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

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13 views

Using a MiniDisplayPort to Dual-Link DVI adapter on Macbook Pro mid 2012 allows only 1080p (and not 2560x1440)

I have a the following setup: MacBook Pro (13-inch, Mid 2012) running El Capitan (10.11.5), connected to a Mini DisplayPort to Dual-Link DVI Adapter, which uses a Dual-DVI-to-HDMI cable to connect to ...
3
votes
1answer
28 views

How do I connect my Mid-2010 iMac to my Late 2015 Macbook Pro

I mistook the mini Display Port (mDP) behind my iMac to mean it was a Thunderbolt port. The ⌘ Command F2 does not work when both ends are Thunderbolt for my setup. Please suggest what cables to buy. ...
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0answers
13 views

MBR 15, external monitor, screen is blinking and sometimes no signal (DP)

I am using two external monitors, both are same kind, Asus PA248Q Pro Art. They are only 1920*1200 (16:10). This mid 2015 model of MBR should support two(!) 4K monitors, so there should not be problem ...
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0answers
29 views

Early 2015 Retina Macbook Pro not recognizing/working with some external displays

I have an Early 2015 Retina Macbook Pro 2.7 GHz i5, and it does not work with certain displays. I first tested it with a display(call it display A) Mini Display Port to DVI cable which did not work. ...
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1answer
16 views

Two WQHD external monitors

Is it possible to run two external monitors with WQHD resolution (2560 x 1440) with a Mac mini or with a MacBook Pro via DisplayPort? According to Apple website the Mac mini is capable of handling ...
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0answers
24 views

4K Scaling Issues on Display Port but HDMI Working Fine?

I have a 2012 Macbook Pro Retina with an external Samsung 4K monitor. When I hook the monitor up via Display Port to Thunderbolt I get a few resolution options. However no matter which one I pick its ...
0
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1answer
17 views

Windows repositioned to macbook screen after sleep

I have a MacBook Pro (Retina, 15-inch, Mid 2015, OS X El Capitan, 10.11.5) with Intel Iris Pro 1536 MB connected to an external monitor: Samsung SE790C: Resolution: 3440 x 1440 @ 60 Hz Pixel Depth: ...
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0answers
33 views

Substituting not working USB ports in Macbook Pro

I have this Macbook Pro 2011. Both USB ports do not recognize any devices (yes, I have tried many fixes). However, USB is neccessery for me. So I am wondering, is there any workaround that could ...
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2answers
68 views

HDMI to DisplayPort Not Working

I have a Macbook Pro and a QHD BenQ monitor here. Should it be supported to connect these two devices using a HDMI to DisplayPort cable (So HDMI on Macbook DisplayPort on monitor)? For me it just ...
1
vote
1answer
29 views

Can I drive two Cinema 30" displays from a MacBook Pro (Retina)?

I've used a "Mini DisplayPort to Dual-Link DVI Adapter" to drive a single Cinema 30 from my (2014-era) MacBookPro11,2 before. Can I hook up two of them to drive a pair of Cinema 30's? It's got 2 ...
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0answers
16 views

Macbook Pro display distorted when outputting to external monitor

I have a Macbook Pro (Mid 2012) and a Dell U2715Q Monitor connected via mDP to mDP. Things were going well(able to display on both monitors) until I started messing with some display options(mirror on/...
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0answers
55 views

Can my 13" Retina MacBook Pro Late 2012 output 2560x1440 at 60hz?

I'm planning on buying this monitor, its resolution is 2560x1440@60hz. I have a Late 2012 13" MacBook Pro Retina. Will mini-displayport to Displayport output the full 2560x1440@60hz?
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0answers
33 views

How to reach full resolution potential with MacBook Pro 2012?

I have a MacBook Pro (13-inch, Mid 2012) running OS X El Capitan version 10.11.4. I am attempting to use an external display with my Dell U2715Q (has 4k capabilities). I purchased an AmazonBasics ...
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0answers
21 views

iPad/Mac all-purpose adapter kit

I've been tasked with putting together an all-purpose presentation kit for several of our conference rooms; one that can handle mutliple configurations from iPads and Mac books. We have a quasi-bring-...
3
votes
3answers
45 views

Can a 21.5 inch iMac (non-Retina late 2015 - 2.8 Ghz, Intel Iris Pro graphics, model 16,2) drive two external displays?

I'm currently running a Dell U2715H at its native resolution (2560 x 1440) via DisplayPort as an external display, and I'd like to add another at that same resolution. The Apple specs on this model ...
1
vote
1answer
102 views

Using an iMac 27" as an external monitor for a PC

I have a Dell computer running Windows 10 and it have 3x DisplayPort and 1x vga outputs. I want to connect my iMac Core i5 27-Inch (Late 2013) as an external monitor to the dell pc. Can I buy a Mini ...
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1answer
41 views

How to turn off an external display without disconnecting?

