Questions tagged [thunderbolt]

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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51
votes
10answers
193k views

How to connect two non-Thunderbolt displays to the Macbook Pro 2011 via Thunderbolt?

I have the VGA and HDMI adapters for my Macbook Pro 2011, but can only connect one display at a time - neither adapter has a female Thunderbolt connector to act as a passthrough. My understanding is ...
48
votes
2answers
40k views

MBPr 2015, 2.5GHz i7 – Daisychaining 2 Dell U2414H 61 Screens [duplicate]

Marking this question as an already existing question is wrong as the other question refers to a Mid 2012 NONretina Macbook running 10.10.1 instead of 10.10.3/4 I think that daisy chaining ...
34
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6answers
71k views

Does Thunderbolt support chaining multiple monitors to a MacBook Pro?

This has always been a big want for me. I love using multi-monitor setups but only want a single laptop. Does the 2011 MBP Thunderbolt support chaining multiple monitors together? I know that you can ...
29
votes
11answers
25k views

Should I use a Thunderbolt adapter or a USB 3.0 adapter for ethernet?

I've just been Googling about this, but I can't find definitive information (some sites claim things that I'm unsure of). Which is faster for connecting an ethernet cable to a MacBook Pro - a ...
26
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5answers
19k 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 ...
23
votes
10answers
15k 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 ...
23
votes
2answers
37k views

Are there adapters to use Thunderbolt Display with non-Thunderbolt computers?

That Thunderbolt Display looks great. However, if I buy a monitor, it had better work with all my older computers, not just the latest and greatest Thunderbolt Macs. Is there any way I can get ...
19
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11answers
23k views

Thunderbolt Display does not recognize USB keyboard

I have a Macbook Pro which I use in combination with a Thunderbolt display. I also have a standard Apple USB keyboard with numeric keypad which is plugged in one of the USB ports of the Thunderbolt ...
19
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8answers
58k views

Where can I get a Thunderbolt hub or splitter?

Apple has just announced the new MacBook Airs, Mac mini, and Thunderbolt display. One of the features of the Thunderbolt display that caught my eye was its ability to daisy-chain two displays together ...
19
votes
6answers
41k views

What is the max resolution output by the HDMI port of the MacBook Pro Retina?

Does the MacBook Pro (Retina, Mid 2012) output 2560x1600 to the HDMI port? The reason I ask is that I would like to drive 2x30 inch 2560x1600 monitors while still using the Gigabit Ethernet adapter. (...
18
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4answers
41k views

Is it possible to install and boot Windows on a Thunderbolt drive?

I know the BIOS emulation of the EFI firmware in Macs does not support booting from FireWire or USB drives, and the EFI version of Windows doesn't seem to be compatible with Apple's EFI implementation,...
17
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6answers
168k views

What Thunderbolt to USB 3.0 cables/adapters exist for OS X and Mac hardware?

I have the Late 2013 Macbook Pro, which has two USB 3.0 ports and two Thunderbolt 2 ports. I currently use both USB 3.0 ports and one TB2 port. I want to connect a third USB 3.0 device to the machine, ...
16
votes
6answers
79k views

Can I use my Macbook Pro Retina as extra monitor for my iMac through Thunderbolt

I just bought a new late 2013 iMac and a new late 2013 Macbook Pro retina. Also bought an Apple thunderbolt cable. Pressing CMD+F2 (enabling Apples "Target Display Mode") on my iMac lets me use the ...
15
votes
3answers
23k views

Sound always comes from Apple Thunderbolt Display even with headphones connected

I have an issue using the Apple Thunderbolt Display. I have a Dell XPS laptop with Windows 8 where I connect to the display over Thunderbolt, but every time I try to listen to some music or video, the ...
15
votes
3answers
22k views

Using a USB-C dock with older MacBook Pros

Thunderbolt 2 docks have been quite expensive and they will be obsolete once I purchase the new Macbooks with USB-C ports. I currently use a 2014 MacBook Pro with Thunderbolt 2 ports, and I want to ...
15
votes
4answers
10k views

Primary display randomly changes

I'm using a MacBook Pro (Late 2011) connected to two Thunderbolt displays. The displays are chained together, and one Thunderbolt connection is made to the MacBook Pro. I prefer to have the left ...
13
votes
8answers
87k views

How to force Thunderbolt-ethernet connection when switching networks without restarting computer?

