MacBook Pro :: Can't Turn Off Mirroring With VGA Duel Monitor Splitter?
Oct 29, 2010
My goal is very simple for the time being.... run my 2 LCD monitors together so I can have double the desktop space. I plugged everything in properly and it seemed to work right away at my pleasure. However, then I quickly started getting real pissed off.. If you guys have ever looked into the "displays" option when you have a mac hooked up to any other kind of external monitor, there is a "mirror displays" option. When I have these 2 monitors running default mirrored, and go into "Displays" there is no option for unchecking the mirroring box. In fact, there isn't even the "Arrangement" tab. Just "Display" and "Color".
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Feb 19, 2012
how do i hook up a duel monitor system to my macbook pro
Info:
MacBook Pro, Mac OS X (10.6.8)
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Jan 4, 2010
I setup duel monitor with my MacBook and i was going through the settings and i clicked on mirror displays and it did this And i cant click on any thing. and i have tried to fix it in Safe mode but it does that same thing.
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Sep 11, 2009
Earlier this summer, my iMac suffered a crashed Logic Board. Thankfully AppleCare took care of the $900 it would have cost to replace it.
Earlier today I put my MacBook Pro to sleep by closing the lid. About 2 hours later I went to open the lid and the monitor never turned on. The white light is on in the front. I restarted it and the light remained on and the monitor did not turn on. I unplugged all devices and restarted and still no luck. The Number Lock key lights up and the sound works fine - but no display.
Could this be another failed Logic Board or a failed chip set from here:[URL]
Are there some other types of methods I should try (PRAM Reset, etc.) If I have to bring it in, thankfully AppleCare covers this Mac for another year. What horrible luck - college just started.
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May 26, 2010
Anyways I have to burn a large disk image (Snow Leopard) legally of course. It's like 6.5gb so I bought memorex duel layer DVD+R 6.5gb the only one available at staples....
^That's my system profile of disk burning
Everytime I try to burn the disk image of 10.6 leapord it rejects the disk and ejects it.
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Jan 14, 2007
I'm trying to rig up a system for work that will allow me to remotely monitor an industrial job site for a few hours each day and control some equipment. I've got the ability setup to remotely control the equipment, but I need a dedicated camera on an engine tach and pump presser gauge. My original plan for a remote camera is not working and time is running short, so I thought I could end up using the new MB I got recently with the integrated webcam, and VNC into the computer. I tried it out today and it seemed to work well except for two things, both related to the display being on.
1) There is no power available so maximizing battery life is a must
2) I was getting a bit of a glare off the gauges from the screen that made viewing a bit difficult.
I think both would be solved if I could run the MB with the screen off, but I don't know if this is possible.
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Jun 21, 2009
I'm currently working out a plan to use my old Macbook as an AppleTV equivalent- I've found out about atv4mac and it sounds ideal. However, the laptop will spend the whole time running with the lid closed, is there any way to totally turn off the monitor? I can turn the brightness down all the way, but it's still on, seems like a bit of a waste!
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Feb 18, 2009
I know that the web have a lot of tips similar to this that i will ask, but i couldn't find no one exactly with what i want
I bought a new monitor, and mini-dvi adapter, an external keyboard and mouse to plug on my macbook
I would like to know how to turn off the macbook display without having to close it. I want to know that because if i don't close the macbook, both displays are on. If i close the macbook, the computer goes to sleep and then i press some keys on keyboard and the mac wake. In that point, if i open my macbook the display is turned off like i want. But i don't want to have to close the macbook all the time, and i don't want to leave the macbook closed because closed the temperature goes high.
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Nov 21, 2010
WITHOUT closing the lid, because i like using the touchpad. i know that you can turn the brightness all the way down, but sometimes windows from the main screen randomly open on the other display. and it also slows down performance. i want to turn off the 13" screen as if the lid was closed. that way, the mac doesn't even see it.
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Nov 12, 2009
I have seen people all over the internet saying that their MBP monitor would not turn on, but I have not seen my situation before. I used the computer a week ago (it's a work machine and I'm a part time intern) and both the external and internal monitor worked. I shut it down and when I came back the computer booted up to the external monitor but gave no video on the internal.
