Questions that relate specifically to Macs and peripherals with DisplayPort hardware (not Thunderbolt).

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5
votes
1answer
1k views

Constant flickering on my external display

I've recorded a 7 second video of it here: http://youtu.be/2k9P59Z32wE. Basically, the screen will alternate between a fuzzy picture, color bars, and then black every ~2 seconds or so. Technical ...
2
votes
1answer
2k views

Connecting a Dell U2412M to a 2013 Retina MacBook Pro using DisplayPort to Mini DisplayPort

I recently got a Dell U2412M monitor. I'm attempting to connect it to my 2013 Retina MacBook Pro using a DisplayPort to Mini DisplayPort cable. I repeatedly get a "Entering Power Saving Mode" dialog ...
1
vote
1answer
342 views

30hz vs 60hz 4K output

I am currently using a MacBook Pro 13" 2015 model with a Samsung U28D590 UHD display. Currently I am using the HDMI port of the monitor with a mini-displayport to HDMI adapter and receive 4K 30hz ...
1
vote
1answer
73 views

Reconfigure Thunderbolt DisplayPort Monitor Ordering

I have 2x Dell U2412M monitors connected via Thunderbolt/Mini-DisplayPort. Even when I swap the ports connecting to the Mac, the monitors keep their #1 and #2 designations. My physical monitor plan: ...
1
vote
1answer
150 views

MacBook Pro with Retina display VGA problem

I just bought a 13" MacBook Pro with Retina display. When I connect it to a projector using a MiniDisplay Port to VGA cable, the quality of the image is awful in terms of definition and colour. How ...
1
vote
1answer
311 views

External display randomly acquires and loses signal under Mavericks 10.9.4

I am trying to use a Planar PXL2790MW external display with my iMac 11,3 (2.93 GHz 27inch) connected by a Mini DisplayPort to DisplayPort cable. The display works intermittently: at random times, it ...
1
vote
1answer
586 views

How to connect an iPad 3 to 27" Apple Cinema Display (Mini DisplayPort)

How can I connect my iPad 3 (30-pin dock connector) to my 27" Cinema Display (MiniDisplayPort)?
1
vote
1answer
110 views

Dual Monitor support without external video card

I'm thinking about buying a MBP Retina 13". Now I want to work at home on 2 Monitors, so the MBP will be somewhere under the table. Is it possible to connect first Monitor via HDMI and the other one ...
1
vote
1answer
308 views

Dell U2713HM LCD Monitor Killing Wifi (and ethernet) on my Mid-2012 MBP and iPhone 4S

I just purchased a Dell U2713HM monitor. As soon as the monitor is turned on, the internet (both wifi and wired) goes out. I have tried the following fixes: 1) Changing channels on wifi router. 2) ...
1
vote
1answer
221 views

Suggestions for Multiple 24" LED Cinema Displays and MacBook Pro

I have two Apple 24" LED Cinema Displays and a mid-2010 17" MacBook Pro. I've used one display with the computer for a long time, but recently acquired the second display. Given that I have these two ...
0
votes
1answer
187 views

External Monitor is not Working with Windows 8.1 64bit (MacBook Pro Late 2011)

I need to connect my Macbook Pro Late 2011 to external (LG) monitor via Minidisplay port to DVI. I have the latest drivers for my Intel HD Graphics 3000 and the latest Bootcamp as well. Can anybody ...
0
votes
1answer
58 views

MBP not detecting external monitor

I have 2 MBP. A private (late-2013) and a work (mid-2012). My private MBP can detect the external monitors instantly without any issues. My work MBP can only detect one of the monitors.. The monitors ...
0
votes
1answer
600 views

Can't get Macbook Air (2013) and Dell monitor to connect over DisplayPort

I can connect the Macbook Air to the Dell monitor (P2314H) over VGA with a mini DisplayPort to VGA connector. I would like to get it working over DisplayPort though, as I've read that the picture ...
0
votes
1answer
132 views

External monitor randomly lowers resolution adds black borders

Okay this has been driving me crazy long enough. I have an external monitor who's resolution is 1920x1080 60Hz. My MacbookPro Late/Mid 2010 has been able to work with the monitor and resolution since ...
0
votes
1answer
349 views

Are you using a Sharp PN-K321 at 60Hz with a Late 2013 Mac Pro?

According to Apple's KBase article on "Using 4K displays", the Sharp PN-K321 monitor is supported at 60Hz in MST mode if you're connected via mini DisplayPort to DisplayPort. I've ordered a StarTech ...
3
votes
0answers
186 views

Multiple monitors get mixed up

I am on OSX Lion, with a MacBook Pro. I am using the DisplayPort for an external monitor and two USB Diamond BVU195 for two extra monitors. Each time when I turn my computer on, the two monitors get ...
2
votes
0answers
785 views

Apple “Cinema HD Display” (DVI) not recognized by MacBook Pro (late 2013)

My new MacBook Pro (late 2013) refuses to recognize an Apple 30-inch Apple Cinema HD Display. That monitor has only a DVI cable. I am using a new Apple-brand Mini DisplayPort to DVI adapter. When I ...
2
votes
0answers
227 views

Use a Mini Displayport cable to connect a Late 2013 rMBP to a 2009 iMac?

