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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.

14
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5answers
9k 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 ...
8
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 ...
1
vote
2answers
129 views

OSX wont save external monitor screen arrangement settings, weird graphics issues with displays

Ive got a 27" iMac 4.2ghz i7, 16gb ram, 8gb GPU, running OSX 10.13.6 Ive got 2x external 1080p monitors connected to it via the thunderbolt ports using 2x of these HDMI to thunderbolt adaptors ...
0
votes
1answer
13 views

Can I save Thunderbolt Display Arrangement so it is different depending on which Thunderbolt I connect?

I recently migrated from a 2013 MacBook Pro to a 2016 MacBook Pro, both running Mojave 10.14.3. I connect my laptop to a Thunderbolt 2 display. I have one Thunderbolt at my office, and a second one ...
0
votes
0answers
10 views

I can't seem to see my Seagate Thunderbolt drive, but System Report says it's there

This drive was visible on my system for a while, but eventually just disappeared. It wasn't cheap, so I don't want to give up on it.
2
votes
1answer
1k views

How do I connect a 3rd 4K monitor to my 2013 Mac Pro?

I have a Mac Pro 2013. I already have two 4k monitors now connected to the HDMI port (Bus 0) a thunderbolt port with a TB->HDMI adapter (Bus 1) Before I simply buy a third monitor and adapter, is it ...
1
vote
1answer
582 views

MBP 13" Early 2011 Thunderbolt Firmware Version - How to update 22.1 to latest version

I bought a Kanex KTU10 to add USB 3.0 support on my machine because its only on USB 2.0. The product said my machine can support the product but when I plug it in it didn't work, while Mini DP to HDMI ...
0
votes
1answer
30 views

2018 MacBook Pro (w/ Touch Bar): Are all 4 thunderbolt/USB-C ports capable of supporting a monitor?

I have a fairly new 2018 13" Macbook Pro w/ touchbar. Only the two USB-C ports which are closest to the corners seem to support an external monitor. Is this expected behavior? To clarify, there are 4 ...
0
votes
1answer
29 views

Macbook Pro 2017 with 2 thunderbolt ports with triple monitor setup

I currently have a macbook pro with 2 thunderbolt 3 ports and integrated graphic card and a belkin dock that I use for work, but can't get work done with just 1 monitor. I have a triple 1080p monitor ...
0
votes
1answer
27 views

MacBook Pro (Retina, 13-inch, Early 2015) Thunderbolt 2 port for small second display (ASUS MB169C+ Portable USB Monitor for eg)

MacBook Pro (Retina, 13-inch, Early 2015) Thunderbolt 2 port for small second display (ASUS MB169C+ Portable USB Monitor for eg) can I get a bidirectional adapter like the Thunderbolt 3 (USB-C) to ...
0
votes
3answers
66 views

Mac Mini 2018 - 3 monitors [duplicate]

I've seen this question for older versions of the Mac mini, but I'm struggling to find an answer for the Mac mini 2018. I want to connect 3 identical monitors (22inch 1080p). I'm currently able to ...
1
vote
1answer
74 views

Is there a 1 cable solution to connect 2 monitors in extended mode and charge a MacBook 15" at the same time?

Is there a hub which can drive 2 screens directly without relying on DisplayPort-MST and charge a laptop at 85W? What I'm trying to find is a hub which would allow the following using only 1 cable to ...
0
votes
0answers
22 views

Why Thunderbolt Display doesn't work until unplug/plug power cable?

I have Apple 27" Thunderbolt Display. But for some reasons I have to unplug power cable for 30 sec or more every time to turn it on! Why its happens every time, after I detach my MacBookAir 2018/...
7
votes
6answers
19k 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 ...
6
votes
1answer
414 views

Why is Target Disk Mode so slow?

Two macs: maxed out 2017 MacBook Pro (MBP) base model iMac Pro (iMP) Using the MBP standalone, the internal drive gives me read & write speeds of about 2600 & 2000 MB/s respectively. Using ...
1
vote
1answer
245 views

Not able to connect an external acer display to MacBook Pro 2015

Here is the info of my laptop: - MacBook Pro (Retina, 13-inch, Early 2015) - 3.1 GHz Intel Core i7 - 16 GB 1867 MHz DDR3 - Intel Iris Graphics 6100 1536 MB - macOS High Sierra version 10.13....
0
votes
0answers
11 views

PC (Thunderbolt 3) to Thunderbolt 2 Display

I have a Lenovo ThinkPad T480s with a thunderbolt 3 port. I bought the official apple thunderbolt 3 to thunderbolt 2 adapter to connect to my thunderbolt 2 display. When plugged in the thunderbolt ...
1
vote
0answers
31 views

Can an eGPU work on Boot Camp with a Thunderbolt 2 port?

