Mac Pro :: Dual Monitor Stopped Responding / Get It To Work?
Jun 14, 2010
I'm working with a Mac Pro (2x3 GHz Dual-Core Intel Xeon, 4 GB RAM) and a dual 23" monitor setup. Quite recently the second monitor stopped responding, after disconnecting everything, moving, and reconnecting. (Everything was boxed lovingly in its original packaging and moved by gentle movers.)
It isn't the monitors � both work fine in the first monitor port. The computer recognizes there is a second monitor attached, allowing me to access Arrangement options under System Preferences > Displays.
The power light on the second monitor comes on, blinking in the following manner (if it were Morse Code): dot dash dot....(then it is dark for about four seconds before repeating the same blinking sequence). It appears to have some sort of meaning.
Any ideas? Is there a way to reset this?
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Sep 1, 2009
I connected a external monitor onto my macbook pro and I want to know how do I make that monitor my main one? like move everything (dock, folders, and bar on top) to my external monitor?
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Apr 6, 2009
I have had this MacBook 2.2 about three years or so. I have been using Safari Version 4 Public Beta (4528.16) for some time. It has been working OK, however recently I found a problem: Browser comes on as normal, it opens the email page but then, it stops responding to the clicks. I can not write a "new" message or anything else.
To deal with such situations I had some time ago installed the Camino 1.6.6,It works OK, a week or so ago I saw a prompt to upgrade my Camino to 1.6.7.
I did what one normally does, I down loaded it , pressed the button to 'install and run' it, but instead of doing what I thought it should do ,a dialoge box came up to tell me that some error has occurred, I should get in touch with the person who owns the computer. Well it did not say that in those words but it meant that.I am the person who owns it, uses it and I had put in the correct password, when it required.
It has happened a couple of times. I assumed It will resolve itself as glitches do,but no it has not. I have just tried it and the issue persists.Why has the Safari gone sour, and why I can not update the Camino 1.6.7.?
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Mar 3, 2012
preview has stopped responding, menu items will open with right clicking, cannot access preferences, cannot find plist preferences file to delete it, have done repair disk permissions, now at a loss.
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3)
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Jul 7, 2009
I was installing a new dvd player since my first one died a month out of warranty. I had the top cover/keyboard out, with the cable still connected. All of a sudden the keyboard stopped responding, and now I can't power on the laptop. Is it easy to damage the ribbon cable that connects the keyboard? I was somewhat rough with it, but I am worried that I will order the whole assembly and it still won't work? I cracked the cover while doing the install, so I do need one anyway.
Is there any way to power it on without a keyboard? Are they crazy expensive at the mac store? Can they hook one up and test it or do I have to leave it there? I have too much important data to let someone have access to my hard drive. This is incredibly urgent since I cant get to my work data, and I am self employed. I had to borrow a 10 yr old computer to get internet access.
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Dec 4, 2009
I installed bootbcamp today and windows 7 and after a period of time the following message would pop up after the screen froze and various artifacts would appear or the screen would be divided in half horizontally with artifacts in the middle.
"Display driver stopped responding and has successfully recovered"
I don't think this is a bootcamp driver issue. This is an issue between ATI and Microsoft and has been going on at least since 2007. Not much to say about it at this point, but I was wondering if anyone else has experienced this issue with the new iMac's and windows?
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May 20, 2010
My iphoto stopped working a little while ago, it wouldn't open. I would press the icon and it would jump, but nothing would happen. So I tried copying one from someone elses mac, same thing. it is there, all my photos are there but it will not open. So I found my discs and I reinstalled the programs, all the other ilife programs were and are still fine after the reinstall, but then again iphoto is not working. Just jumps when I click it and does not respond. I found a thread on here about a similar problem, so I followed the instructions and repaired the disc and then went to look for com.apple.iphoto.plist to trash it and its not there. I really am at a loss I don't know what to do short of reinstalling my entire operating system.
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Apr 25, 2012
My "Caps Lock" key stopped functioning. Will not respond under the Keyboard Viewer either, though all the other keys do. Light will not come on, so I have to use the Shift key for each letter that I want to type in capital letters. I cannot find any on/off switches for that key under Help, or in System Preferences. Did I hit a key combinations somehow, that deactivated the Caps Lock Key? I have the bluetooth keyboard that came with my i7 IMAC.
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3), 16GB/1T + SSD /Office 2008
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Jul 18, 2010
The setup: MacPro 2.8GHz (Early 2008 model with 8 cores, 10 GB RAM, nVidia GeForce 8800GT, four internal hard drives of a total of 5.25 TB).
The symptoms: On Friday night I was booted into Windows Vista (64-bit) via Bootcamp as I had to do a bit of gaming not possible under OS X. Specifically I played All Points Bulletin (brand new MMO only for Windows). I found it to be an interesting idea to open another game at the same time (Warhammer Online). So I had both games running at once. After a couple of hours I received an error message ("Display driver has stopped responding and successfully recovered"). I had seen this message on a few occasions under Windows some months ago too. This time however the error message went away only to give me a slightly garbled image on screen. Psychedelic colours, quite funny looking in fact. I restarted Windows, and all looked normal again.
