = 2
    | | | |   | |           "IODisplayAttributes" = {"IODisplayAttributes"=<676174760000000073676c6600000000726c6f631101000063706220020202006364670080808000676c666401000000>}
    | | | |   | |           "AppleSense" = 1854
    | | | |   | |           "IODisplayConnectFlags" = <84410000>
    | | | |   | |           "DisplayVendorID" = 4268
    | | | |   | |           "DisplaySerialNumber" = 858992716
    | | | |   | |         }
I was looking into overriding the IODisplayEDID but I didn't know which bit to change to force it into RGB.
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Old Jan 27, 2013, 04:57 AM   #29
andyone
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Quote:
Originally Posted by stereoscott View Post
Which problem did you fix? The color issue or the wake from sleep?
I fixed the color issue when the display is connected via DisplayPort. I don't have any issues with sleep.

Please try the file I sent you (copy to /System/Library/Displays/Overrides/DisplayVendorID-10ac and reboot). Now you should see "Input Color Format: RGB" in the color settings of the display and "Dell U2713HM EDID override" in your system report. Please tell me if that works.
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Old Jan 27, 2013, 03:44 PM   #30
stereoscott
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Thumbs up

Quote:
Originally Posted by andyone View Post
I fixed the color issue when the display is connected via DisplayPort. I don't have any issues with sleep.

Please try the file I sent you (copy to /System/Library/Displays/Overrides/DisplayVendorID-10ac and reboot). Now you should see "Input Color Format: RGB" in the color settings of the display and "Dell U2713HM EDID override" in your system report. Please tell me if that works.
Worked perfectly. Thank you!

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Old Jan 28, 2013, 03:29 AM   #31
slurmomatic
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Awesome.

@andyone: could you upload the file somewhere?
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Old Jan 28, 2013, 03:00 PM   #32
andyone
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The fix for U2713H and U2713HM is now included in the download here:
http://embdev.net/topic/284710
Direct link:
http://embdev.net/attachment/167830/...D_override.zip
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Old Jan 30, 2013, 05:25 AM   #33
Bodo
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Great work. But I can't find the /Displays folder in the Library?
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Old Jan 30, 2013, 06:40 AM   #34
theluggage
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Quote:
Originally Posted by Bodo View Post
Great work. But I can't find the /Displays folder in the Library?
You're probably looking in the wrong 'Library' - there are several. You want
Macintosh HD -> System -> Library (not the one at the top level of Macintosh HD or the one in your home directory).
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Old Jan 30, 2013, 09:16 AM   #35
Bodo
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Thanks! Now I found it!
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Old Jan 30, 2013, 10:05 AM   #36
gurkann
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Hi,

I have the same problem (it's using YPbPr instead of RGB) with color on my Dell u2711 plugged into my 15" rMBP (base model).

@andyone could you please do a fix and upload here?

Info from the "ioreg -l" command.

Quote:
| | | | | | +-o AppleDisplay <class AppleDisplay, id 0x100001ab3, registered, matched, active, busy 0 (0 ms), retain 9>
| | | | | | | {
| | | | | | | "IOClass" = "AppleDisplay"
| | | | | | | "CFBundleIdentifier" = "com.apple.iokit.IOGraphicsFamily"
| | | | | | | "IOProviderClass" = "IODisplayConnect"
| | | | | | | "DisplayProductID" = 41047
| | | | | | | "IODisplayEDID" = <00ffffffffffff0010ac57a04c4437300b160104b53c22783a8e05ad4f33b0260d5054a54b008100b300d100714fa940818 001010101565e00a0a0a029503020350055502100001a000000ff0047363036543233433037444c0a000000fc0044454c4c2 055323731310a2020000000fd0031561d711e000a202020202020019202031df15090050403020716010611121513141f202 30d7f07830f0000023a801871382d40582c250055502100001e011d8018711c1620582c250055502100009e011d007251d01 e206e28550055502100001e8c0ad08a20e02d10103e960055502100001800000000000000000000000000000000000000000 000000000004b>
| | | | | | | "IODisplayPrefsKey" = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/P0P2@1/IOPCI2PCIBridge/GFX0@0/NVDA,Display-B@1/NVDA/display0/AppleDisplay-10ac-a057"
| | | | | | | "IOPowerManagement" = {"MaxPowerState"=3,"CurrentPowerState"=3}
| | | | | | | "IOProbeScore" = 2000
| | | | | | | "IODisplayParameters" = {"bgsc"={"min"=0,"max"=65536,"value"=65536},"pscn"={"min"=10000,"max"=10000,"value"=10000},"dpir"={" min"=0,"max"=0,"value"=0},"thrm"={"min"=0,"max"=255,"value"=34},"cmod"={"min"=0,"max"=4096,"value"=2 56},"rgsc"={"min"=0,"max"=65536,"value"=65536},"ggsc"={"min"=0,"max"=65536,"value"=65536},"cyuv"={"m in"=1,"max"=268439825,"value"=268435456},"dith"={"min"=0,"max"=1,"value"=0},"colr"={"min"=1,"max"=26 8439825,"value"=268439825}}
| | | | | | | "IOMatchCategory" = "IODefaultMatchCategory"
| | | | | | | "AppleDisplayType" = 2
| | | | | | | "IODisplayAttributes" = {"IODisplayAttributes"=<676174760000000073676c6600000000726c6f63110100006370622006060600636467008080 8000676c666401000000>}
| | | | | | | "AppleSense" = 1854
| | | | | | | "IODisplayConnectFlags" = <84410000>
| | | | | | | "DisplayVendorID" = 4268
Thanks!
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Old Feb 2, 2013, 09:20 AM   #37
andyone
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http://embdev.net/topic/284710#3027030
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Old Feb 2, 2013, 07:59 PM   #38
arkzrlo
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Quote:
Originally Posted by andyone View Post
Thanks a lot!!

