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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13
votes
4answers
5k views

CPU usage is too high with Yosemite and an external monitor

I use Yosemite 10.10.4 on my MacBook Pro (2012). I used to work with an external monitor: Apple Thunderbolt 27" monitor. The issue is that, according to Activity Monitor, the kernel_task process ...
6
votes
7answers
12k views

Connecting a displayport monitor to my Mac Mini (late 2012) using the Thunderbolt port what is the max resolution?

I have a 27" ASUS PB278Q display equipped with a display port, the monitor has a resolution of 2560x1440. If I connect to my thunderbolt port using a mini displayport to displayport cable will it ...
6
votes
5answers
35k views

Can two external displays be driven from one Thunderbolt port?

I have the new MacBook Air which only has a Thunderbolt output (no HDMI or DVI) and I have 2 external monitors. How can I get this all hooked up (at the lowest cost, if possible)? EDIT: After using ...
0
votes
0answers
12 views

After system wake, Thunderbolt monitor underscans

Starting recently (but not aligned in my memory to any particular Software Update), when my MacBook Pro 13" Retina (late 2015) wakes from sleep with the external monitor connected (whether sleep was ...
0
votes
0answers
9 views

LG Monitor not working with MiniDP input when Macbook Pro is in clamshell mode

After three days I'm throwing in the towel on this one. Have an LG 27MB85R-B Monitor. Macbook Pro circa 2013. I first used an HDMI cable which worked fine, but I kept getting the Change Resolution ...
1
vote
1answer
219 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-...
2
votes
1answer
2k views

Can a PC with Thunderbolt use 2011 iMac in target display mode?

I just purchased Lenovo T430s laptop with Thunderbolt and I'm wondering if I should be able to use my 27" 2011 iMac with Thunderbolt as an external display using target display mode. So far, no luck. ...
0
votes
0answers
21 views

Thunderbolt to USB 3.1 Type-C Generation 2 (10 Gbps) adapter, dock or hub?

Is there a Thunderbolt to USB 3.1 Type-C Generation 2 (10 Gbps) adapter, dock or hub? It is to connect a Mac mini with Thunderbolt port to USB 3.1 Gen 2 SSD to get full speed (10 Gbps). Thanks.
0
votes
0answers
9 views

How to recognize compatibility with Thunderbolt 2 to VGA adapters in retina Iris 6100 MBP

Since the retina MBP models - at least mine: Early 2015, 13" rMBP Iris 6100 - either thunderbolt ports or the Intel graphics don't necessarily recognize miniDisplay port adapters or output correct ...
0
votes
1answer
2k views

How to fix the static screen on external monitor?

I have a macbook air and this is what essentially happens: I connect external monitor using thunderbolt to DVI converter The monitor works correctly I lock screen, monitor goes blank When I log back ...
3
votes
2answers
10k 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
13 views

Use Sugru for fraying lightning adapter on a Thunderbolt Display?

I have a 27-inch Thunderbolt display and the thunderbolt connector--not the magsafe power cord--is fraying on the end that plugs into the laptop. I've seen several posts about using sugru on the power ...
3
votes
2answers
6k views

Thunderbolt display firmware update 1.2 keeps reappearing, but is not compatible

I've got a problem with the Thunderbolt display firmware 1.2. My screen is not compatible, because it was purchased in 2012 and the update can not be performed. However, the update keeps reappearing ...
0
votes
1answer
4k views

How do I reset/clear my external display settings in 10.9?

I messed up the settings for the clamshell display mode on my MacBook Pro. I can't get my external display to work when I close my laptop. I can get all other modes working (standard mirroring and ...
1
vote
1answer
24 views

Keep dual screen active with MBP and iMac, after hibernation/sleep

I have an older iMac (2009) as a second monitor for a MacbookPro (2015). Both are running El Capitan. By hooking up a thunderbolt cable I can activate the second monitor feature using Cmd+F2 just fine....
3
votes
3answers
1k views

Can I switch between multiple Macs connected to an iMac with Target Display Mode?

I have a MacBook Pro that I use with a pre-Retina iMac in Target Display Mode, using Thunderbolt. I'm thinking of also getting a Mac Mini, and I want to run it in TDM on my iMac. Can I connect both ...
1
vote
2answers
317 views

Thunderbolt Daisy Chain to Non-Thunderbolt Monitor w/LG 34UM95 at end of chain

I recently purchased a LG 34UM95. I planned to use the Thunderbolt daisy-chain feature to add another non-Thunderbolt monitor (mini DP --> HDMI) as the second link of the chain. However, it doesn't ...
0
votes
0answers
45 views

Thunderbolt 3 to Thunderbolt 2

What is the best way to connect a device with a thunderbolt 3 (USB-C) port to a computer (MacBook Pro) with a thunderbolt 2 (DisplayPort) port? I understand there will not be full 40 Gbps speed. ...
0
votes
1answer
19 views

Thunderbolt monitor goes dark

I have a 2013 MacBook Pro being used with a Thunderbolt monitor. It has been working fine. But just recently, it has begun not mirroring the screen to the monitor when it is closed. I am running El ...
3
votes
5answers
911 views

Logitech wireless mouse not working with gigabit ethernet adapter plugged in?