Then I opened browsers, word documents and so on, all normal. But as soon as I opened a game, the display was full of distortion and funny looking colours, dots and stripes, patterns vertically and horizontally. I also received the dreaded blue screen (which I had never had in Windows on my Mac since I installed it two years ago). I booted into OS X. All looked normal. Then I opened a game. Same symptoms as in Windows. I restarted. Opened only a simple YouTube video. Even then the display was making everything on screen impossible to see (and read). I did all the normal procedures (resetting PRAM, checking on logs for hints at what could be wrong and so on). I also ran the Apple hardware test, the extended version, which lasted two hours. It found nothing wrong.
I checked all connections and cables, I double checked the interiors of the Mac, no dust, all looked normal. I restarted the Mac into OS X once again, and this time I could only see the Apple logo during booting. After that it was mostly a black screen with some strange colour patterns. I'm writing this from another computer away from home as the Mac is all I have there at the moment, and I do not have access to any of its contents from here now (no logs to show you, no photos or videos). To me this looks definitely like the 8800GT has died completely, and I will bring it into an Apple retailer tomorrow for some testing, but I thought I'd just mention this here in case you guys should have any ideas. I would like to point out that I run iStat on my Mac and that I regularly check on the components temperatures and fan speeds.
Everything always look normal there (low temps in general, and fan speeds are mostly at their idle default settings, spinning up a little bit when doing graphically intensive tasks for example when video editing or playing a game). I did notice on Friday night that the power supply fan under OS X remained at its low idle setting all the time even when I tried to speed it up by using SMC Fan Control. The program managed to speed up all the other fans, but not the PSU fan. I do not know if that is any indication of something else going on. Sadly SMC Fan Control cannot control the GPU card's fan under OS X, but under Windows I do regularly control the GPU fan and temperature, and the card there has always been running between 60 and 84 degrees C.
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Nov 5, 2009
Im running SL (updated of course) on my MacBook Pro 4,1. Im fairly new to Macs and to be honest I didnt even know about Activity Monitor till very recently. So I figured I would check out whats going on with my system and fire it up. Activity Monitor does not respond. It starts to open but then sits at this screen with a beach ball...
After a while I usually just Force Quit. Ive ran Onyx recently as well as Disk Repair and everything seems ok.
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Jan 16, 2009
I searched but couldn't find anything that I needed. I picked up some MDDs(dual 1.25 & FW800 1ghz) with bad power supplies and eying up another MDD(Dual 867) which is working. Will the dual 1.25 and single 1ghz processor daughter card work on the previous model? I know the System clock is different and heard about removing a resister on the first gens to 167mhz FSB. I will also try and transplant the PSU too to check to see if my 2 MDDs fully work or not.
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Jul 17, 2009
In the last 2 weeks before my MP shipped, I've asked 3 Apple Geniuses at Apple stores and Apple Tech support about running dual DVI 23" Cinema Displays with 4870's. They ALL said I would need a second card. When I attempted the install, there were only 2 power cord clips on the back face of the main board. Both being used by the onboard Radeon 4870. What to do next? Another call to Apple support offered me a nice Indian girl who I could not really understand. Finally, I called a local non-Apple shop that I frequent for hardware and service issues. The very nice service tech told me to take the 2nd card back, since that original 4870 will drive 2 monitors perfectly, in my case, with a simple Mini DisplayPort to DVI adaptor for the 2nd 23" display.
how would you install any 2nd graphics card, if a 4870 takes up both power clips?
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Jun 27, 2009
I have a 22" Dell external monitor on my MBP. I know that I just close the cover to my MBP to shut off the screen. What do I do in those instances that I want to use both screens? There has to be something simpler than restarting the MBP?
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May 1, 2009
I know that the general consensus here is that the Mighty Mouse is a piece of shit. That notwithstanding, I'd appreciate posters refraining from engaging in further elaborations on that concept when replying to this topic (i.e., no comments like "Buy a new mouse," please).
At any rate, I purchased a wireless Mighty Mouse about a month ago and was very happy with it until the batteries apparently died. One day the pointer simply stopped responding and the green light on the bottom of the mouse was flashing. I replaced the batteries and the mouse resumed normal operation. Then, a few days later it happened again. I have yet to re-replace the batteries and have reverted to using my now eight-year-old Logitech dual-optical mouse (possibly the finest peripheral I have ever owned). Has anyone else encountered this issue?
Is this mouse having internal hardware or software issues or is it normal for it to devour batteries at this rate? System Preferences says that Bluetooth is maintaining the connection properly, so I am ruling that out as an issue. I would just say to hell with it, and use my Logitech mouse full-time, but my wife hates it and I payed seventy goddamn dollars for the Apple product.