I have a workplace setup for my Macbook Pro 15" (2011) that is actually two workplaces. One is the Macbook itself, for sitting. The second, right next to it, is a standing desk with an external ...
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2answers
71 views

On El Capitan, is it possible to display picture just on an external monitor, and not on the laptop's screen?

On El Capitan, is it possible to display picture just on an external monitor, and not on the laptop's screen? I want to close my laptop and use it as a desktop, and I have every other piece of ...
0
votes
2answers
96 views

Can't achieve a higher than 1920x1080 on AOC U3477Pqu, powered by late 2011 Macbook pro…?

My late 2011 Macbook pro comes with an AMD Radeon HD 6750M 512 MB graphics card and Apple state it: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 ...
0
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0answers
19 views

How to display non-DV video signal with Firewire input?

Is there any way to get the video signal output from a Displayport (mDP) or Thunderbolt (1 / 2) socket into a Firewire (FW800, IEEE 1394) input? What cables, adapters and drivers or other software ...
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1answer
36 views

MacBookAir 2014 MiniDP to DP 2560x1440

Does anyone know if I can use the full resolution 2560x1440 of this DELL U2711 http://www.amazon.com/Dell-UltraSharp-U2711-27-inch-Widescreen/dp/B0039648BO With MacBookAir early 2014, using ...
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0answers
23 views

Mini Displayport to daisy chain external displays

I have a 2008-ish? iMac, not sure it's been a while, and am not looking to upgrade as it's treated me right. However its an iMac 8,1 not sure of the EMC #, I'm sure is irrelevant to the post, but what ...
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0answers
131 views

Resolution problem on external display with Thunderbolt->HDMI adapter

Let me explain problem in quick bullets: What I want: I would like to use ultra wide external display with 3440x1440@50hz resolution with my MacBook Pro (Retina, Mid 2012). I would like to use my ...
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0answers
66 views

1920x1200 resolution not available via mDP<->VGA<->DVI link

I have Mid-2010 13" MacBook Pro with Mini DisplayPort and just got 1920x1200 external monitor which, unfortunately, has only DVI inputs. I couldn't find mDP - DVI adapters anywhere near, so I have to ...
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1answer
68 views

2 External monitors on 21,5 iMac Late 2009?

So I wonder if I can use 2 external monitors on my Late 2009 21,5 iMac? I currently use 1 external monitor and it works great but I now want to sell it and use 2 external monitors but there is only ...
0
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1answer
58 views

Why are two identical external monitors displaying at different resolutions?

I have a MacBook Pro (Retina, Md 2012) running OS X El Capitan 10.11.3. I purchased 1x DisplayPort to VGA and 1x DisplayPort to DVI. I plugged these two into the 2x DisplayPorts on the MacBook ...
1
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1answer
221 views

Charge MacBook 12" while connected with Google's USB-C to DisplayPort cable

I have a MacBook 12" that I connect to my Dell 4K screen with a Google USB-C to DisplayPort cable (this one) It works perfect. But now I am not able to charge the MacBook while connected because the ...
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0answers
56 views

Monitor connected via Display Port is not recognized correctly

I connected my DELL U2711 via Displayport to Mini Displayport to my MacBook Pro Retina (OSX 10.11.2) It recognized the monitor as a TV and does not show anything. I tried also using an adapter to DVI. ...
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0answers
143 views

HP monitor not working via Thunderbolt port to HDMI

I have two identical HP 27vx monitors and a Mac mini. All were new in December 2015. One monitor works fine via HDMI and the Mac mini, but the second one will not work with a Thunderbolt to HDMI ...
0
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1answer
115 views

Dell monitor does not run on native resolution of 1600x900 pixel when connected to early macbook pro retina 2015 via thunderbolt

just a few hours ago I got 2 dell E2015HV monitors, they are VGA monitors with a native resolution of 1600x900 pixel and since the macbook pro retina does not have any VGA ports I'm using two VGA to ...
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0answers
240 views

OSX 10.11.3 external monitor does not work (mini displayport to DVI)

I've just done a clean install of OSX 10.11.3 on my macbook air (mid 2012). My external monitor does not work anymore (mini displayport - DVI original adapter) Things I've try: - Reset SMC/PRAM ...
0
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1answer
128 views

What non-Apple external monitors are currently recognized as 2 pixels per point?

