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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.

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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.
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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 ...
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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 ...
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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 ...
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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 ...
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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/...
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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1answer
89 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 ...
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1answer
120 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. ...
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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 ...
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231 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 ...
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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 ...
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1answer
33 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 ...
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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 ...
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57 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 ...
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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.
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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 ...
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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 ...
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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, ...
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Using late 2012 iMac as monitor for a PC [duplicate]

My old iMac is getting slower by the day and I have good PC on the side but I don't want to ditch the gorgeous display that works perfectly fine so I'd like to use it as a second monitor. Even ...
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3k 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 ...
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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 ...
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How to prevent iMac from using the second monitor but still using its audio?

I connected my AV receiver to my iMac via the Thunderbolt-to-hdmi adapter but I do not have any TV connected to the receiver, meaning no screen. The whole purpose of this was for being able to use ...
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MBP 2016 - High Sierra - Thunderbolt Ethernet stops getting detected after frequent plugging/unplugging

I have a 2016 MBP 13". I frequently work from home and office and use Thunderbolt Ethernet using Anker USB-C Ethernet I also run and work on VM ( Fusion ) for my development tasks. During switching ...
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How can I debug an unrecognised display in High Sierra?

My external monitor recently stopped being recognised by my MacBook Pro (Early 2011 - 8,2, High Sierra, 10.13.6) I have reset PRAM / SMC and tried a number of troubleshooting steps as outlined in the ...
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2answers
130 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 ...
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173 views

Use Apple monitor as second monitor for windows pc

I've an Apple monitor 27' with thunderbolt port, such the one in the picture below. Do you know how if it could be used as external monitor for a windows pc, that has not thunderbolt port?
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1440p/144hz Causes Mouse Stuttering

I have a 15" 2018 MacBook Pro with 4GB Radeon Pro 555X graphics. I also own a Pixeo PXC32 monitor that I use between my Windows 10 laptop and this MacBook. I am having trouble getting 144hz in 1440p ...
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2answers
177 views

How to connect an iMac 2011 to an HDMI laptop?

I have a 2011 iMac with one Thunderbolt 1 port and one FireWire port. Is there a way to use one of those ports to connect the iMac to an HDMI laptop so that it can be used as an external display? ...
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Two USB C monitors from a single Thunderbolt port?

Any number of docks exist which demultiplexes both DisplayPort signals from the Thunderbolt bus and also provides USB C ports some at 10gbps even but I can't find one that puts the DisplayPort signal ...
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21 views

displays - drive displays from USB-C hub

Is it possible to drive a monitor from a hub? If the hub was Thunderbolt 3 compatible and I used a USB-C to HDMI adapter, from the hub to the monitor, would this work? The monitor in question is a ...
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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 ...
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1answer
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Macbook with thunderbolt 3 and disk drive?

I thought I just saw someone with (what I believe to be) a thunderbolt 3 and a disc drive on their MacBook, and I thought there were no more disc drives that were built into MacBooks (that have ...
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1answer
56 views

Two thunderbolt ports on my mid-2015 MacBook Pro how do I configure one monitor to be in mirroring mode and the other in extended desktop mode?

So its my understanding that I can have two flatscreen monitors as long as I use the right cables and each thunderbolt on my Mac will connect to each monitor for a total of 2 monitors and as long they ...
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1answer
23 views

How to use a portable display with an older Macbook 2011 (USB 2.0)

I've been looking at the Asus Zenscreen portable displays to add a second screen to my Macbook Air. (Model 1, Model 2) The problem that I'm running into is that it's a USB-C connection, or ...
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1answer
19 views

Is it a bad idea to daisy chain to an internet router through an external drive?

I'm interested in setting up a wired connection to my router, in order to achieve a faster internet connection than I can get from built-in 802.11n. My 2012 Mac Book Air has only one Thunderbolt 1 ...
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1answer
616 views

Can a monitor connected with Thunderbolt 2 power a mid-2013 MacBook Air?

Want to buy an external monitor for a mid-2013 MacBook Air. Am wondering whether one with a Thunderbolt 2 port will be better in that it will also power the laptop. Else I'll buy one with USB-C to ...
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212 views

2 VGA Monitors to Thunderbolt/USB-C on MBP

I had a previous monitor setup with two VGA monitors connected to my previous MBP, through mini port or display ports (I cant recall exactly but I had two nice big external monitors). Long story ...
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1answer
272 views

27" Apple Cinema Display (video and power) to one USB-C

I've got an Apple Cinema Display with ThunderBolt-2 and MagSafe-1 connector and would love to combine these two cables to one ThunderBolt-3 to supply power to the Mac and video and sound to the ...
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1answer
233 views

How to connect MacBook Pro to an iMac with a 3rd party keyboard?

I was following the instructions here: https://support.apple.com/en-us/HT204592 which say to press CommandF2 and that works fine when I use my Apple keyboard. However, I want to connect my Apple ...
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1answer
1k views

Why do I see “Cannot Use Thunderbolt Accessory”?

I purchased a brand new MBP and a cable was included in the box, it has USB-C type connectors on each end and works for charging the computer. When, instead of charging with the brick, I plug it into ...
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1answer
4k views

How to use 2 FullHD monitors to one Type-C port on Macbook Pro 15 2018?

I've seen multiple questions were people are told you can't really use one port but it depends on your adapter and how you use it. I have a startech USB-C to 3 HDMI adapter: And I've been using this ...
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0answers
21 views

iMac doesn't see external bootable SSD on startup

I have an iMac 2013 with HDD and I recently upgraded it with extarnal SSD connected via Thunderbolt. It works pretty well but sometimes when I turn my iMac on, it shows a black screen with text like "...
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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 ...