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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Plugging an old MBP into a newer hub (TB2>TB4/USB-C)

I have a mid-2014 MacBook Pro, which has 2x Thuderbolt 2, an HDMI and 2x (degraded) USB 3 ports. I also have a new Kensington Thunderbolt 4 hub, with two monitors connected to it (TB4>DisplayPort). ...
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Does my Mac support 'DisplayPort Alternate Mode' so I can use a KVM?

I'd like to buy a new monitor and have been looking at models that have an in-built KVM switch functionality as this would both reduce cabling/connections and enable me to use the monitor for home and ...
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Do Thunderbolt Docks tend to make Mac OS (Big Sur & Monterey) unstable?

I had experienced kernel panics with a Thunderbolt Dock (the Caldigit TS3+) on an M1 MacBook Pro 13” way back in the early days of Big Sur. I returned that Dock, and the panics eventually subsided ...
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Impossible to use two HDMI displays with one Thunderbolt 2 connector?

So I have an old MacBook Air (13-inch, Early 2014) and by reading the official Apple support page I've concluded that it is not possible to connect two (non-thunderbolt) screens through the single ...
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Which of the following hub adapters for the 2021 M1 Pro MacBook would allow me to use 4 display monitors total?

I have just bought the MacBook Pro (14-inch, 2021) featuring the Apple M1 Pro chip. From previous research I understand that it natively supports 2 additional display monitors, but I need a total of 4,...
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How can I connect 2 dell monitors with Mac Air?

I am using MacBook Air(13-inch, 2017) model. I want to connect with 2 monitors Dell (24 Monitor: E2420H) The problem is the monitor doesn't have a HDMI port . It has only display port & VGA . When ...
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How many monitors can my 27" 2019 iMac support? [duplicate]

I've got a 2019, 27" iMac Retina 5k with 8GB RAM and a Radeon Pro 570x with 4GB RAM. Currently, I've got two Thunderbolt 3 -> HDMI adapters plugged in, and I'm running those to TVs at 720p ...
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Thunderbolt 3 dock disconnecting randomly

I've been using the CalDigit USBC Pro Dock but I have also experienced this issue with the Corsair TBT100. Intermittently the dock will drop all connections attached to it. I can still see the USB ...
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Connect 2 4K monitors to a M1 Pro laptop via Thunderbolt 4 dock?

Is it possible to connect two external 4K60 monitors to a M1 Pro macbook using a single Thunderbolt 4 port, more specifically using a dock? I have researched this and am getting conflicting answers. ...
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Connect iMac (27-inch, Late 2013) to MacBook Pro M1 Max [duplicate]

Before I bought my new MacBook Pro M1 Max, I had MacBook Pro (Early 2015). I used my iMac (27-inch, Late 2013) as a target display mode for my photography work. I used thunderbolt to thunderbolt cable ...
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Dock for macbook that supports 2xTB3 displays, charging, and at last one USB-A?

I'm trying to determine what type of dock I should get for my MacBook, but the problem I'm facing is that most TB3 docks I'm finding only support HDMI or DP monitors. I'm trying to find a dock, or ...
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How can I get macOS to tell me what chroma sampling or subsampling is being used on an external display on an M1 mac?

After receiving my MacBookPro18,4 (i.e. MacBook Pro (14-inch, 2021)) with an M1 Max chip and seeing the ProMotion display, I was hooked on high (>60Hz) refresh rates, and treated myself to a LG ...
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1answer
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M1 Pro, will two external monitors work? [duplicate]

I am considering getting a 14" M1 Pro Macbook and am a bit concerned whether my existing setup will work. That's what I've got: an Early2015 13" MB Apple thunderbolt display via Thunderbolt ...
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2021 MacBook Pro and Apple Thunderbolt Display

I just got a 16" MacBook Pro (M1 Max, 2021) and want to continue using my Apple Thunderbolt Display. I'm new to USB-C dongles/docks/adapters/hubs (I am going to use "dongles" to mean ...
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After restarting MacBook Pro (Apple M1 Pro) external screens don't come out of sleep

Yesterday I set my MacBook Pro to update overnight. Today, I logged in and it continued to install updates for 10 minutes or so. When it woke up again, I logged in via TouchID. Only the internal ...
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Charge 2017 13" Macbook air through Thunderbolt 2 port, while connecting display

I currently have a 2017, 13" Macbook Air, and have been looking to buy a monitor to have at home. Is there a product that would allow me to power my computer, while connecting an external monitor ...
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What is required for Monterey's Adaptive Sync support?

I was excited to try Monterey's adaptive sync, but it doesn't seem to be working with my hardware. My Hardware I have an LG 27UD68 display, with a (somewhat limited) Freesync range of 40-60hz. This is ...
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Thunderbolt refers to socket or plug, or both?

