MacbookPro w 2nd display problem

When I attach a second display to my MacBook Pro the screen goes dark after about 10 sec while I can continue to work on the second screen. Is that a hardware or settings problem? I have checked all display options, tried other monitors, mirroring etc. All the same. It even happens if I do not login.
Thanks for any help.
MacBook Pro 15'', intel core duo, 2GHz, 2GB RAM Mac OS X (10.4.8)

Sorry, I have not been clear enough I guess. The MacBook screen does not dimm but goes dark = is switched off about 5-10 seconds when a second monitor is attached. I cannot find a way to prevent that or get the screen to light up again. Only restart without the 2nd monitor attached brings the screen to life again. It happens when the computer is on battery or AC power. The energy saver setting is 1h!! It is an Apple monitor; the same happens when a Sony monitor is connected (different cable). If mirroring had been switched on I can work on the second monitor while the MacBook monitor is off. If mirroring is switched off the second monitor goes blue when the main screen turns black. Reboot is the only way to awake the machine.
Any ideas?

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You might try looking/posting here.
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2nd display/monitor not working (strange problem)

hello,
I have a mac pro with this specification...
Model Name:          Mac Pro
Model Identifier:          MacPro1,1
Processor Name:          Dual-Core Intel Xeon
Processor Speed:          2.66 GHz
Number Of Processors:          2
Total Number Of Cores:          4
L2 Cache (per processor):          4 MB
Memory:          2 GB
Bus Speed:          1.33 GHz
Boot ROM Version:          MP11.005C.B08
SMC Version (system):          1.7f10
Serial Number (system):          Y***Q2
Hardware UUID:          00000000-0000-1000-8000-0017F207E704
Display monitor Specs :
Chipset Model:          NVIDIA GeForce 7300 GT
Type:          GPU
Bus:          PCIe
Slot:          Slot-1
PCIe Lane Width:          x16
VRAM (Total):          256 MB
Vendor:          NVIDIA (0x10de)
Device ID:          0x0393
Revision ID:          0x00a1
ROM Revision:          3008
Displays:
Cinema:
Resolution:          1680 x 1050
Pixel Depth:          32-Bit Color (ARGB8888)
Mirror:          Off
Online:          Yes
Rotation:          Supported
Cinema HD:
Resolution:          1920 x 1200
Pixel Depth:          32-Bit Color (ARGB8888)
Main Display:          Yes
Mirror:          Off
Online:          Yes
Rotation:          Supported
Problems facing....
My cinema HD is set to primary display and Cinema as 2nd display. Everything was working fine but suddenly my 2nd display stopped working. It remains black as if its in sleep mood. The small power led light on the monitor is On(not blinking). In Graphics/Displays shows both monitors are connected. I can drag any window to the 2nd display as if its working but its still black. In display preferences it shows both monitor on arrangement section. I can even change the resolution size of both monitors.
My cinema display monitor has no problem. I have checked it already. I have swapped the DVI ports at the back of my cpu but it seems only the 2nd port is giving this problem. As if no matter what my 2nd port of graphics card is on sleep mood. I have taken it to our local apple center and both ports were working fine there, the only difference is they checked it using none apple lcd monitor. But when I brought it back to office, it had the same problem again. The strange thing is....one day while I was working the 2nd display suddenly appeared but when I restarted my mac, it went back to the same problem. Till now my 2nd display not showing anymore. I have reinstalled to new OSx but the problem remains. So can anyone pls tell me how I can solve this problem.
thanks
<Edited by Host>

only the 2nd port is giving this problem
You have an older card, and the second port is flaky. The problem follows the port.
I am sorry to be so blunt, but the problem is YOU.
No one wants to be the one to club you on the head and point out that your card is dying, and you are going to have to get a new(er) one. There is no "quick fix" for dying Hardware, and no fix at all for you when you will not connect the dots and realize your card is on its last legs.
If running 10.6.4 or later, you can install the 5770 and it will work, but not at quite the advertised speeds if your slot will only go up to 8x.

MacBook 2nd display (mini-DVI-DVI (D)- VGA)?

I am trying to hook up a second display to my MacBook. The problem is that I don't have a mini-DVI to VGA adapter, but I have a mini-DVI to DVI, and a DVI to VGA adapters. So I connected my Apple mini-DVI to DVI, to my DVI to VGA, and then to my 2nd display (NEC LCD1560NX). The notebook's image flips as i normally connect a second display, it auto-detects the 2nd screen and displays its correct name, but I do not get an image on my second display. It set to the right resolution and frequency.
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go to system preferences -> display-> and mirror the displays, it should work on the second display, but the cons on the macbook is to work on the first display, the built in card may not support the second one, if thats the case i'm sorry i can't help it. you can also try to get a DVI/VGA splitter and see if that work, it works on standard integrated intel VGA models. good luck!