I can confirm that this method works on HDMI too! The colors on my Dell 2408WFP were totally wrong because the video signal was sent using YPbPr instead of RGB, with this fix it looks beautiful.

Last edited by arkzrlo; Feb 2, 2013 at 08:44 PM.
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Old Feb 4, 2013, 12:25 PM   #39
gurkann
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Quote:
Originally Posted by andyone View Post
Awesome it worked, thank you very much!
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Old Feb 5, 2013, 12:56 PM   #40
bcrawfo2
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I have a Dell U3011 connected via Displayport. It shows as "Television: Yes".
Here is my output from ioreg -l, if you would be so kind to help.

| | | | | | | +-o AppleDisplay <class AppleDisplay, id 0x1000004ac, registered, matched, active, busy 0 (0 ms), retain 9>
| | | | | | | {
| | | | | | | "IOClass" = "AppleDisplay"
| | | | | | | "CFBundleIdentifier" = "com.apple.iokit.IOGraphicsFamily"
| | | | | | | "IOProviderClass" = "IODisplayConnect"
| | | | | | | "DisplayProductID" = 16485
| | | | | | | "IODisplayEDID" = <00ffffffffffff0010ac65404c4e324131140104b54028783a8d85ad4f35b1250e5054a54b00714f81008180a940d100d14 001010101e26800a0a0402e603020360081912100001a000000ff005048354e5930433741324e4c0a000000fc0044$
| | | | | | | "IODisplayPrefsKey" = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/P0P2@1/IOPCI2PCIBridge/GFX0@0/NVDA,Display-B@1/NVDA/display0/AppleDisplay-10ac-4065"
| | | | | | | "IOPowerManagement" = {"MaxPowerState"=3,"CurrentPowerState"=3}
| | | | | | | "IOProbeScore" = 2000
| | | | | | | "IODisplayParameters" = {"bgsc"={"min"=0,"max"=65536,"value"=65536},"pscn"={"min"=10000,"max"=10000,"value"=10000},"dpir"={" min"=0,"max"=0,"value"=0},"thrm"={"min"=0,"max"=255,"value"=59},"cmod"={"min"=0,"max"=4$
| | | | | | | "IOMatchCategory" = "IODefaultMatchCategory"
| | | | | | | "AppleDisplayType" = 2
| | | | | | | "IODisplayAttributes" = {"IODisplayAttributes"=<676174760000000073676c6600000000726c6f63110100006370622006060600636467008080 8000676c666401000000>}
| | | | | | | "AppleSense" = 1854
| | | | | | | "IODisplayConnectFlags" = <84410000>
| | | | | | | "DisplayVendorID" = 4268
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Old Feb 5, 2013, 03:10 PM   #41
andyone
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See the link I posted.
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Old Feb 5, 2013, 03:31 PM   #42
bcrawfo2
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Thanks Andy.
Sorry I didn't do as much reading before I posted. I read this post yesterday and got sidetracked. Found it again this morning and didn't want it to happen again.

That fix worked great for my U3011.
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Old Feb 9, 2013, 02:29 AM   #43
jotap66
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Did this problem fix in 10.8.3 (beta)?

Hi:

I want to buy a new MacMini. I had been waiting from October and I think now (almost) all the problems video have been solved.

My idea was to buy a Dell Monitor. I have been changing my idea from U2412hm, U2410 or U2413 (I am fond of photogrphy, not pro) but now my last idea was to buy a 2713HM (the resolution seduces me).


I would want to know if this problem is solved in 10.8.3. I know that Apple had been working in video card drivers in this version.

Does the mini have this problem?

Thank you very much

jpeinado
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Old Feb 9, 2013, 02:32 AM   #44
booba84
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Hi guys,

Could you please help me to run this script. I have some problems to run it.
Here is the screenshot of terminal commands.