I have a question about Thunderbolt. the snapshot introduces Thunderbolt 3. you see there are two parts: socket plug I want to know the Thunderbolt refers to the socket or the plug? or both?
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Daisy chain Dell with DisplayPort (output) to Apple Thunderbolt Display

I have a Dell P2720DC and Apple Thunderbolt Displays I want to daisy chain. Since the Dell has USB-C PD, I prefer connecting my MacBook to it, but then I'm not sure I can connect its DisplayPort ...
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Difficulty with Razer Thunderbolt 4 Chroma dock on M1 MacBook Pro 13" (works on Intel MacBook Pro 16")

Summary: my M1 MacBook Pro 13" can't see the SteelSeries APEX Pro keyboard or Rival 710 Gaming Mouse in my setup. my Intel MacBook Pro 16" has no difficulty with them. Systems: M1 MacBook ...
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MacBook Pro (Retina, Mid 2012) kernel panics after attaching Thunderbolt dock

I have a MacBook Pro (Retina, Mid 2012) running OS X 10.11.6 that I wish to use with one of two brand new OWC Thunderbolt docks. I have a newer laptop, MacBook Pro (2017, two Thunderbolt ports), ...
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Spark destroys Thunderbolt & HDMI ports (and more)

I was trying to connect two external monitors to my Macbook (model A1502, EMC 2835 - early 2015). The first monitor I connected via HDMI cable to the HDMI port. It worked OK. Then I switched on the ...
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2 monitor set up on MacBook Pro with just 1 unused ThunderBolt port

I started work at a new organization and have been provided with a 2017 13" MacBook Pro with 2 Thunderbolt ports. Those are the only two ports on the device apart from a 3.5 mm jack. One of the ...
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How to activate IP over Thunderbolt from command line (within Recovery system)

This is my setup: Two Macs (M1 2020, Mini 2018), connected with a Thunderbolt 3 cable. When both are running Big Sur, they have a working IP connection. However, if I boot the M1 Mac into Recover Mode,...
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2answers
239 views

Thunderbolt 3 versus USB Type‑C external SSD, is there difference for MBP 2019?

I want to purchase an external SSD for MBP 2019, 16" and occasionally run it from an external SSD. I understand that Thunderbolt 3 is much faster in data transfer than regular USB Type‑C, but can ...
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1answer
110 views

MacBook Pro mid-2012 freezes or crashes when external monitor is plugged in

I have a MBP mid-2012 (pre-Retina) running Mojave or High Sierra. I use the latest version of SwitchResX to handle the external monitor rarer resolution of 1440x900, surely not too many pixels for the ...
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Moving an eSATA drive from a Firewire enclosure to a Thunderbolt enclosure

I want to move an eSATA drive from an external Firewire enclosure to a –yet to be purchased– Thunderbolt enclosure and connect it as the same volume. I think it should be possible since it's the same ...
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1answer
220 views

How to switch / share peripherals between two MacBooks

I want to switch between my work computer (2019 MacBook Pro) and home computer (2017 MacBook Air) and use the same peripherals and connections: USB mouse USB keyboard Monitor Ethernet (optional) ...
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how to connect 2 monitors in macbook pro 2020

I have a Macbook Pro 2020 whose configurations are like follows: Apple M1 chip with 8-core CPU, 8-core GPU, and 16-core Neural Engine ..., ... Two Thunderbolt And I have searched it before which ...
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which monitors for 2018 mac mini [closed]

I have a 2018 mac mini. 2.6GHz dual core Intel Core i5 (up to 3.1GHz when using Turbo Boost) 8GB 1,600MHz LPDDR3 SDRAM 1TB Serial ATA drive (5,400rpm) Intel Iris Graphics I haven't used mac in 20 ...
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Using my iMac 2019 as a secondary monitor for my macbook pro 2017 [duplicate]

How can I connect my macbook pro (work computer from 2017) to my new iMac (2019) so that I can use my iMac as a second monitor. I tried connecting with a thunderbolt 3 cable and detecting displays. I ...
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1answer
358 views

NVIDIA Cards compatible with Mac

I have a MacBook Air Intel so terrible graphics. I want to get an eGPU. But all I can find for compatibility is AMD. NVIDIA is so much more cheaper. (And I know theres a graphics card shortage for ...
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Using an iMac 27-inch as a display for a Mac Mini M1 [duplicate]

I want to connect an iMac 27-inch Late 2012 and an iMac 27-inch Mid 2010 to two Mac Mini M1 and use them as displays, so I'd like to know what type of cable should I buy for each one of them. The iMac ...
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MacBook Air 2017 no longer sends any signal to monitor

My MacBook Air 2017 isn't sending any signal to my Dell monitor, and it doesn't work on my TV either. I am using a Thunderbolt to HDMI adapter that I got online and it worked perfectly last week both ...
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MBP doesn't recognize thunderbolt 3 dock anymore

Some days ago my MBP(2018, Big Sur 11.5.1) suddenly stopped working with my Lenovo Thunderbolt 3 Dock. Until that event both worked together perfectly. Now it can still charge but won't detect any ...
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What is the fastest external storage supported on Intel 2020 27" iMac?

