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Questions tagged [thunderbolt]

Thunderbolt is a bus interface (like USB) developed by Intel and Apple that is capable of high transfer speeds and daisy-chaining. It is based off of the PCI Express and MiniDisplayPort technologies.

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Unable to get Power Delivery to work on Linux

Installed Arch Linux, and updated coreboot so it is hard to say which one is the culprit; I managed to rule out the charger itself because it does work with other devices. > uname -r 6.9.7-arch1-1 ...
sgp667's user avatar
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Getting a Thunderbolt Port on a Laptop to act as a "USB Device"

I have a Laptop with a Thunderbolt port (ROG GU603HM on Arch) that I would like to bridge to another device (2018 iPad Pro) using IP over Thunderbolt technology. However, the second device does not ...
raybb's user avatar
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Apple Thunderbolt Display does not wake up on Mac Mini running Linux (Devuan)

My Mac Mini has two monitors attached to it: a Mac Display one, on its thunderbolt port, and a small generic monitor attached to its HDMI port (using a HDMI-to-VGA adapter). This is how xrandr sees ...
raubvogel's user avatar
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Check Max Thunderbolt 3 Speed

How do I check the bandwidth (max Gbps) of my Thunderbolt 3 port? I'm trying to see if it can handle supporting 4 additional monitors with my Wavlink docking station (so that I can get either 1080p/...
Yusuf's user avatar
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Thunderbolt 3 not working on ASUS ZenBook Pro UX501VW

I'm trying to connect a docking station to my laptop via Thunderbolt 3 to connect my monitors, but they aren't connecting. I'm pretty sure I need to update the Thunderbolt Drivers & BIOS for my ...
Yusuf's user avatar
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2 votes
1 answer
76 views

Connecting a Thundebolt 3 docking station to a Windows desktop via optical 15m Thundebolt optical cable

I have a Windows 10 Pro 64 bit gaming desktop behind a concrete firewall (physical), and I want to transfer two monitors pluss USB signal out on the other side of the concrete wall. My idea was to buy ...
Håkon Seljåsen's user avatar
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Snowy display when connecting Yamakasi Catleap to 2018 MacBook Pro

I'm trying to connect a MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) to a Yamakasi Catleap Q270, using a Club3D CAC-1510 USB-C to Dual Link DVI-D adapter. When I connect the monitor, I get ...
Samir Unni's user avatar
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Thunderbolt Host Controller missing in Ubuntu... is that normal?

Is it OK to have Thunderbolt bridges, NHI, and PCI Express Root Ports but no "Thunderbolt Host Controller" using lspci on a TB3 capable system? My Dell Precision 5510 (TB3 capable) laptop ...
MJA's user avatar
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0 answers
606 views

How to get Thunderbolt 4 dock to work on Thunderbolt 3 port? (Dell Precision 5510)

I have a Dell Precision 5510 laptop with Thunderbolt. I'm able to get TB3 devices to connect in Windows and Linux without issue, but cannot get TB4 docks to connect. I've tried three brands (ACASIS, ...
MJA's user avatar
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Windows 10 Thunderbolt Multi-Screen Lock Issues

I've been using this thunderbolt dock for the last 6 months, no problem. I've got it plugged in to my laptop, using the laptop's screen as the main screen. For some reason, the signal became unstable (...
marksy95's user avatar
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Daisy chained second monitor missing after switching inputs on the monitor

I've tested the following setup for a presentation room: An HDMI-device is connected to the DP-IN of a monitor via an active HDMI -> DP-cable. A notebook or tablet is connected via USB-C to the ...
spud_murphy's user avatar
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Lenovo p53s : thunderbolt 3 port : charging and video output at the same time

I have a Lenovo p53s. Documentation here. Specifically page 4 identifying the usb c ports One sees two usb-c ports one being thunderbolt 3. In the description they list the functionalities of those ...
FenryrMKIII's user avatar
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1 answer
181 views

How technically impossible is it to combine two dp1.2 4k60 outputs into a single 4k120 input?

