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

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3
votes
3answers
1k views

Adjusting brightness on 27" iMac used as external DisplayPort monitor for PC

I have a Windows7 64-bit machine attached to a 27" iMac as an external displayport monitor It's working well, except I cannot adjust the brightness. I have attached a Mac keyboard both on the Mac ...
2
votes
1answer
1k 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 ...
3
votes
4answers
5k views

Can a MacBook Air support 2560x1600 output via HDMI using a Mini DisplayPort/Thunderbolt to HMDI adaptor?

The HDMI 1.3 spec can carry signals with resolutions as high as 2560 x 1600 pixels. Is it possible to output this high a resolution signal from a MacBook Air using a Mini DisplayPort/Thunderbolt to ...
2
votes
2answers
1k views

2013 Macbook Air not showing 1440p Option on External Display

I have a mid 2013 Macbook Air with the Intel HD 5000 graphics chip. I recently purchased a 27" Acer K272HULbmiidp 1440p (2560x1440) monitor that just arrived today. I connected it via a mini ...
0
votes
3answers
3k views

MacBook Air 2012 Mini DisplayPort not working with HDTV

I'm trying to connect my 2012 11" MacBook Air to my Panasonic p60st60 1080p plasma HDTV using a new Monoprice Mini DisplayPort to HDMI adapter & 6' HDMI cable. My TV displays a "No signal" ...
0
votes
3answers
25k views

Troubleshooting HDMI connection between MBP and Sony Bravia TV

I'm trying to connect my MacBook Pro (late 2011) running Mavericks to my Sony Bravia television like so: MBP thunderbolt port -> Mini DisplayPort cable -> HDMI cable -> TV HDMI 1 port. However, I'm ...
0
votes
2answers
31 views

Durability of HDMI versus Mini DisplayPort socket

I want to connect second display to my 13 inch MacBook pro, which will be connected and disconnected 2 times a day on average. Is it better to use HDMI or Mini DisplayPort as far as durability of the ...
1
vote
1answer
141 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 ...
0
votes
0answers
784 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 ...
2
votes
1answer
22 views

Yosemite randomly switches audio output to displayport

Ever since upgrading from Mavericks to Yosemite I'm experiencing this annoying bug, where OSX switched the default audio output to external display connected via DisplayPort. This display has no ...
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 ...
0
votes
0answers
41 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
30 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
25 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 ...
2
votes
3answers
2k views

Daisy chain of two Dell U2414H to Macbook Pro Retina 13''

My MacBook Pro have only two thunderbolt ports. My new external monitors are Dell U2414H connected to MacBook Pro using Display Port to Mini Display Port cable each one. In this situation I'm unable ...
0
votes
1answer
42 views

Connect from Macbook Air 2012 (thunderbolt port) to dell monitor (displayport)

I just bought this Dell UltraSharp U2312HM monitor to use as an external monitor of my Macbook Air 2012 model. And, I'm looking for a cable that will connect from thunderbolt port (mini displayport) ...
1
vote
1answer
100 views

Belkin Thunderbolt 2 Express Dock HD dual monitor setup

I have the Thunderbolt 2 Express Dock HD (Model no. F4U085) and I have a question to ask. The dock is attached to a Macbook Pro and everything works fine (audio, ethernet, USB devices etc). However, I ...
1
vote
1answer
187 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
0answers
112 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
2answers
373 views

rMBP 2015 doesn't recognise Dell P2715Q over DisplayPort

I recently purchased both a Dell P2715Q 27" 4K monitor and a 13" 2015 rMBP. The monitor is not recognized when I plug the laptop into the monitor via the monitor's provided DP cable (into either ...
0
votes
0answers
123 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 ...
1
vote
2answers
3k views

Driving a 4K display at 60Hz with rMBP

I've been Googling so much my eyes hurt. I have a 2014 rMBP. I want to use it with a 4K display or UHD TV at 60Hz that's at least 30" big. From my research, this means either using something with a ...
0
votes
1answer
150 views

Fonts on external display (4k TV) look awful, sub pixel font smoothing gone haywire?

