High speed multifunction port (interface) designed by Intel and first manufactured on a shipping product by Apple. Thunderbolt was developed under the name Light Peak and combines PCI Express with Display Port over one serial connection.

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9 views

Multiple Apple Thunderbolt display on Macbook Pro with Bootcamp

I have a Late 2013 Mac-book Pro with NVIDIA GeForce GT 750M and just added second 27" Apple Thunderbolt display. it doesn't work on Windows10 through Bootcamp6 it works on MacOSX it works with 2 ...
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14 views

Monitor flickers when connecting MacBook Pro to monitor using Thunderbolt to VGA connector

My monitor flickers when I connect my MacBook Pro to a monitor using Thunderbolt to VGA connector. I have a Nov 2011 MacBook Pro. There was no flickering until I updated my OS to El Capitan. Could ...
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12 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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46 views

Will an external USB 3.0 hard drive connected to an Elgato Thunderbolt 2 Dock run at USB 3.0 speeds even though the Macbook Pro is USB 2.0 only?

I have an older Macbook Pro (8,2 - Late 2011). It doesn't have a usb 3.0 port, only USB 2.0 ports. I have an Elgato Thunderbolt 2 Dock with a WD External HD, USB 3.0. I was expecting to see USB 3.0 ...
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1answer
44 views

MacBook Pro with Dual Monitors

I have a MacBook Pro 2011, i7, 8 GB RAM, Apple SSD, but I don't know if the display is Retina or not. I also got two monitors. I am using a Thunderbolt cable to connect the first Monitor. Can you ...
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1answer
46 views

Ethernet Adapter Windows Driver - how to find for BCM5701

I am having troubles with finding driver for my Apple Thunderbolt to Gigabit Ethernet Adapter. I checked the version and I have a BCM5701 chip. These Broadcom drivers don't support my adapter. I ...
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1answer
21 views

Running 3 External monitors from a Macbook Pro Retina 13" Mid 2014

I currently own a Macbook pro (Retina 13",mid 2014) 2.6GHz Intel Core i5 8GB 1600 Mhz DDR3 Intel Iris 1536 mb 3 x 22" Samsung Monitors. 2 of them running through Thunderbolt to DVI-D adapter. The 3 ...
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5 views

Audio latency when using Multi-Output Device, connected in Target Display Mode

I've hooked up my Retina MacBook Pro to my iMac via Target Display Mode via a Thunderbolt cable. I would like to play audio on both computers' speakers. I have set up a Multi-Output device in Audio ...
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15 views

Apple Cinema Display (old 30" model) switch

This might be a difficult one. Currently I'm using my old Apple Cinema Display (30 inch) with Mini DisplayPort-to-dual-link-DVI-adapter to my Macbook Pro (15" 2015 model). Sometimes I want to switch ...
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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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34 views

Thunderbolt Drive issues with iMac Late 2015 OS X 10.11.4

I have two thunderbolt drives attached to my iMac Late 2015 OS X 10.11.4. I am using Mountain to mount/unmount drives. When I unmount the a drive it continues to spin, until I turn the drive off by ...
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1answer
26 views

How can I determine the maximum supported resolution on a given Macbook?

I recall that Macbooks produced in 2009-2011 supported a maximum external resolution (through Thunderbolt or DVI) of 2560x1600. An aspect ratio of 16:10 is much more useful for those who use their ...
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1answer
28 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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1answer
170 views

How to fix Thunderbolt Ethernet slower than wifi Macbook Pro?

I recently bought a gigabit Thunderbolt to Ethernet adapter so I could have faster Internet. I plugged the cable into my Internet modem, and the other end into my adapter. I plugged the adapter into ...
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1answer
28 views

Mac — HDMI to USB/Thunderbolt

I know there are small USB boxes which are able to pass through image from HDMI (and record it) to computer. Is there something similar which would enable me to see stuff from HDMI on my Mac? Why: I ...
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1answer
87 views

External GPU on MacBook Pro (Mid 2012)

I am starting to learn Cuda programming for scientific computing (in particular computational quantum chemistry) and I would like to test my programs on a decent Cuda-enabled GPU. The Intel HD ...
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3answers
44 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 ...
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1answer
98 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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0answers
38 views

Adobe Premiere Pro: Audio/Playback Issues using USB Audio Codec

For several weeks I've been having incredibly annoying audio issues when using the "USB Audio CODEC" output in Premiere (latest version). I am on a Retina Macbook Pro, with a Thunderbolt cable going ...
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1answer
161 views

Will there be a USB-C to thunderbolt 2 adaptor? I only need data transfer to be higher then USB 3.0

Right now USB C ports are just arriving in laptops and I unfortunately dedicated to go with a cheaper laptop (pc) but with thunderbolt-2. The thing I don't like about thunderbolt 2 products is the ...
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0answers
13 views

Why could MBP be making slow churn after RAM update?

I recently upgraded my MBP Early 2011, 2.7 GHz Intel Core i7, RAM from 4GB to 8GB. I'm running Yosemite, so I figured this was a good decision. I've noticed that my MBP now is louder than it used to ...
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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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2answers
226 views

Can one buy an Ethernet and HDMI Thunderbolt adapter?

I need both of them and I am wondering if it is possible to buy them together or if I have to get two separate items? Also I am seeing a lot of third party Thunderbolt>HDMI adapters for cheap and ...
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18 views

Some Applications Muted on Mac when External Displays Connected

For some reason, whenever I plug in my external displays to my MacBook Pro (Retina, 15-inch, Mid 2014), certain applications seem to mute themselves. My audio output is set on Internal Speakers. One ...
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29 views

Finder unresponsive and hanging in Yosemite 10.10.5 with Promise Pegasus R4 (RAID 5 12TB)

I have a bizarre issue, I'm trying to rip into a project and I am halted by Finder in Yosemite. Finder frequently freezes, as in beach ball hour, when I open a clip in a Finder, the Get Info window, ...
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2answers
171 views

Why is Target Display Mode via Thunderbolt so unreliable for me?