My laptop has two Thunderbolt 3 ports with Alpine Ridge controllers that support Displayport 1.2 and can output a maximum 4k60 output. Is it possible to combine those two outputs to drive a single ...
Dion's user avatar
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Windows 11 - USB C Docking station keeps disconnecting devices

Scenario I have an Anker Docking Station (model Anker 675) which I bought to help me switching between my personal laptop and the company's laptop without having to connect/disconnect lots of cables ...
Paullus Nava's user avatar
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438 views

Use one thunderbolt port to connect to 2 monitors, one via usb-c 3.2 and another via hdmi

there are a lot of similar questions, but none fits my use-case or answers me. I just got a macbook pro 16 2021 (M1) from work and I'm wondering how to connect it with the rest of my setup to work ...
Random_dude's user avatar
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How do i check the thunderbolt port?

I have an acer aspire 7 A715-51G. On the spec sheet it says it has thunderbolt 4 and also on the port it has the small logo. But i can't see any drivers for thunderbolt nor can i see it in the intel ...
And's user avatar
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Can I connect a USB-C (Thunderbolt) dock to a USB-A PC? (re: USB 2.0 peripherals)

I'm using a CalDigit TS4 Thunderbolt dock with a few USB 2.0 peripherals connected (keyboard, mouse, etc). Is it possible to connect the USB-C output to a USB-A PC? (ie. Raspberry Pi) I know that Alt ...
SofaKng's user avatar
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thunderbolt SSD won't mount at boot

My system won't boot when I have my Thunderbolt external SSD in my fstab. I think maybe systemd is trying to mount drives before boltd is running, but I'm not sure how to verify that this is the ...
Michael Muller's user avatar
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HP Thunderbolt Dock G2 won't go to sleep

I am using a Thunderbolt Dock G2 with my Lenovo T480 under Windows 10. Annoyingly the dock won't go to sleep when the laptop is switched off or in stand-by. All USB peripherials connected on the dock ...
Christopher Oezbek's user avatar
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2k views

HDMI and USB-C ports dead on HP ZBook Studio

In my laptop (HP ZBook Studio G5) the HDMI stopped working and apparently USB-C ports also. I suspected initially that it could be because of the latest BIOS upgrade that Windows decided to do by ...
Arkoudinos's user avatar
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1 answer
471 views

How to debug intermittent black screens on LG Ultrafine 5K connected via CalDigit TS3+ to a Thunderbolt 4 laptop

I have a first-generation LG Ultrafine 5K (27MD5KA-B) display that I'm trying to use with a Panasonic laptop (CF-SV2MFNCR) running Linux. The display requires a Thunderbolt 3 connection, and the ...
Gur3n's user avatar
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Thunderbolt Dock connects only displays, won't connect USB / Ethernet

I bought a new Thunderbolt-Dock for my Office-Setup. However, when I connect my laptop, only the two (4K) displays will work. The USB won't work. Nor do the Ethernet or audio connectors. I can (almost ...
1NN's user avatar
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Connect USB C / Thunderbolt 4 to USB A (input! for USB 3.0 Hub) using a normal USB C to USB A cable?

I have an old USB (A) 3.0 Hub Aukey CB-H18, which I have been happily using with my late 2013 15" macbook pro. Now i updated to a new 2023 14" macbook pro m2 and naively thought I can just ...
rich's user avatar
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2 votes
2 answers
33k views

"Display 2 isn't active" error when trying to connect a second screen

I'm trying to connect a second screen, however, Windows 11 seems to recognize the screen, but says it's "not active" hence there is no output on the display. The display itself just wakes up ...
ch1ll's user avatar
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0 answers
435 views

Adding Thunderbolt 3 capability to desktop

I have a desktop for which I desired to utilize the front panel usb c port as a thunderbolt aware connection. I subsequently realized since I do not have a lighting icon next to the port it is not ...
Vahe's user avatar
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1 answer
1k views

Can I daisy-chain two monitors with only one DisplayPort input a Razer Thunderbolt 4 dock?