I can't seem to turn off my 2nd display (with no adapter plugged in)

Been looking on the internets for ages about this and not got anywhere, so did a completely fresh install last night.
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When I disconnect the adapter the Mac resets it display. Back to having this phantom display connected.
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Hi everyone,
with my new iMac (purchased 2 weeks ago) I have the problem that my 2nd display will stay black after I connected it to the Thunderbolt port. The display shows the blue background for a split second, then i goes black (and stays that way). I find the following lines in the log file:
Feb 15 18:18:34 Edoras Dock[157]: kCGErrorIllegalArgument: CGSCopyDisplayUUID: Invalid display 0x003f003d
Feb 15 18:18:34 Edoras Dock[157]: uuid_callback_master: failed to retrieve UUID for display 0x003f003d (1001) (invariant failure)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetCurrentDisplayMode: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
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Is this a problem with the in 10.7.x included drivers?
With the new Thunderbolt port?
I tried it with 10.7.2 and 10.7.3 on the iMac and the Mac Pro. It works like a charm on the Mac Pro, but not on the iMac. Do I need to buy the overpriced Apple adapter and can't use my adapter cable anymore?

Just a theory. Looking at the log errors you showed the system cannot get the display bounds. My theory is that the display is not able to pass the EDID (extended display identification data) through a TB port. While your 5770 could handle it the TB can't. Again, it's just my theory.
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I have a 2nd display that has recently stopped working with my iMAC - I had issues with the second monitor before I upgraded to 10.9 - then the problems went away ... had a bad storm one night and power flickered on / off. And can't get it to work since. I know the monitor / cord is good because i have an Mac Air and I plug it in and it comes right up and works great. I cleared the system log - unplugged and replugged the monitor in.. i don't see any errors in the system log.. can anyone see what is wrong? I cleared the log and put a marker on each side of the output.. I looks to me to see it - it say display added then right after that display removed..
4/11/14 10:19:24.832 AM Console[11817]: Marker - Apr 11, 2014, 10:19:24 AM
4/11/14 10:19:27.809 AM WindowServer[96]: Received display connect changed for display 0x42c0140
4/11/14 10:19:27.814 AM WindowServer[96]: Found 60 modes for display 0x042c0140 [39, 21]
4/11/14 10:19:27.835 AM WindowServer[96]: Received display connect changed for display 0x3f003d
4/11/14 10:19:27.835 AM WindowServer[96]: Found 1 modes for display 0x003f003d [1, 0]
4/11/14 10:19:27.836 AM WindowServer[96]: Received display connect changed for display 0x3f003e
4/11/14 10:19:27.836 AM WindowServer[96]: Found 1 modes for display 0x003f003e [1, 0]
4/11/14 10:19:27.849 AM WindowServer[96]: Display 0x042c0140: GL mask 0x1; bounds (0, 0)[2560 x 1440], 60 modes available
Main, Active, on-line, enabled, built-in, boot, OpenGL-accel, Vendor 610, Model b005, S/N 0, Unit 0, Rotation 0
UUID 0x1cbf8fef38ae9dfec93508341d780c47, ColorProfile { 2, "iMac"}
4/11/14 10:19:27.849 AM WindowServer[96]: GLCompositor: GL renderer id 0x01022724, GL mask 0x0000000f, accelerator 0x0000449b, unit 0, caps QEX|MIPMAP, vram 1024 MB
texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT
4/11/14 10:19:27.849 AM WindowServer[96]: Display 0x003f003f: GL mask 0x8; bounds (3584, 0)[1 x 1], 2 modes available
off-line, enabled, OpenGL-accel, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 3, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
4/11/14 10:19:27.849 AM WindowServer[96]: GLCompositor: GL renderer id 0x01022724, GL mask 0x0000000f, accelerator 0x0000449b, unit 0, caps QEX|MIPMAP, vram 1024 MB
texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT
4/11/14 10:19:27.849 AM WindowServer[96]: Display 0x003f003e: GL mask 0x4; bounds (3585, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
4/11/14 10:19:27.850 AM WindowServer[96]: Display 0x003f003d: GL mask 0x2; bounds (3586, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
4/11/14 10:19:27.869 AM WindowServer[96]: Display 0x042c0140: Unit 0: Startup Mode 2560 x 1440, CGSThirtytwoBitColor, Resolution 1, ioModeID 0x80000000, ioModeDepth 0x2, IOReturn 0x0
4/11/14 10:19:27.869 AM WindowServer[96]: Display added
4/11/14 10:19:27.869 AM WindowServer[96]: Display removed
4/11/14 10:19:27.870 AM WindowServer[96]: Display 0x042c0140: GL mask 0x1; bounds (0, 0)[2560 x 1440], 60 modes available
Main, Active, on-line, enabled, built-in, boot, OpenGL-accel, Vendor 610, Model b005, S/N 0, Unit 0, Rotation 0
UUID 0x1cbf8fef38ae9dfec93508341d780c47, ColorProfile { 2, "iMac"}
4/11/14 10:19:27.870 AM WindowServer[96]: GLCompositor: GL renderer id 0x01022724, GL mask 0x0000000f, accelerator 0x0000449b, unit 0, caps QEX|MIPMAP, vram 1024 MB
texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT
4/11/14 10:19:27.870 AM WindowServer[96]: Display 0x003f003f: GL mask 0x8; bounds (3584, 0)[1 x 1], 2 modes available
off-line, enabled, OpenGL-accel, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 3, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
4/11/14 10:19:27.870 AM WindowServer[96]: GLCompositor: GL renderer id 0x01022724, GL mask 0x0000000f, accelerator 0x0000449b, unit 0, caps QEX|MIPMAP, vram 1024 MB
texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT
4/11/14 10:19:27.870 AM WindowServer[96]: Display 0x003f003e: GL mask 0x4; bounds (3585, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
4/11/14 10:19:27.870 AM WindowServer[96]: Display 0x003f003d: GL mask 0x2; bounds (3586, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
4/11/14 10:19:27.899 AM WindowServer[96]: MPAccessSurfaceForDisplayDevice: Set up page flip mode on display 0x042c0140 device: 0x7fccf9d04630 isBackBuffered: 1 numComp: 3 numDisp: 3
4/11/14 10:19:29.836 AM WindowServer[96]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
4/11/14 10:19:29.868 AM WindowServer[96]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
4/11/14 10:19:29.881 AM WindowServer[96]: Display 0x042c0140: Unit 0; ColorProfile { 2, "iMac"}; TransferFormula (1.000000, 1.000000, 1.000000)
4/11/14 10:19:29.893 AM WindowServer[96]: Display 0x042c0140: Unit 0; ColorProfile { 2, "iMac"}; TransferFormula (1.000000, 1.000000, 1.000000)
4/11/14 10:19:29.907 AM WindowServer[96]: Display 0x042c0140: Unit 0; ColorProfile { 2, "iMac"}; TransferFormula (1.000000, 1.000000, 1.000000)
4/11/14 10:19:29.934 AM WindowServer[96]: Display 0x042c0140: Unit 0; ColorProfile { 2, "iMac"}; TransferFormula (1.000000, 1.000000, 1.000000)
4/11/14 10:19:38.781 AM Console[11817]: Marker - Apr 11, 2014, 10:19:38 AM

