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.

Filter by
Sorted by
Tagged with
3
votes
2answers
73 views
+50

Connect a Thunderbolt display and a DisplayPort display to the same MacBook Pro

I'm trying to connect the old generation LG UltraFine 4k Display (USB-C DisplayPort) and the old generation LG UltraFine 5k Display (USB-C Thunderbolt) to a 13" MacBook Pro from 2019 (with 4 ...
1
vote
0answers
27 views

Improving NFS client performance

I have my Macbook Pro (MacOS Mojave) connecting to an NFS share on a Linux machine directly connected via Thunderbolt with jumbo frames. Testing with iperf3, I can do ~14 Gbps (~1.8 GBps) over the ...
1
vote
1answer
47 views

monitor displays shows no picture in display settings and goes black randomly

This is my first question so please pardon my mistakes. I use a Mid 2017 MacBook Pro with a HP V270 Monitor. The monitor connects fine using a USB-C to HDMI cable but the issue I'm having currently is ...
1
vote
1answer
1k views

How do I enable extended mode with dual monitors in OS X 10.11.6?

Equipment: Early 2015 MacBook Pro - Retina 13" with the Intel Iris 6100 graphics. Two Dell U2414H monitors. One MiniDP to DP cable connecting MBP to monitor #1. DP to DP cable connecting monitor #1 to ...
1
vote
1answer
1k 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
1answer
18 views

Thunderbolt 2 Dock - Display stops working after waking from sleep

I recently bought a used Elgato Thunderbolt 2 dock off ebay and everything seems to be working fine apart from this display issue. Here are some details of the issue: The monitor is connected to ...
2
votes
0answers
23 views

MacBook Pro can't get more than 2048 x 1152 on my QHD Dell monitor through Mini DisplayPort to HDMI adapter (4K capable)

Short story: My MacBook Pro (Retina 13" Late 2012) can't run 2560 x 1440 on new QHD monitor (Dell S2719DM - Only has HDMI ports) through a 4K Mini DisplayPort to HDMI adapter. Why and how to fix? ...
1
vote
1answer
38 views

Can my Early 2013 15“ MacBook Pro connect to a 30” Apple Cinema Display… or two?

Someone in my area is selling some 30" Apple Cinema Displays for a pretty decent price and I'm thinking about getting one for my home office to use with my Early 2013 15" MacBook Pro. From what I ...
1
vote
0answers
33 views

Dell D6000 thunderbolt hub and macbook pro 2018

I have the a dell thunderbolt hub D6000 which is connected to two displays via DisplayPort and the hub is connected into my Macbook pro 15” 2018. I have the latest DisplayLink driver installed (5.0.1)....
26
votes
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 ...
0
votes
0answers
25 views

Thunderbolt VGA adapter not working on Macbook Pro Retina late 2013

Good morning everyone. I'm Italian so sorry for my english. Yesterday was in trouble. I am a video operator and I was at the theater, connecting my American Macbook Pro Retina Late 2013 (macOS Mojave)...
1
vote
3answers
161 views

Is there an adapter / Dock / hub with 2 display outputs? [duplicate]

Looking around I can only seem to find an adapter / dock that only has 1 hdmi output with usb,ethernet, etc. Are there any adapters / Docks that have 2 display outputs? So then I can plug it into the ...
1
vote
2answers
38 views

USB-C dock with HDMI graphics on Late 2013 MacBook Pro

I have two MacBook Pros, a 2017 model with Thunderbolt 3 ports, and a late 2013 Retina with TB2 and USB3 ports. I use a HP USB-C Dock G4 docking station for the 2017 model. I have two 1080p HP ...
3
votes
2answers
368 views

Will a ThunderBolt 3 (USB-C?) to ThunderBolt 2 cable allow me to use a MacBook Pro as second monitor?