I shut down, removed the external monitor (connected by DVI cable) and rebooted. Nothing came up but when I connected the external again it worked fine. This had happened before, but when I shut down and rebooted without the cable connected it came back on immediately. I'm just hoping its not a bad graphics card or something that needs to go in for warranty.
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Sep 19, 2010
so im looking for a DVI splitter for my MBP (DVI out) so that i can display to my external monitor and my TV.... any one have any recommendations?
Im not trying to have different images on the 2 externals, i am fine with the same thing on both!
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Jun 22, 2009
I have a late 2008 MacBook Pro and while I think it's cool that I can use iPhone headphones with it I miss using my old school analog headset with a boom. I use skype for calls and find that people have a hard time hearing me with iPhone headphones. Is anyone aware of a splitter for that jack so that I can connect a headphone line and a mic line? I've seen lots of solutions that have a built in mic but I was hoping that there's simply a splitter out there somewhere.
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Mar 11, 2010
I have a macbook 2006 model with the mini-dvi connector. It has snow leopoard installed. I plugged in 1 external monitor and it displays 1680x1050 resolution on that monitor which is perfect. What can I expect if I split that DVI output with a DVI splitter to two monitors?
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Apr 7, 2012
I am going to buy a Mac Book Pro 13 inch 2.8 ghz. I was wondering if there is a way to get my mac to hook up to 24 tv's. I use them as mointors.
They both have HDMI and VGA/sound. I noticed that apple said that the MBP could only hook up with 1 thunderbolt on the second the mbpro would go dark. But I was hoping to work around that. I found this device on the internet: [URL] I was wondering if it would work so I could have My email up on my macbook pro and on tv 1 have safari up and on the second tv have itunes up? I do not want them to mirror! I want them to both extend my display!
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Jun 23, 2010
I have a Mac Pro 8 core that is almost 2 years old. Still running Leopard and 10.6 I believe.
This morning all worked great, and after a lunch break the 30" Apple monitor won't turn on. The power lights on the monitor. We substituted an older 22" we have and that won't work as well.
We tried both video inputs on the back on the computer and still nothing.
When we turn on the computer we hear the Apple signature sound and even though there is no visual on the monitor, this computer has a QuicKey keystroke to shut down the computer and this works.
Is this a graphics card failure?
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May 13, 2012
I'm trying to run duel monitors on my mac mini. I am just wondering what I can buy to do this and if I even can do this. I am trying not to pay more than $30 and I already have a screen and a VGA cable.
Info:
Mac mini
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Jun 25, 2014
I have a Late 2011 MBP, just recently I also go an Xbox and wanted to hook it up to my external display that I have been using for a long time with no issues. I went and bought this: URL....to be able to easily switch between the two inputs. The xbox works fine, however when I view my Macs input the screen flickers a static image very frequently.
I know what you're thinking, it's probably an issue with either a cable, or the device. But when I boot into Windows via Bootcamp with the same exact setup, there is no flicker at all. The display is a dell s2440L, the HDMI adapter is a rocket fish.
Here are the troubleshooting steps I have tried: Resetting PRAM/SMCChanging out HDMI cables on both the Splitter output, and the inputs (I tried 3 different cables on both the inputs, and outputs.)Downgrading OSX to 10.7 (And then went back to 10.9)Lowering the resolution on the monitor (Lower resolutions flicker just as much, if not more.)Resetting the splitter by unplugging the HDMI cord powering it and plugging it back in.and of course, plugging my computer into the splitter input that the Xbox works fine on, as well as taking the xbox one out so the computer is the only input on the splitter.
Like I said, the Xbox works fine, and even the computer works fine in Windows, but whenever I boot into OSX my screen flickers with this static. I should add, the display works fine when not connected to the splitter on OSX.
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Oct 28, 2007
Is there a simple app, key combo, or a way I can use AppleScript, to turn off my monitor manually (resume on mouse move)? I need something like this for the automatic input switcher on my monitor to work.