Can I use a male to male Mini Displayport cable to connect a Late 2013 rMBP to a 2009 iMac? I want to use the 2009 iMac as a secondary display for the rMBP.
2
votes
0answers
373 views

Trying to connect a Korean IPS (2560x1440) to a Macbook Air (13-inch, Mid 2012, 1.8 GHz Intel Core i5)

I'm trying to get a Macbook Air to work with a Korean IPS. It's not a big deal -- I have it set up on my Linux machine, but I'd like to be able to watch some videos (Amazon Prime HD) that don't work ...
1
vote
0answers
33 views

2014 Mac Mini with two mDP-DP monitors

I'm planning to upgrade from a 2011 base model Mac Mini to a 2014 high end Mini (2.8Ghz i5, Iris, 16GB ram) and wanted to see if I could drive two 2560x1600 monitors through the thunderbolt ports with ...
1
vote
0answers
163 views

Daisy chain two dell UltraSharp u2414h to MacBook Air (mid 2012)?

I have a MacBook Air (Mid 2012) and was thinking about buying 2 Dell UltraSharp u2414h monitors. Would it support daisy chaining these two monitors with the mini DisplayPort to DisplayPort cable ...
1
vote
0answers
82 views

Mac Mini and Wide (21:9) Monitor / Display Port Issue

When I boot up my Mac Mini after moving it from my office at work where it worked with my wide (21:9) monitor to my house, when I boot it the display does not show up on the monitor anymore. Waits ...
1
vote
0answers
817 views

Macbook Air (mid 2013) daisy chaining two Dell U2715H?

I have a Macbook Air (mid 2013) and two Dell U2715H monitors. I am able to connect the one monitor to the Macbook via the DisplayPort-MiniDisplayPort cable. This works great! Now I want to connect ...
1
vote
0answers
101 views

External screens connected to MacBookPro and its main screen turn off momentarily frequenetly

My Mid 2014 Retina MacBook Pro is connected to two Dell external monitors (U2713HM) via lightening-to-displayport cable Some day my MBP and the two monitors can momentarily turn off and then turn ...
1
vote
0answers
62 views

Turning on LED monitor causes menu items to disappear

When turning on my LG LED TV, random menu items disappear (but are still accessible, it's just the icons that seem to disappear). Here is what the menu bar looks like on the newly turned on LG TV ...
1
vote
0answers
109 views

Using a 27" LED Cinema display with a 2009 Macbook

I have an old 2009 Macbook (white) and a 27" LED Cinema Display with a Mini DisplayPort cable. The Macbook only has a Mini DVI connector and I believe it's only single link (since it's not a Macbook ...
1
vote
0answers
303 views

Can 2013 retina MacBook Pro (Mavericks) offer same native 1600x1200 via VGA display that worked with 2009 MBP (pre-Mavericks)?

I have a Samsung 213T LCD, with a native resolution of 1600x1200, that worked great as an external monitor, using a DisplayPort VGA adapter, with my 2009 13" MacBook Pro through several OSX releases. ...
1
vote
0answers
462 views

Macbook Air Mid 2013 Mini Display to VGA Issue

I bought new macbook air and mini display to vga cable. When I connect to external monitor, air doesn't recognize it. I tried different external monitors with different cable, same result. My friend ...
1
vote
0answers
255 views

Mac Mini 2011 and DP video output is unstable - blanks multiple times in 10 minutes

I brought last year a Mac Mini 2011 (the base model with Intel 3000 HD). Yesterday I brought a Dell U2713H. I now run with two displays connected and the other displays have been reliable before ...
1
vote
0answers
476 views

How can I watch iTunes HD Movies from my iMac on my HDTV?

I've had difficulty watching my HD iTunes Movies on an HDTV. Does anyone have a success story on how to do this? What are you using? For some reason, my current setup fails at the HDCP ...
1
vote
0answers
665 views

Two external monitors via a single mini DP output on my macbook pro 13

I was hoping someone might have tried this before and can tell me if it will work, before I go out and buy all the adapters. I want to connect two external monitors to my macbook pro by connecting ...
1
vote
0answers
2k views

Can the 2011 Mac Mini support 3 displays with DP 1.2 chaining?

Dell u2713H monitor supports Daisy Chaining. as one of the first monitors I've seen that uses DP 1.2 protocol. In essence, I'm asking if thunderbolt supports / enables / works with DP chaining, but ...
1
vote
0answers
703 views

Automatic “detect displays” not working when plugging in Mini DisplayPort

Some time ago, the automatic detection of external displays stopped working when plugging in a display via Mini DisplayPort to my 13", late 2011 Mac Book Pro with Lion installed. This is regardless ...
1
vote
0answers
466 views

iMac doesn't recognize my MacBook Pro when connecting via mini DisplayPort

I use my iMac as an external monitor for my MacBook Pro via mini DisplayPort. But, sometimes, it fails. The iMac went black for some seconds when I plugged the cable in but it went back into the ...
1
vote
0answers
408 views

Low display resolution after using external display?