Andreas on the forum http://embdev.net/topic/284710#3025666 said that i should run this script with only the external display connected.
I have tryed all ways to switch off my macbook display: switch it to sleeping mode, than to wake it up with keyboard, but still the terminal command to run the script doesn't work

Probably I did something wrong with typing in terminal window.

Could you please help me.

Thank you.
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Old Feb 9, 2013, 12:42 PM   #45
booba84
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to Andyone

Dear friend,
Could you please help me with RGB colour problem.
Here is the ioreg -l display data

+-o AppleDisplay <class AppleDisplay, id 0x1000003be, re$
| | | | | | {
| | | | | | "IOClass" = "AppleDisplay"
| | | | | | "CFBundleIdentifier" = "com.apple.iokit.IOGraphicsF$
| | | | | | "IOProviderClass" = "IODisplayConnect"
| | | | | | "DisplayProductID" = 41047
| | | | | | "IODisplayEDID" = <00ffffffffffff0010ac57a04c353930$
| | | | | | "IODisplayPrefsKey" = "IOService:/AppleACPIPlatform$
| | | | | | "IOPowerManagement" = {"MaxPowerState"=3,"CurrentPo$
| | | | | | "IOProbeScore" = 2000
| | | | | | "IODisplayParameters" = {"bgsc"={"min"=0,"max"=6553$
| | | | | | "IOMatchCategory" = "IODefaultMatchCategory"
| | | | | | "AppleDisplayType" = 2
| | | | | | "IODisplayAttributes" = <676174760000000073676c6600$
| | | | | | "AppleSense" = 37119
| | | | | | "IODisplayConnectFlags" = <c4410000>
| | | | | | "DisplayVendorID" = 4268
| | | | | | "DisplaySerialNumber" = 809055564
| | | | | | }

Thank you very much
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Old Feb 25, 2013, 04:27 AM   #46
twood
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Dell U2713H - Macbook Air 2011 ghosting

Hi,

I just got the Dell U2713H monitor. I connected it with a macbook air
mid 2011 model (Thunderbolt minidp) using a mini dp to mini dp cable.
I didn't have the YcBcR or the sleep issues although OSX system profile reports the monitor as "television".
The colors are fine and the monitor's color mode is in RGB as expected.
The problem I have is a strange ghosting (probably an RTC overshoot
issue) when moving windows or scrolling text!

You can read more details about this here ( See section Responsiveness and Gaming:
Unfortunately if we evaluate the Response Time Compensation (RTC) overshoot then the results are not as pleasing. There is some significant overshoot evident with transitions from dark to light shades, particularly when changing to white (255). We had already noted that the response time for these transitions was very low and it seems that the overdrive impulse is being applied very aggressively here. While it may be speeding up the pixel transitions it is causing a large degree of overshoot. For the changes to 200 and 255 the average RTC overshoot was a high 23.8% which was not very good at all. In practice this results in an obvious trailing image on certain transitions which could prove distracting. Transitions from light to dark are not affected as much but there are still some errors with the transitions which are close together (e.g. 255 - 200 and 200 - 150). We can conclude that the response times of the U2713H are pretty good, but the RTC overshoot may prove problematic to some users.)


I have tried the EDID override thing but it doesn't seem to correct the
"ghosting" issue although it corrected the false "television" reporting in system profile.
I have also tried connecting my laptop with several other dp
cables but the issue is still there.

Has anyone tested this particular monitor with a standard DVI-D PC ?
Have you noticed any ghosting or fuzziness when moving windows or scrolling text?

I wonder whether this RTC Overshoot thing is just a generic issue of this monitor and how much noticeable should be for the average user...
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Old Feb 25, 2013, 11:22 PM   #47
stereoscott
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U2713H vs U2713HM

Quote:
Originally Posted by twood View Post
I just got the Dell U2713H monitor. I connected it with a macbook air
mid 2011 model (Thunderbolt minidp) using a mini dp to mini dp cable.
I was about to ask you how you connected to your monitor with a mini dp cable, but then I learned that the U2713H has a mini dp connection, whereas the "U2713HM" does not. Thought it was worth noting! Perhaps that is why you are getting RGB right out of the box, too.
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Old Feb 26, 2013, 07:24 AM   #48
twood
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Quote:
Originally Posted by stereoscott View Post
I was about to ask you how you connected to your monitor with a mini dp cable, but then I learned that the U2713H has a mini dp connection, whereas the "U2713HM" does not. Thought it was worth noting! Perhaps that is why you are getting RGB right out of the box, too.
Well I have also tested with the dell provided mini-DP to DP cable and no RGB issues...
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Old Apr 22, 2013, 07:18 PM   #49
cramazing
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can someone teach me exactly how to do this?
Im a newbie when it comes to mac and their codings.

I have a DELL U2713H and a 15" Retina MBP

I tried playing with this under terminal and its not working and I can even find the system "library" folder

thank you
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Old Apr 23, 2013, 09:40 PM   #50
cramazing
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anyone???
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