I have a thunderbolt to ethernet cable on a MacBookPro Retina on Lion. Sometimes the thunderbolt to ethernet connection does not work. It seems to occur when I switch network locations (e.g., I move ...
13
votes
9answers
88k views

How to use 3 external monitors on 15" late 2013 MacBook Pro Retina?

Several people have posted about how they use 3 external monitors with their MacBook Pro Retina. see: http://www.youtube.com/watch?v=qJhvyLB_Tbw Using 3 External monitors on my macbook pro, problem ...
12
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4answers
91k views

How to Connect Multiple Monitors to a MacBook Air

Usually I connect my MacBook Air 11" to a secondary display via the Thunderbolt port. What do I need to connect it to two external monitors?
12
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3answers
65k views

Connecting a Retina MacBook Pro to a VGA Display?

I have an external monitor with a VGA connection. What is the best adapter to use for my Retina MacBook Pro? I think I've seen Thunderbolt to VGA, or USB to VGA? Or HDMI to VGA? What are the ...
12
votes
4answers
25k 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 ...
12
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3answers
35k views

Where is the MAC address of my Thunderbolt to Ethernet adapter?

I have a Thunderbolt to Ethernet adapter for a MacBook Air and I need to assign a static IP address to it. I assume the MAC address is embedded in a given adapter... and by convention I would assume ...
12
votes
5answers
48k views

Should I get a mini DisplayPort to DVI or HDMI to DVI adapter?

I bought the new Retina MacBook Pro, which has an HDMI out and two Thunderbolt ports. I have an external display that I've been using that has a DVI input. Should I get the Thunderbolt/mini ...
12
votes
1answer
2k views

Kernel panic every hour or so “UPSB: thunderbolt power on failed” ever since I upgraded to High Sierra

This problem has never happened before upgrading to High Sierra (was on every OS since Lion). The day I upgraded, this problem has been reoccurring every 1-2 hours, and once even 5 minute after a ...
11
votes
6answers
21k 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 ...
10
votes
5answers
2k views

What program should I use to transfer 20TB data across the network?

I need to copy 20TB of data onto a thunderbolt array. The box where the data exists does not have a thunderbolt connection, so I will need to utilize the local 1GB network for this. (Yes, it will take ...
10
votes
6answers
34k views

Connecting 3 monitors to macbook pro 2018 via thunderbolt 3

I looked for 20 minutes for a post similar to mines, and couldn't find one. Which is interesting to me, because I don't understand why people want to use the display to HDMI instead of using ...
10
votes
1answer
3k views

system sounds coming from thunderbolt display, all else through headphones

I've got my headphones connected, and I've checked system preferences to make sure they are the audio output device. Most sound comes out through the headphones, like Spotify and YouTube. But, ...
10
votes
3answers
37k 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 ...
9
votes
2answers
4k views

How to charge MacBook Pro quickly from an iMac?

I am charging a MacBook Pro using a Thunderbolt 3 cable plugged into an iMac. This charging speed is exceptionally slow. The image shows 5+ hours to charge the laptop. I am using: 2018 MacBook Pro ...
9
votes
4answers
12k views

Can one MacBook charge another over USB-C?

When two 2016 MacBook Pros are connected over USB-C, can they transmit power? Could an adapter look like a phone from one side but like a charger from the other, so that it would convince one MacBook ...
9
votes
5answers
55k views

Hook up 3 monitors to Mac Mini Late 2014

I have the Mac Mini late 2014 and want to hook up 3 monitors in total. It works great with 2 displays (1x Thunderbolt + 1x HDMI). Once I add a third monitor to the second Thunderbolt port, just ...
9
votes
5answers
10k views

How can I swap the primary display automatically in a dual-monitor setup?