I am seeing baffling behavior with my wireless mouse (connected via USB) and my gigabit ethernet adapter plugged in simultaneously. If my mouse is plugged in and working fine, if I plug in my gigabit ...
1
vote
1answer
29 views

Replaced the cable. Now the screen doesn't work. What could it be?

The cable that comes out of the back of my Apple Thunderbolt Display was fraying. I decided that rather than risk a short at some point, I'd preemptively replace the cable. Upon iFixit teardown photos,...
0
votes
0answers
36 views

How can I use my thunderbolt 2 hard drive on the new (usb-c) Macbook?

I want to upgrade my ageing Mac Mini to a new mac this fall (probably a new macbook pro) and I'm assuming they'll be USB-c only. I have 2 big external hard drive daisy chained that only have ...
0
votes
0answers
11 views

Is it possible to boot a PC from Macbook's Target Disk mode? [migrated]

I want to use a single laptop in all my workplaces so that I don't need to sync OS and app configurations on different machines. I want a single OS (bootcamp) everywhere. Currently I use a Thunderbolt ...
3
votes
1answer
2k views

Is there a way to use a Thunderbolt monitor with Bootcamp and not need to restart each time it's connected?

So, I'm using a brand new Mac Book Pro with Bootcamp and Windows 7 and I have at giant 27" thunderbolt display. The problem I'm having is at the office I take my laptop with me to meetings. Upon ...
0
votes
0answers
17 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 ...
1
vote
7answers
14k views

Connect 2 external Monitors with Belkin's Thunderbolt 2 Express Dock HD

I need a little help here, I have attached my MacBook Air Mid 2013, to an Belkin Thunderbolt 2 Express Dock HD. On the product page it says that one can connect two monitors. The only condition is ...
5
votes
4answers
8k views

repair an out-of-warranty Thunderbolt port

The Thunderbolt port on my trusty several-year-old MacBook Pro is failing. To connect an external display, I now have to wiggle the cable around, then pull it out a few millimeters until the contacts ...
21
votes
4answers
10k views

Does Apple support DDC/CI for 3rd party displays via Apple's Thunderbolt to DVI adapter

I had a Dell 21.5" monitor, which was previously connected to a Windows PC via its DVI port, which has no problem with DDC/CI which allowed me to control brightness and Contrast of the attached ...
1
vote
2answers
2k views

Connecting Two Thunderbolt Displays to a Single MacBook Pro

I'm looking to connect two Thunderbolt displays to a single MacBook Pro. I've seen another thread here which mentioned hubs and display ports, but it seems this can be accomplished natively with the ...
0
votes
0answers
22 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
59 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 ...
1
vote
1answer
57 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 ...
5
votes
5answers
15k 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
2answers
151 views

Why won't my Mac Mini with boot camp Windows 7 boot if I plug in a thunderbolt disk drive

I have been using a previous generation mac mini server as a Windows 7 machine for the past two years without any issues. It was set up with boot camp and Windows 7 professional loaded on the internal ...
0
votes
1answer
77 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 ...
1
vote
1answer
30 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 ...
0
votes
0answers
6 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 ...
0
votes
2answers
8k views

Do Thunderbolt to Display Port cables exist?

Is there any such cable? I'm trying to connect a monitor with display port connector to a MBA with Thunderbolt port. I know I can use a Display port to Mini-display port cable but I'm wondering if ...
3
votes
3answers
48 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 ...
0
votes
0answers
23 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 ...
0
votes
1answer
667 views

Macbook Pro, BenQ GW2765HT, and Displayport cable

After a few days to a week of normal use of my MacBook Pro (Retina, 13-inch, Early 2015 with Intel Iris Graphics 6100 1536 MB) and the BenQ GW2765HT LED monitor via display port, I found that my mac ...
0
votes
0answers
446 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....
1
vote
1answer
30 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 ...
1
vote
1answer
125 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 ...
0
votes
0answers
37 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 ...
0
votes
1answer
31 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 ...
0
votes
0answers
46 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 ...
0
votes
4answers
1k views

Monitor resets with OWC Thunderbolt 2 Dock?

I recently got a OWC Thunderbolt 2 Dock and am hooking my monitors into it. I have Display Port to MiniDisplay Port going from the monitor to the dock, one thunderbolt cable going from dock to Macbook ...
0
votes
1answer
303 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 ...