Yesterday I brought a iMac (Retina 5K, 27-inch, 2017) which has two ThunderBolt 3 (USB-C?) ports. I also have a MacBook Pro Late 2013 which has two ThunderBolt 2 (I think) ports. If I buy a ...
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 ...
0
votes
0answers
349 views

Identify what version of DisplayPort supported on the Thunderbolt port

How do I tell what version of DisplayPort is support on a Mac’s Thunderbolt port, when running macOS El Capitan or Sierra? I tried using the System Information app. No item listed for “DisplayPort”....
0
votes
0answers
24 views

Thunderbolt 1.0 with New Monitors [duplicate]

I have never connected my MacBook to external monitors. I know I can use the HDMI port, but I was wondering about the Thunderbolt 1.0 port (I have 2 ports). I am using a Mid 2012 15" retina MacBook ...
2
votes
0answers
37 views

Plugging anything into Thunderbolt inc bare cables causes kernel task overload

I have a 15" Late 2013 Retina MacBook Pro (2.6GHz Intel Core i7, 1TB SSD, 16GB RAM), and have been trying to solve my kernel task nightmare for years. I've read every article and forum post on the ...
0
votes
0answers
25 views

Daisy chaining two external HDD

I have two Glyph 1TB external HDDs connected to my Oct 2015 iMac, 27” 5K display, Fusion HDD, OS 10.14.5 1 has a single partition and is devoted to TM backups The other has two partitions: one ...
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 ...
0
votes
2answers
90 views

Disable Thunderbolt ports in macOS Mojave to mitigate the Thunderclap vulnerabilities

Due to the Thunderclap vulnerabilities we need to disable all Thunderbolt interfaces (except the DisplayPort signal). We are using Late 2015 iMac running macOS Mojave 10.14.5. Currently there is a ...
2
votes
2answers
36 views

Does replugging a Thunderbolt display necessitate a system restart?

Is there any danger in hot-plugging and un-plugging an external (Apple) Thunderbolt monitor (from USB-C), or is it safer to shutdown the computer first?
2
votes
2answers
36 views

Increasing a user's home directory size, external drive?

My mum has an iMac with a 3TB fusion drive in it and she's running out of space. She loves photo and video editing. She's good with final cut but not with managing separate storage. SSD's do not go up ...
1
vote
1answer
48 views

Do standard rectangle USB to Thunderbolt 2 cables exist?

Do standard rectangle USB to Thunderbolt 2 cables exist? I want to use my Thunderbolt 2 ports to connect a standard USB hub. Thanks!
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 ...
1
vote
0answers
24 views

Are USB ports on a Thunderbolt dock inherently more reliable than USB ports on a USB dock?

This question refers specifically to the use of external 2.5" drives, spinning or ssd. External drives on usb hubs we all know are very flaky, even for powered hubs. Surprised I couldn't find an ...
6
votes
5answers
46k views

Dell WD15 Dock with 2017 MacBook Pro

I have a 2017 MacBook pro w/ touchbar and the Dell WD 15 dock (work issued it to me). The dock has thunderbolt, HDMI, and VGA on the back. A single USB-C cable comes off of the dock. The issue I have ...
1
vote
2answers
87 views

Apple Cinema Display 27" with early 2015 MacBook Pro

I have a 13" early 2015 MacBook Pro with retina, and i am considering buying a second-hand 27" Apple Cinema Display. The 27" LED with single cable with three connectors (Mini DisplayPort, MagSafe, ...
0
votes
1answer
40 views

Using an iMac as a display for PC laptop in dual mointor configuration

My goal is to have two large monitors for my PC laptop without having to purchase new monitors. My current setup is a late 2013 27” iMac with a 27” Thunderbolt Display. For work I was given a Lenovo ...
0
votes
1answer
130 views

Mac mini 2018 hdmi white noise

I have 2018 mac mini, just bought it a few days ago, running OS X Mojave. And I have 2 monitors connected to it, 1 through usb-c and 1 through HDMI. Whenever I wake my computer up from sleep, the ...
1
vote
3answers
2k views

Can I use Apple's Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter for Target Display Mode on an iMac?

Apple's support page for the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lists support for Thunderbolt Displays and no support for Apple DisplayPort displays. However it doesn't say anything about ...
1
vote
1answer
213 views

Using Late 2013 MacBook Pro with LG Ultrafine 4K Monitor - USB-C to Thunderbolt 2?

I bought a used LG Ultrafine 4K Monitor with USB-C to Thunderbolt, the ones Apple are selling, for a good deal. I assumed I could make it work with a simple USB-C to HDMI cord, but this didn't work ...
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 ...
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 ...
1
vote
2answers
268 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
17 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 ...
-1
votes
0answers
15 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 ...
0
votes
1answer
667 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
54 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
100 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
74 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
618 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
134 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
73 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/...
6
votes
1answer
529 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
286 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
31 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
251 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
205 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 ...