I've a refurbished late-2008 Macbook Pro running the latest version of Lion. This problem started couple of weeks ago. Whenever I detach an external monitor, the resolution on the laptop display goes ...
0
votes
0answers
37 views

Problem with external monitor quality!

I'm trying to connect my MacBook Pro 15'' Late 2012 to an external Full HD TV/Monitor via a Mini Displayport to HDMI cable. The quality is not good at all! It looks blurry, especially the font! Does ...
0
votes
0answers
77 views

If Thunderbolt is a successor to DisplayPort, why can't it support DisplayPort multi-streaming?

As a disclaimer: Yes, I know Thunderbolt (2) is multi-stream capable of up to 6 devices in a single chain. Yes, I know you can add a single DP monitor at the end of a Thunderbolt daisy-chain as an ...
0
votes
0answers
38 views

Incorrect resolution while external display connected

I have an Dell external display which has the best resolution @1440*900. My laptop is 2015 13 inch rBMP MX840. The problem is that when I connected this external display into the Mac, it cannot show ...
0
votes
0answers
32 views

Disable automatic display detection

I have a MacBook Pro with two monitors attached: one via HDMI and the other via a DisplayPort adapter to DVI. The DisplayPort adapter is finicky and sometimes comes loose, causing OS X to attempt to ...
0
votes
0answers
174 views

MacBook Pro no longer outputs native resolution to external monitor when rotation is on

I have a mid 2012 Retina MacBook Pro running Yosemite 10.10.3. As of last week, I was running an external Dell 24" monitor connected with a Thunderbolt to DisplayPort cable and rotated to portrait ...
0
votes
0answers
129 views

DisplayPort to HDMI not working correctly?

Macbook Pro 2012 (Non retina) OS X 10.9.2 Belkin DisplayPort to HDMI adapter I'm connecting the DisplayPort to HDMI adapter to my new 65" Vizio Smart TV. However, when I make the displays dual ...
0
votes
0answers
236 views

Problems with OSX 10.10.1 and 4k Monitor on MBP 2011

I've got an Samsung U28D5960 now, and I'm only able to use the resolution of 2560x1440 on my MBP early 2011 with 16Gb Ram and the AMD Radeon HD 6750M 1024 MB. The About my Mac Screen only Shows an 24" ...
0
votes
0answers
119 views

Multiple monitor settings not saving on reboot - Windows 7

I have a MacBook Pro running Windows 7 bootcamp. I recently got a Mini DisplayPort to VGA adapter, and it works fine on my mac partition, but when I boot up using windows it is set to the "mirrored" ...
0
votes
0answers
137 views

How do I wake up a closed Macbook reliably?

I have a Macbook Pro (Retina), and a Samsung DisplayPort display, both new. They work great together, when I can get them to work. For example, if I plug in the monitor, and then open the Macbook's ...
0
votes
0answers
186 views

Same monitor different resolution with Thunderbolt and Displayport

I have a Late 2012 Mac Mini with Intel HD Graphics 4000 connected to a LG 34UM95 monitor that has a resolution of 3440x1440. The monitor has both Thunderbolt and Displayport connections. When the ...
0
votes
0answers
172 views

Using LG Ultrawide 29" with Macbook Pro Late 2011 using mini displayport to dual link dvi adapter

I recently purchased a LG 29" Ultrawide and trying to connect with MBP late 2011. It works fine with 1960 res using HDMI cable but when I use mini displayport to dual link dvi adapter all I see is ...
0
votes
0answers
427 views

Connecting external display to MacBook Pro with Retina display using HDMI to DisplayPort

I have a trouble connecting external monitor to my macbook pro retina. I have a monitory Nec EX231W with a DVI and DisplayPort input ports. So, I bought an DisplayPort to HDMI cable and connected it, ...
0
votes
0answers
103 views

Official 0.5m Thundebolt cable and Dell Mini DP monitor

When moving I somehow lost the Mini-DP to DP cable that came with my Dell U2413 display (and which enables me to use my display just fine). This display features a raft of input ports; DVI, DP, ...
0
votes
0answers
827 views

Use late 2009 iMac as external display for 2013 MacBook Air

I would like to use my late 2009 "27 iMac as an external display for my 13" 2013 MacBook Air. I've searched the internet and found this thread (and it's sources) that suggests that it is possible to ...
0
votes
0answers
966 views

MacBook won't detect displays unless I “detect displays” manually from System Prferences

My MacBook drives my external DVI monitor (over mini display port, using Apple's adapter) just fine, but it fails to detect changes in the display configuration and doesn't react accordingly unless I ...