I aim to purchase an external GPU (likely this: https://amzn.to/2UvNTeh) and am wondering if a Thunderbolt 2 port will work with an eGPU on Windows 10 Boot Camp. I know there is a file for the macOS ...
0
votes
0answers
28 views

macbook pro external monitor flickers when plugged in via mini display port to dvi

So the xternal monitor connected to my mbpro mid 2012 flickers when I'm using a mini dp to dvi. I can solve this porblem by using a mini dp to vga instead. problem is it won't output the native ...
3
votes
2answers
78 views

Can I use a Thunderbolt 3 cable in place of a USB-C cable?

I need to connect my MacBook to a USB-C dock but the included USB-C cable isn't long enough. I have a several longer Thunderbolt 3 cables, so I wanted to know if I could connect the USB-C dock via a ...
0
votes
1answer
314 views

Early 2013 MBP Retina 15 won't boot unless Thunderbolt -> Ethernet dongle plugged in

My early 2013 Macbook Pro Retina 15" started to freeze a few days ago. The only way to get it (sort of) working was by holding the power button down and forcing a reboot. After a few days of ...
0
votes
0answers
18 views

Is there any (non-obvious) way to diagnose a damaged magsafe supply on a Thunderbolt display?

I recently had my MacBook (Mid 2015, Retina) repaired for hardware issues related to SMC failure. After about a day of it working, it started having the exact same issues, which is odd considering ...
2
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4answers
1k views

ThunderBolt 3 to Firewire 800?

I have several FireWire 800 Hard disks full of data/video/images I need for work. Last week I bought a brand new iMac and only today I realized that Apple is not selling any Thunderbolt 3 to FW800 ...
9
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, ...
2
votes
1answer
675 views

Connect an external SSD (USB Type-C) to Mac Mini (mid 2011)?

I have a Mac mini (Mid 2011) and I want to use an external SSD (Samsung Portable SSD T5) with it. Now the problem is that Mac mini (Mid 2011) only has: Thunderbolt port (up to 10 Gbps) (not ...
1
vote
1answer
49 views

Can I share Ethernet internet connection through Thunderbolt cable?

I do not want to use WiFi but need to share my iMac's Internet connection (with incoming Ethernet) to my MacBook Pro, using a Thunderbolt cable. I've connected the two in Network/sharing settings, ...
0
votes
1answer
20 views

Connecting external display to Early 2015 MacBook Pro [duplicate]

Does Early 2015 MacBook Pro output 4K 3840 via Mini DisplayPort to DisplayPort? I seem to get only HD max option on YouTube videos. I have a Samsung U32J590U 31.5" 4K UHD monitor. If not, do I have ...
0
votes
0answers
9 views

Can MacBook Pro/Air models with just two Thunderbolt 3 ports support two external HDMI displays? [duplicate]

With recent models (2018/2019) having only two Thunderbolt 3 ports, one used for charging, can a single Thunderbolt port support two external HDMI monitors? Does the video chip-set support it? Can the ...
2
votes
1answer
86 views

Dual 4k displays on a Macbook Pro 15" Late 2013

I would like to get two external monitors for my MacBook Pro 15 Late 2013 running Mojave 10.14.3. Specifically, I'm considering two of the Dell P2415Q 24" Monitors. I may also keep my MacBook open and ...
0
votes
2answers
128 views

Two USB-C monitors with 2016 13-inch MBP w/ 4 Thunderbolt 3 ports

I have two USB-C monitors (specifically Dell P2219HC), and I am trying to connect to them both as separate external displays. I am using the included USB-C to USB-C cable for each monitor. If I plug ...
0
votes
1answer
33 views

MBP on TB3-Dock ignores USB-Devices until reconnect

There are two usecases for my MacBookPro15,1: When I am on the road I just use it as it is without any peripheral devices. But when I am at home, I put it (with closed lid) in the book arc and connect ...
0
votes
0answers
16 views

Different thunderbolt ethernets have different Router IP

I need to connect to an Ethernet network with my mac. The weird thing is that I got connected to different routers (different IPs) using 2 different ThunderboltEthernetAdapters. Can anyone explain me ...
1
vote
1answer
117 views

MacBook with Lenovo C-Dock duplicates image on external monitors

I connect my MacBook Pro with Thunderbolt 3 to a Lenovo C-Dock, which connects 2 external monitors through 2 DisplayPort cables. The problem I have is that the 2 external monitors mirror each other. ...
7
votes
3answers
16k 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, ...
1
vote
3answers
601 views