I have an LG 42UB820V 4K IPS TV - 3840 x 2160 @ 60hz which I connected via an active mini display port to HDMI converter to use with my Mac Mini (HD4000) at 3840 x 2160 @ 30hz. Everything works fine ...
1
vote
0answers
56 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
votes
1answer
94 views

how to connect 3 dell non-thunderbolt displays to a 2014 15" macbook pro

so i have three 'standard' 24" Dell displays (1920x1280 resolution). they have hdmi, display port (normal) and vga. i would like to connect all three of them to my new macbook pro 15". i think i ...
1
vote
3answers
6k views

Daisy Chain 2 Dell monitors to MacBook Air (mid 2011)

I have a mid-2011 MacBook Air and 2 Dell monitors. A 30 inch (U3014) and a 27 inch (U2711). I connect a mini DisplayPort to DisplayPort cable from the Air to the 30 inch monitor, and a DisplayPort to ...
1
vote
1answer
69 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: ...
2
votes
2answers
9k views

Macbook Pro will no longer detect external display

My MBP will no longer detect external displays. It was working fine a few hours ago at work, I got home and plugged in the external display as usual and turned on the machine and nothing. Using the ...
11
votes
5answers
10k views

External monitor stopped working after 10.9.2 update

I've been using a Dell U2713H display for about a year with a mini-display port to display port cable. However, after installing the 10.9.2 update, the monitor is going into sleep mode when connected ...
1
vote
3answers
5k views

2011 MacBook Pro monitor as a 2nd display for Windows 7 (Display port) laptop

How can I use my 2011 MacBook Pro monitor as a 2nd display for my Windows 7 Lenovo Laptop (Display port)?
0
votes
1answer
97 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
4answers
4k views

Connecting Macbook Air 2011 to HP LP2475w monitor.. use DVI, HDMI or Display Port?

The HP LP2475w supports all of the following inputs: DVI-I, HDMI, DisplayPort, Component Video, S-Video, and Composite Video Which one is the preferred to connect the Macbook Air's mini-display ...
4
votes
1answer
3k views

Macbook Pro limits resolution of Samsung U28D590D to 1920x1080

I use a MacBook Pro late 2011 and I recently bought a Samsung Screen U28D590D 28" which could, normally, bring me a resolution of 2560x1440 with DisplayPort. But, my screen recognizes my MBP only ...
2
votes
2answers
134 views

Multiple non-thunderbolt monitors to MBP-r '12

Does anyone know if it's only possible to add 3 external monitors if at least one of these is a thunderbolt display? I'm asking since I would love to hook up 3 Dell monitors to my macbook at work. ...
0
votes
0answers
121 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 ...
3
votes
1answer
1k views

How do I troubleshoot a lockup that occurs when plugging in an external monitor?

Since installing Lion, nearly every time I plug my 13" MacBook Air into my 27" Dell display, the Mac locks up. (The mouse pointer stops moving.) I can't do anything except shut it down and reboot. ...
0
votes
1answer
275 views

LG 31MU97-B monitor support on rMBP 15"

I want to buy LG 31MU97-B as a new external monitor for my Macbook Pro Retina 15" late 2013 with Intel Iris Pro only. But this monitor has real 4k resolution of 4096 x 2160! Can i get this resoluton ...
1
vote
0answers
619 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
1answer
97 views

Display Port to Thunderbolt Display

I have a graphics card that has a standard sized display port(DP). If I purchase a male-to-male display port to mini-display port, will I be able to connect my 27" Thunderbolt display to my PC?
0
votes
1answer
757 views

Display on an HP 23fi monitor with a MacBook Pro

I've recently started using a Mac. I've been on Debian + Thinkpads exclusively till now. I have an HP Pavillion 23fi monitor which I've been using with my old Thinkpad X201 via the VGA port. It ...
2
votes
1answer
3k views

Yosemite 10.10.2 no longer detecting external display on 2014 macbook air

I have an Apple mini displayport to VGA adapter connected to an older Samsung SyncMaster 906BW. First time I plugged it in everything was working just fine extending my desktop as expected. Yosemite ...
1
vote
2answers
854 views

Connect 2 monitors to Macbook Pro 2012

I own a 2012 Macbook Pro with Core i7, 1GB Nvidia Graphics, 8GB RAM and 1 TB HDD. I want to connect 2 external monitors to it using the thunderbolt port because thats the only port I have. It doesn't ...
1
vote
1answer
492 views

Two monitors using Elgato dock and a thunderbolt device

I'm using an Elgato Thunderbolt 2 Dock which has a second Thunderbolt port and a seperate HDMI port. I have an HDMI display connected to the HDMI port and a LaCie HDD connected to the second ...
1
vote
0answers
92 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
57 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 ...
6
votes
6answers
44k views

What's the max resolution for mini DisplayPort connected to a 2013 MacBook Air?

I've got a new 2013 MacBook Air 13", with Intel HD Graphics 5000, and it came with a Mini DisplayPort to VGA adapter within the box. A mini DisplayPort to DVI adapter is also available from Apple. An ...
0
votes
0answers
219 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
106 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
133 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 ...
1
vote
1answer
550 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)?