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May 20, 2006
im a new switcher, just had my MBP and love mac very much i interested in mac mini, and i wonder if mac mini can use dual monitor because i only see one dvi connector in mac mini?
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Mar 10, 2009
I am looking at my 24 inch LED and wondering how one might configure a dual monitor setup with two of these. The single cable is too short for any arrangement but CPU directly behind the monitors. Not enough length to get both to the floor under my desk or with the CPU to the side of one.
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Sep 2, 2009
Since installing SL last Friday, every time I restart my computer, SL thinks it sees a dual monitor set up. I only have one monitor. It's really getting annoying because I lose my mouse pointer in empty space where SL thinks there is a second monitor. I'm not sure how to remedy this situation.
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Dec 3, 2010
i would like to know is it possible to have my MBP lid closed and use two additional monitors as my main?
will there be any heat issue on the MBP ( keep in mind i will be using it for many hours design/code )
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Dec 22, 2006
I would like to use the machine to do powerpoints at our church. I want to use the internal monitor and an external monitor (projector) to do the powerpoints. I want it to work like the my iBook with the screen spanning hack installed.
if not then i will probably end up using a g3 desktop instead.
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Mar 29, 2008
Ok so if you were to play Wow on osx with dual monitor... do you play on one screen while the other screen is still under osx?? Or does the 2nd monitor become part of the game??
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Dec 10, 2008
I know about KVM switches but i haven't found one that would share two apple cinema using 2 DVI on the KVM switch.Any site suggestions of were they might sell this switch.
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Apr 10, 2012
I am looking to run a dual monitor setup with my mac mini. Can someone point me in the right direction on what is needed (if anything). Both monitors are brand new, but neither have hdmi.
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May 1, 2012
my iMac has stopped detecting my external monitor. It is a new iMac running 10.7.3, the monitor is connected via the thunderbolt port.
It was working perfectly fine, now its stopped for some reason.
Info:
iMac, Mac OS X (10.7.3)
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Jul 6, 2008
My MBP was updated from 10.5.2 to 10.5.4 (combined update) this morning and, after the installation finished, it rebooted into a blue screen. I restarted it several times and always went into blue screen.
Now, the interesting part is that this is not the "blue screen after install" problem others are experiencing. If I disconnect the external monitor during restart and wait for OS X to start everything works fine. After OS X starts properly I can even reconnect the external monitor and it works fine. In fact I am writing this post from my MBP using the external monitor right now.
Since some document on the Apple Support website was suggesting to remove the file ApplicationEnhancer.bundle in System/Library/SystemConfiguration when experiencing blue screens after the install of 10.5.4, I did look in that folder for that file but it's not there...
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Dec 8, 2008
I have a dual monitor setup and just wondering how to get my secondary monitor to play gta iv and games in general from the get-go.
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Sep 14, 2009
I have a 2008 iMac with intel processors and a Macbook Air for when I travel.
I want to set the Macbook Air up as a second monitor while I am at home using my iMac. How do I do this?
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Apr 13, 2010
Just ordered a 17" MBP and am looking to use a dual monitor setup with an HPw22. I've tried to do some research on my own but am still unsure about what adapter I should go with as this is my first time attempting to run a dual monitor setup. Below are the specs of the monitor for the interfaces with a link to the entire specs.
Interfaces 1 x VGA - 15 pin HD D-Sub (HD-15) , 1 x DVI-D - 24 pin digital DVI
[URL]
I was just wondering what someone who is a bit more knowledgeable about this would recommend getting adapter wise. Can I go with either the Mini DisplayPort to VGA or Mini DisplayPort to DVI since my monitor has both? Is their an advantage to one over the other?
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Aug 26, 2014
I've got a brand new macbook pro 13inch and recently purchased two of the mini display port adapters to dvi.
Figured I would setup both my external monitors 1920x1080 and have 2 + 1 monitors for working.
Only once was I able to plug both of the monitors in and have them work. Every other time (100s) the laptop crashes.
I'm able to run one external monitor at a time, but not both.
Info:
MacBook Pro (Retina, 13-inch, Mid 2014), OS X Mavericks (10.9.4)
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Aug 19, 2007
I recently got a PowerMac G4. When I viewed it Everything was working. Upon me hooking it back up I noticed It was not getting any picture. The Monitor was brand new so I did not figure it to be broken I checked the monitor on another computer and it worked great. From what I understand this is a common internal problem on the G4.
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Sep 14, 2006
By using boot camp, I finally managed to install XP on my Macbook Pro. I can extend the monitor but the problem is that the extended monitor is in Black&WHite and totally jagged/off centered. I tested the adater and the cable with other machine and they work fine, so definitely issue is not the cable and the adapter. I really need to use Dual monitor for some software that I use on XP, so this is really really important to me.... My MacbookPro is 2.16ghz with 2GB of RAM, and the video card is ATI Radeon X1600. Maybe I need to install different driver for the card? If anyone has done the same please please let me know exactly how you did it
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