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Oct 26, 2009
I am seriously considering the possibility of using the 27in iMac as an external monitor with my MBP when I am home and need the extra monitor space. That would also allow my family to use the iMac when I am away at work or out of town. Since my MBP has a Mini DisplayPort, it should be as easy as connecting the MDP from the laptop to the MDP on the back of the iMac and then connecting the USB for audio? However if the iMac is turned on, how can I use the monitor without the actual computer running at the same time?
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Jun 3, 2014
2012 Mac mini with a Thunderbolt display, recently updated to 10.9.3. Normally, it's set to never sleep, but to have the display turn off after 15 minutes with no screen saver. Since the 10.9.3 update, it won't turn off at all. I've tried changing the settings back and forth with no results. I've also gone into Library->Preferences->SystemConfiguration and deleted the PowerManagement.plist file.
I can turn the power off with control-shift-eject, but I'd rather it happen automatically. Is there something else new that came along with 10.9.3 that is preventing monitor shutdown?
Info:
Mac mini (Late 2012), OS X Mavericks (10.9.3)
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Dec 2, 2007
my computer doesn't turn off its monitor any more. i check the energy saver preferences, and its the same that i've had them before. the screen doesn't even dim anymore.
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Jan 17, 2009
i have a imac g5 and it is hooked up to an external monitor. the reason why i want to turn off the imac screen is because the lcd is cracked. i just want to use the other monitor as the main one.
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Feb 28, 2009
i've looked far and wide for a way to turn the monitor off on my new imac 24", nvidia 8800, running xp and still havent found anything. does anyone know of a way to turn it off? i've tried to set the "turn monitor off" setting to 1 min under power management and it gets ignored. also, i've even written an app to try and turn the screen off based on this: [URL:...] and it is also completely ignored.
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Apr 11, 2012
my monitor seems to turn off after around 5-10 minutes or so. i tried changing the setting, but couldn't find how i could do it.
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Mar 23, 2012
How can I wirelessly show macbook pro content on my HDTV (i.e. mirrored from macbook to tv). I currently have it wired, but would like to do it wirelessly.
Info:
MacBook (13-inch), Mac OS X (10.7.3)
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Aug 21, 2014
My MacBook Air is 2011 and the airplay mirroring is not working ...
Info:
MacBook Air, OS X Mountain Lion (10.8)
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Jul 10, 2009
iMac G5 17" iSight
1.83GHz
2GB 667MHz SDRAM
My monitor has turned off and will not come back on. Clicking noises and a slow operating speed occurred a few days ago. I have tried this SMU Reset Process below:
from [URL]
1. Turn off the computer by choosing Shut Down from the Apple menu, or by holding the power button until the computer turns off.
2. Unplug all cables from the computer, including the power cord.
3. Wait 10 seconds.
4. Plug in the power cord while simultaneously pressing and holding the power button on the back of the computer.
5. Let go of the power button.
6. Press the power button once more to start up your iMac.
Upon completing step 6, the computer turns on only to feature the fans spinning at maximum speed and still no monitor display.
Is this a Logic Board issue? The iMac was purchased for $1700 in 2006. Would repair costs be so high that just buying a new iMac would be the better way to go?
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Dec 18, 2008
My MacBook Pro at work running 10.5.5 "sees" the monitor but the display won't turn on and no screen appears.
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Mar 9, 2010
**Intel Imac 24 in. 2.4GHZ Core 2 Duo (NOT G5...my bad)
I know the "Using imac as external monitor" topic has been adressed in previous posts and it apparently can't be done. But this is slightly different.
I have this Imac G5 24" that is currently out of order. (won't detect hard drives when powered on 90% of the time and when it does i am experiencing ridiculous lag and random shutdowns...not to mention crazy overheating)
I sent it to tech support and after changing the hard drive, power supply etc.. and still not seeing any improvement i just stopped sinking money in repairs and got a new imac.
So now i just have this useless imac laying around and i figured i might as well try and recycle it into a secondary monitor.. I don't mind hacking it open since i have nothing to lose. I was just wondering if it could be done and if so would it be very complicated? I would rather pay a few hundred dollars in wires and IT than buy a cheap external monitor since its already a decent quality monitor and it matches the new imac
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Apr 23, 2012
During turn on monitor displays a flashing file folder with a question mark
Info:
iMac, Mac OS X (10.0.x)
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