I have a MacBook Pro and two Thunderbolt displays at work. I work with the MacBook lid-closed because it's overkill and I don't have enough desk space anyway. Every morning I show up to work and plug ...
9
votes
1answer
434 views

My computer name keeps changing when I plug it into a Thunderbolt display

Every day I come into the office and plug my mac into my Thunderbolt display. It says the name "yourcomputer" is in use and renames it "yourcomputer-2" (or -3 or -4 ...). How do I make it stop?
8
votes
5answers
27k 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 ...
8
votes
2answers
7k views

MacBook Air occasionally freezes when external monitor is connected

I bought an ultra wide monitor (LG 29UM58) the other day. To hook it up to my Air, I convert a mini-DP signal to HDMI. With two different cables, I started noticing occasional latency on the signal ...
8
votes
2answers
15k views

Will Thunderbolt Cinema displays work with Mini DisplayPort equipped macs?

Is it possible to plug a Thunderbolt cinema display into a Mini DisplayPort-equipped Mac and have it work? This question suggests that it's possible and that it's pretty much the same cable, but I ...
8
votes
3answers
6k views

External monitors show blank screen until restart

MacBook Pro (15-inch, 2016) with 2 USB-C to HDMI adapters. The setup works great if I start up in that configuration. If I connect the adapters while the machine is running or simply sleeping, one ...
8
votes
2answers
21k views

Only one USB-C port will charge my MacBook Pro?

I've had my MacBook Pro (13-inch, Late 2016, Two Thunderbolt 3 ports) for over a year and I've never had any problems with charging until now. I was always able to use both USB-C ports for charging, ...
8
votes
4answers
61k views

Connect a Thunderbolt Display to windows 8 desktop

I've been spinning around with this question but couldn't find the answer. Hope someone here could help. I have been trying to connect my Windows 8 desktop to a Thunderbolt Display 27" without ...
8
votes
4answers
21k views

Switch to Target Display Mode without keyboard

Here's my setup: MacBook --> Thunderbolt Display --> iMac 27" The MacBook is the primary computer I want to use; the iMac is the (external) display. This all works just fine. The problem is, when ...
8
votes
3answers
6k views

What is the difference between thunderbolt and displayport iMacs when used as monitors?

Somewhat confused by the Thunderbolt/Mini DisplayPort compatibility rules, and the apple store people were unhelpful, so I ask here (maybe I should ask here first :) Hopefully we can come to a ...
8
votes
2answers
24k views

How do I disable (and re-enable) my Thunderbolt port from the terminal?

I've been having this problem with my Matrox DualHead2Go ME and my late 2011 15" MBP (running 10.9.2). When the displays wake from sleep, the external monitor does not re-awake. I've gathered that ...
8
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0answers
1k views

Supported USB-C Alternate Modes on MacBook Pro (15-inch, 2016)

I am curious exactly what USB Type-C alternate modes (and variations of those modes) are supported on the MacBook Pro (15-inch, 2016). I've done some searching on the internet, but I've been unable to ...
8
votes
6answers
70k 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 ...
7
votes
4answers
19k views

Dual-Monitor Output from a new Macbook Pro

I need to output to two screens from a Macbook Pro 17" I'm looking at buying. My current laptop has a VGA port and an HDMI port, and so it's pretty easy to run a dual-display setup with it. How would ...
7
votes
3answers
58k views

Dual screen with new Mac Mini

So I've begun the long-awaiting switch from PC to Mac in the office and picked up a new Mac Mini yesterday. We currently use dual screen on all machines in the office. I'm wanting to hook these up ...
7
votes
7answers
17k views

How Do I Disable the Webcam on an External Thunderbolt Display

I've got an iMac 27" paired with a Thunderbolt 27" display that's rotated to portrait mode. Both of them have integrated webcams. Some applications are screwy and inconsistent about letting me pick ...
7
votes
3answers
10k views

Thunderbolt -> Triple Monitor Mac Mini?

It seems the new Mac Mini uses both HDMI and Thunderbolt, but bandwidth limitations of Thunderbolt may prevent using 3 daisy-chained Thunderbolt high resolution monitors such as the newly released ...
7
votes
2answers
5k views

Can my Thunderbolt Macbook Air drive my Mini DisplayPort iMac as an external display?

I've run an iMac as an external display for a Mac laptop before, but am wondering if my new setup can work like that. I have: 2011 Macbook Air with Thunderbolt 2009 iMac with Mini DisplayPort mini ...