Best way to use LED Cinema Display & Thunderbolt Display with Macbook Pro 2016

I have 2 Apple monitors: An old LED Cinema Display that has a Mini DisplayPort and a slightly newer Thunderbolt Display with a Thunderbolt 2 connection. I am currently using them both connected to my ...
3
votes
2answers
859 views

Connecting Mac Pro with NVIDIA GeForce GTX 9XX to Apple Thunderbolt Display

I'm finding conflicting information about this topic on the web, so I thought I'd raise the question here. I'm wanting to use an Apple Thunderbolt Display with an NVIDIA GeForce GTX9XX series card in ...
1
vote
1answer
226 views

Macbook pro disable charging when connected to external monitor via thunderbolt 3 port

I can connect external monitor to macbook via type C port. But the battery starts charging when I do so. This causes the laptop to always be charged at 100% (which is not good for battery life) How ...
1
vote
0answers
57 views

Imac12,2 thunderbolt firmware issues

I am running high sierra and am trying to use a antelope orion 32+ with this system through thunderbolt. The device get's picked up in my system info and the port is in use. It is impossible for ...
1
vote
1answer
32 views

External Display recognized as DisplayPort, but connected via adapter using HDMI

I'm trying to connect a brand new macbook Pro with 2 USB-C using an adapter with HDMI. The macbook detects the display, but the Connection Type is DisplayPort. Is there a way to change it? Screen ...
0
votes
1answer
30 views

DisplayPort unable to display in 2560x1440

I have a mid-2015 MBP running Mojave with 1 HDMI and 2 Thunderbolt 2 ports. I have two 32 inches Acer monitor - same model - EB321HQU with max resolution of 2560x1440. My monitors do not have ...
12
votes
8answers
85k 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 ...
1
vote
1answer
57 views

Any way to connect 3 external displays to a 2018 Retina MacBook Air? [duplicate]

Just wondering if there's any docking solution that provides the possibility to connect to 3 external displays to the MacBook Air 2018, or if we're hardware limited by the iGPU here.
1
vote
2answers
56 views

Dell D3818DW: How to connect KVM between PC and Macbook pro mid-2012?

I just bought a Dell 38" Ultrawide (D3818DW) and I wanna get all the cables I need while I wait for it to arrive. I want to use the KVM feature of this monitor between my MBP mid-2012 and my PC so I ...
2
votes
1answer
244 views

Can you use a Thunderbolt 3 cable to connect two Macbook 12-inch in target disk mode?

I'm working as a technician and would like to learn the capabilities of these cables. I know a USB-C 3.1 gen. 2 can do it, but I'd like to know if a Thunderbolt-3 cable would do it. I know that you ...
3
votes
1answer
2k views

Mac keeps restarting with kernel panic “UPSB thunderbolt power on failed”

Does anyone know what could be causing this? Happening at least daily now, sometimes multiple times :( Anonymous UUID: 9BD0D242-70AD-9DEC-BCA3-D8DCCE96A963 Sat Oct 6 09:25:04 2018 *** Panic ...
0
votes
1answer
65 views

What are the dimensions of the head of a thunderbolt cable?

I am wondering what the dimensions of the head of the thunderbolt cable is and what the size of the input port is. Are these standard ports or documented by Apple or do we just need to put calipers ...
1
vote
0answers
179 views

Looking for a right angled connector for my 15" Touchbar MacBook Pro

Currently I have an LG Ultra Fine 5K Display and a MacBook Pro with TouchBar. I have one cable connecting my laptop to the monitor that takes care of power, display and USB. I'm using the cable that ...
3
votes
3answers
6k views

Early 2015 MacBook Air and two external monitors: how to do it and maximum resolution?

I have an Early 2015 13" MacBook Air with Intel HD Graphics 6000 1536 MB. I'm trying to figure out what its capabilities are in terms of connecting two external monitors. First, if I just used the ...
0
votes
1answer
34 views

External (Thunderbolt 2) drive keeps changing to read-only randomly

I'm running macOS 10.14.2 on a 2018 Mac mini. I have an Akitio enclosure, connected to the Mac via a Thunderbolt 2<->3 adapter. At random, one of the drives in the enclosure becomes read-only (the ...
1
vote
0answers
26 views

Switch between two devices on one Thunderbolt Display [duplicate]

I'm using a Late 2011 Mac mini with High Sierra on a Thunderbolt Display, connected by a Thunderbolt cable to the Thunderbolt port on the back side of the display. My wife has a Mid 2015 MacBook Pro, ...