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Shawn:
One thing that caused the refresh to stop working is when you have error or bad settings in your report. Expand your upper right control panel or EVDRE area and see if everything is good. For instance, an EVDRE usually gives an error message rather than displaying (EVDRE OK) at upper right.
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I just updated to 10.9.2 on my 15" Macbook Pro (Mid-2010) and after the restart my secondary display will not work. When I plug it in to my mini displayport my secondary display comes up black and my primary display comes back with the background and settings that I had set for my secondary display. It seems as though the OS was confusing my primary display for my secondary. After messing with the settings I was able to get my primary display back to my primary settings, but the secondary display is still showing up black no matter how much I mess with the display settings in the system preferences (changes to resolution, mirroring, ect.). Anyone else experiencing this?

My friend just upgraded, and while the second monitor works, (15" Retina macbook Pro and 27" Display (displayport version, not TB version), if selects mirroring, the MacBook display sets to the same resoluiton of the external display, but the external display goes black. Turning mirroring off does not correct it, the only thing he can do is unplug the 2nd display and plug it back in. When he does this it resets the defaults of the displays, so he has to go to arrangement each time.
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This may seem picky, but it actually affects a lot of my day.
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A neat example, which works well on OS X is given here:
http://java.sun.com/docs/books/tutorial/extra/fullscreen/example-1dot4/DisplayModeTest.java
I also suggest this link for further explanations:
http://java.sun.com/docs/books/tutorial/extra/fullscreen/example.html
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or
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When at my desktop, I work with both my notebook display and another one.
When I unplug the 2nd display (eg: to take my notebook to a meeting) and later plug in it back, I have to drag the windows from notebook display to 2nd display again.
Do you know an option I should set so windows position are remembered and set again ? It would be very very useful for me !!
Or should I report a request for enhancement ?...
Thanks a lot
Best regards

I think the problem comes when you remove the second display, you shrink the extended desktop back to its one-display size. I expect that is similar to what would happen if you changed the resolution on one display alone to something really small, like 640 by 480.
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