I frequently want to display my MacBook Pro 15" Retina with my iMac Mid-2011, in Target Display Mode via a Thunderbolt cable. TDM often fails on first attempt and just shows a black screen on the ...
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34 views

Why is my Thunderbolt Ethernet connection so slow?

I have a Thunderbolt Ethernet connection from my 2015 MacBook Pro Retina (El Capitan) to 1 GBit Switch and from there to a storage device. It is extremely slow in data transfer (something like 2 GByte/...
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1answer
34 views

Particular websites blocked when using Internet Sharing

I have the following setup. I have a Macbook Pro with an external monitor plugged into it via HDMI. I then have another external monitor plugged into the Macbook Pro via a Thunderbolt to DVI adapter. ...
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0answers
126 views

Apple Thunderbolt Display randomly goes black throughout the day

My Mac is connected to two Apple Thunderbolt Displays. The first monitor works without flaw. The second however will randomly turn off its screen 3 to 4 times a day. A quick but annoying fix is to un-...
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21 views

Is it possible to connect two external monitors with two thunderbolt to DVI convertors?

I read about the limitation for older models but I have a Macbook Pro Late 2015 and I would like to connect two different monitors in the same laptop. Both of my monitors have DVI ports and my ...
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127 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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1answer
66 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 ...
3
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1answer
278 views

Ethernet not working on MacBook pro retina 13

My Ethernet connection is not working on my computer (mid 2015). I already rebooted, deleting the files "NetworkInterfaces.plist" and "preferences.plist" into the folder "/Library/Preferences/...
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2answers
376 views

How can I troubleshoot or reset a Thunderbolt Ethernet adapter?

It appears my Thunderbolt Ethernet connector has stopped connecting to my router for good today. Over the last few days I had already seen my ethernet connection "crash" multiple times. My machine ...
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2answers
28 views

Can MBP 13 mid 2012 send audio and video through thunderbolt to HDMI?

I own this model: https://support.apple.com/kb/sp649?locale=en_US And I have an adapter thunderbolt to HDMI that works wonderfully with video, but no audio. Does someone has any advice on a product ...
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1answer
57 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 ...
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1answer
29 views

Maximum external monitors supported by A1418?

I have an A1418, Late 2012 version and I'm having trouble locking down an answer to how many external monitors it can support. Right now I have the iMac and two external monitors via the two ...
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0answers
55 views

IOThunderboltSwitch Listener Callback

I have read a previous reply to a question regarding IO ThunderBoltSwitch Listener Callback. Is there a chance this could be a backdoor attempt to access my computer. I opened a URL on an email post ...
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1answer
73 views

How to tether a 2014 MacBook Pro 15" Retina to two Dell Ultra HD 4k 27-Inch Screen LED-Lit Monitors (P2715Q)?

I've attempted to connect my 2014 MacBook Pro 15" Retina laptop to two, 27" Dell Ultra HD 4k screens via OWC Thunderbolt 2 Dock, however, I was only able to tether one Dell screen instead of two; I've ...
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0answers
31 views

3xHDMI out of a single Thunderbolt port - 2015 MBP

I'm planning on purchasing 3 HDMI monitors to use as a workstation for my MBP. For the sake of ease and convenience, instead of using the native HDMI + 2 mini DP to HDMI adapters, is there any way to ...
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1answer
82 views

Can I use my 2011 iMac as a Thunderbolt display for my PC?

I have an 2011 27" iMac, it has two Thunderbolt ports. I also have an Asus Z87 Deluxe Quad motherboard which has two Thunderbolt ports. I recently got a Thunderbolt to Thunderbolt cable from Apple. ...
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0answers
18 views

Is there a way to have the (automatically adjust) brightness of two thunderbolt displays connected to each other in sync

I have a MacBook Pro Retina with two Thunderbolt Displays connected to it in Daisy Chain mode. Both displays have the Automatically adjust brightness setting on, and the MacBook is closed. Is there a ...
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1answer
113 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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1answer
156 views

Searching through a whole lot of PDFs on an external disk

I do have one Tera of Texts (mostly PDF) which is really really much (something like 100'000 documents). They are on an external USB3 and, of course, spotlight-indexed. When I look by text search (...
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1answer
414 views

Which adapter to get in order to use Dell U2515H with Thunderbolt port?

I have MacBook Pro (late 2013) and I'm considering getting Dell U2515H QHD monitor. The MBP has two Thunderbolt ports. The monitor supports DisplayPort and DisplayPort 1.2. Which adapter I need to ...
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1answer
126 views

MacBook Pro Retina 15 connecting a 4k monitor

Just got a new MacBook Pro 15 Retina (mid 15). I have an Acer 4k-monitor which I'm looking to connect to the MacBook but I can't figure out how. The Apple website and FAQ's weren't helpful. I want ...
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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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385 views

Reinstall Thunderbolt Firmware on a 27" iMac Late-2012

I have a consistent issue with the "Thunderbolt Firmware Update 1.2" showing up endlessly in the App Store, but more importantly, after installing it earlier today, my Thunderbolt ports no longer work....
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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 ...
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1answer
53 views

Only display on Thunderbolt works. Camera, audio and USB ports do not

Very similar problem as this question, only the display itself is working on the thunderbolt monitor (I only have one, unlike the linked question which had two) with a MacBook Pro (Retina, 15-inch, ...