I know modern Macs all have USB3 support, but now there's USB 3.1, USB 3.2, NVMe and of course thunderbolt (presumably multiple versions) and I am lost. What does the 2020 Intel iMac 27" support? ...
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Does Apple Thunderbolt Monitor just not work with Thunderbolt 4 ports (Intel Tiger Lake)

I've had this Apple Thunderbolt monitor since 2012. It was used with a 2011 Macbook Air and a 2015 Dell m3800 (linux) without issue and the monitor itself still works great. So far, I cannot get it ...
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yet another multi-monitor window position remembering problem

I have a macbook pro (i5, 2020ish, two thunderbolt ports, big sur), a caldigit thunderbolt3 dock, an apple thunderbolt display (plugged into the dock via an apple-branded thunderbolt 3-to-thunderbolt2 ...
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1answer
39 views

A USB-A hub or Thunderbolt 2 hub with USB-C ports in it? [duplicate]

I have only USB-A and Thunderbolt 2 ports on my Macbook Pro. Is there a product out there that is a USB-A hub (or a Thunderbolt 2 hub) that includes USB-C ports within it? If not, how can I plug in ...
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1answer
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2013 MacBook Air to Lepow Portable Monitor (Cable question)

Looking for a little insight on a new cable for my travel laptop set up. I have a portable monitor from Lepow (Amazon). This monitor has 3 ports and and can accept two input types: 2 x USB C (...
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Does something prevent two thunderbolt3 displays from connecting into a port replicator that feeds into 1 thunderbolt 3 port?

I have two external monitors, neither have a native thunderbolt 3 port. One is HDMI, and one is a mystery to me, it's small and sort of squarish with a notch. They both have a company supplied ...
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MacBook Pro external monitor resolution differences between HDMI and Thunderbolt ports?

I have a mid-2012 Retina MacBook Pro with an NVIDIA GeForce GT 650M PCIe GPU. This notebook has an HDMI port and two Thunderbolt 1 ports. I've read many conflicting posts whether or not this notebook ...
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MacBook Air 13" internal display works fine only when connected to an external monitor

My Mid 2011 MacBook Air 13" began to show unrecognized patterns on the screen one day. Not only that, the computer keeps turning itself on and off. I thought the display went bad. Accidentally I ...
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Inconsistent Big Sur external monitor resolution / refresh issues

I'm having trouble connecting my early 2020 16" MBP to my Acer XR342CK Pbmiiqphuzx. Every time I try to connect to the monitor, I get 1 of 4 outcomes (seemingly randomly): it connects briefly (...
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Control MacBook Pro (2019) Thunderbolt / USB-C port power individually (on/off, e.g., via console command) [duplicate]

Is there a way to control the power of the Thunderbolt/USB ports on the MacBook Pro (2019), on a port-by-port level? Use case: some dumb equipment draws power from the port (let's say a USB fan). The ...
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1answer
34 views

Questions relating to cables to use 2013 iMac as external monitor to a 2020 27inch imac? [duplicate]

wondering if you can use a late 2013 iMac as an external monitor to a 2020 27inch iMac.i spoke to the office supplies tech guy who recommended a thunder port 2 cable but that fits in the 2013 not the ...
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42 views

No signal on external monitor through USB Type C - DisplayPort cable

I have an Odyssey G7 monitor and I bought the following cable I have two MacBook pro's, one 2018 15 inches and another one 2019 16 inches. Whatever I do the monitor does not display anything. I tried ...
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1answer
23 views

Can't arrange 3 displays with 2 on top and one below

I have a 2013 MacBook pro with Catalina (10.15.7) and have added 2 external displays, one on hdmi, one with a thunderbolt VGA adapter. All 3 (the builtin LCD and 2 external) are used and not mirrored. ...
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29 views

third party hdmi to vga adapter does not work [closed]

I recently bought an HDMI to VGA adapter and a VGA cable, and when I plug it in it doesn't work properly. I was having problems so I read that the HDMI port on mac does not work, and that you need to ...
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360 views

MBP 16 becomes slow after a while when connected to external monitor

I've noticed recently that my 2019 MBP 16' (running latest version of Big Sur) becomes very slow and sluggish after being connected to an external monitor for a certain amount of time (the time varies,...

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