I was thinking about getting a Dell 4k or perhaps a 2560x1440 display, but then I realized that not all non-Apple displays are recognized as 2 pixels per point even though the ppi is high enough. Is ...
1
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1answer
112 views

Thunderbolt vs DisplayPort

I have a Mid 2015 15" Retina MBP and two external 4k monitors. Both monitors work when plugged into the HDMI port, but I can't get the second monitor to work via the display port, and need clarity. I ...
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0answers
107 views

Macbook Pro 13 Late 2013, BenQ GW2765HT, and Displayport cable

I recently purchased BenQ GW2765HT to connect my 13 inch rMBP via mini DP to Displayport. After around 1 week of use, the displayport connection is flaky to get properly recognized. Sometimes it ...
1
vote
1answer
95 views

2009 iMac as 2nd Monitor – Can't adjust brightness

I am trying to use my 2009 iMac 27" as a second display for my 2013 MBPr 15" (both running El Capitan). I have connected the two with a thunderbolt cable and everything is working fine except one ...
1
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0answers
77 views

Font smoothing not working on Mac Mini

I purchased a new Mac Mini and have attempted to hook it up to my ASUS VS278Q-P LCD Monitor. I was using this monitor in Windows and it looked fine but on the mac mini, it's having a problem where the ...
0
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0answers
51 views

Can a faulty HDMI cable damage macbook

I tried to connect my rMBP mid-2014 to a TV through an HDMI cable. I first plugged the cable to the TV. when plugging the other end of the cable to the HDMI port on the macbook, I heard some crackling ...
2
votes
4answers
4k views

My external monitor doesn't work at full resolution with my MacBook

I've got a MacBook Pro (Early 2015, OS 10.11.2) and I've also got a Dell 2209WAf monitor, which I'm using with a VGA cable and this adaptor. The monitor's optimum resolution is 1680x1050 @ 60Hz and ...
0
votes
1answer
391 views

Dell P2715Q Needs “Detect Displays” after MBPR 15" goes to sleep

So I have my new Dell P2715Q connected to a Thunderbolt port on my MacBook Pro Retina 15" Mid-2015 using the supplied DisplayPort cable, in SST mode. When I plugged it in the first time, it worked ...
0
votes
1answer
20 views

Looking for an external monitor for my late 2008 aluminium macbook

I have the above laptop and thinking of getting a new, larger monitor to go with it. I have already reviewed other threads here and elsewhere, but there are a few things I am not clear about... The ...
-1
votes
1answer
64 views

MBA & VGA monitor, using strange reduction Thunderbolt-HDMI-DVI-VGA

I have latest Macbook Air and I want try to use VGA monitor. I don't have MiniDisplayPort to VGA reduction, but this: I know that DVI-VGA worked fine on with my old PC, so I don't understand, why ...
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1answer
439 views

Signal Problems between 2015 Macbook Pro and Dell 4K P2415Q Monitor

I just bought a P2415Q Monitor and connected it to my 2015 Macbook Pro with the DisplayPort to thunderbolt cable that was included with the monitor. It seemed ok at first, but after the first time the ...
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0answers
28 views

MacBook Pro shows only pointer when external screen is turned on

I'm using my MacBook Pro (Retina, Mid 2012) in an office environment connected to an external screen (Fujitsu P27T-6 IPS) using the Thunderbolt port. The lid is closed, so it should be in clamshell ...
0
votes
0answers
192 views

External monitor does not display in full screen

I've connected my external monitor (Dell 2240L 21.5") to my Macbook Air running OS X Yosemite through a mini-display port to VGA convertor. The problem is that the external monitor does not renders ...
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0answers
79 views

Apple Support Communities / Notebooks / MacBook Pro Dell VGA rippling effect

So I just bought a Macbook Pro early 2015 13 inch with these specs: Processor: 3,1 GHz Intel Core i7 Memory: 16 GB 1867 MHz DDR3 Graphics: Intel Iris Graphics 6100 1536 MB I just got everything set ...
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0answers
18 views

Why do different resolutions with same aspect ratio distort the image on external display?

I attach my MBP (OS X 10.10.4) via VGA to my tv and the aspect ratio is correct when setting an 1360x786 resolution, which is a 1.77 aspect ratio. But when trying to increase the resolution to ...
1
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1answer
190 views

Can a late 2013 Mac Pro (cylinder) support dual 5K displays?

I know the late 2013 Mac Pro can support the Dell 5K monitor, using two DisplayPort cables from the Mac to the monitor. Can the Mac Pro support two 5K monitors simultaneously (using four cables total)...
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0answers
129 views

How can a Mac mini drive 3440 pixels wide display instead of 1920?

I've bought a new 21:9 IPS screen with a native resolution of 3440x1440px. The display has only two inputs: 1x DisplayPort which is connected to a workstation and 1x HDMI port which should go to my ...
1
vote
1answer
78 views

Switching “primary” imac in Target Display Mode

I work in an office with a bunch of old iMacs sitting around. I thought I'd get clever and strap a few together to make a couple extra workstations. The goal has been to pair a 27" mid 2010 with a 21....
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0answers
90 views

MBP 13'' 2012: DisplayPort: 2560x1440 fails, but supported by machine, working on Boot Camp

I recently purchased a Dell U2515H monitor. I want to use it with my MacBook Pro 13'' 2012, non-Retina, 2.5GHz. According to the tech specs, this MacBook can drive a single 2560x1600 pixel display (...