I have a 13" M1 MacBook Pro from 2020 (model MJ123LL/A). It has two Thunderbolt 3 ports on it. I also have a Razer Thunderbolt 4 dock (with 1 upstream T4 and 3 downstream T4 ports, as well as ...
Eric Keyte's user avatar
1 vote
2 answers
1k views

Connecting Laptop to External Monitor. I/O and GSync issue

I am using Asus TUF F15 2021 (i7 11800H and RTX 3060) I want to connect to ext monitor which supports 144Hz GSync via DP but no GSync 144Hz via HDMI. I have a Type C Thunderbolt 4 and an HDMI output ...
Anurag Mittal's user avatar
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2 answers
324 views

Issues with USB-C (Thunderbolt) -> DP, USB, PD port replicator (docking station) (Dell, Lenovo, HP laptops)

I need to dock several different types of laptops at one workplace, so I'm looking at some universal docking solution as I have constant issues with USB-C (TB) docking stations supplied by laptop ...
MorganInTheMorning's user avatar
3 votes
0 answers
768 views

USB4 theoretical maximum data bandwidth rate?

Thunderbolt 3 used to be limited to 22gbps as per the technology brief: and this has been confirmed by many benchmarks over the years. The first benchmarks of native USB4 enclosures show 29.6Gbps ...
chx's user avatar
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How to use dedicated GPU over Thunderbolt

My goal is to have the noisy machine in another room, while having my peripherals, well, here. I already got myself a CalDigit TS4 that would serve as a terminal for my peripherals, including displays,...
Birowsky's user avatar
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0 answers
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iMac Pro Bootcamp: Two Thunderbolt ports not working, two are working correctly

I had my Bootcamp drive running a few weeks now great. an eGPU Connected to one TB Bus and my external NVMe with Windows on the other TB Bus of the iMac Pro. Runs great. Then I wanted to install ...
Kevin Lieser's user avatar
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63 views

Can you use Thunderbolt storage if host only supports usbc with some adapters?

I've got a problem with my PC only supporting ubsc but not thunderbolt and all my external storage being thunderbolt 3 ssd storage. I didnt realize that they are not backwards compatible from TB -> ...
vach's user avatar
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1 answer
971 views

Razer thunderbolt 4 dock works with Linux but not Windows 11

Problem Hello all, I am having a problem with my Windows 11 and a Razer Thunderbolt 4 Dock, specifically, I cannot get video (display port over USB-C) output from my dock to my monitor. Windows also ...
Charles Ritchie's user avatar
2 votes
0 answers
372 views

Run a 5K and a 4K monitor via a Thunderbolt 4 hub without DSC

My question is rather simple. I am wondering if I can run a 5K display (LG UltraFine 5K) and a 4K display (Dell U2720Q) using a Thunderbolt 4 hub (something like CalDigit's Thunderbolt 4 Element) on a ...
comfreak's user avatar
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1 vote
1 answer
3k views

Can the front USB-C port on an Intel NUC 10th Gen support a display?

I have an Intel NUC BXNUC10I7FNHN 10th Gen Core i7, and I'm trying to get three monitors operational simultaneously, each with their own display (not mirrored). The monitors are currently as below: ...
Scrybid's user avatar
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-3 votes
1 answer
874 views

Why do the Thunderbolt specifications indicate a max length for the cable?

The Thunderbolt specifications indicate a max length for the cable. Why?
Franck Dernoncourt's user avatar
2 votes
1 answer
116 views

Why do PD charging ports sometimes only support 65 watts and above devices (but not devices with less than 65 watts)?

E.g., this laptop's specifications state (mirror) (MSI GS76 laptop): PD charging port only supports 65W watts and above devices (e.g. adapter, powerbank). Why do PD charging ports sometimes only ...
Franck Dernoncourt's user avatar
5 votes
1 answer
23k views

How can I see from Windows which Thunderbolt version (3 or 4) my Windows 10 laptop has?

My Windows 10 laptop has a Thunderbolt port. How can I see from Windows which Thunderbolt version (3 or 4) my Windows 10 laptop has? I'd prefer not to manually dig into the laptop user manual. ...
Franck Dernoncourt's user avatar
-1 votes
2 answers
880 views

Does Thunderbolt 3 decrease the response time of peripherals compared to USB-C and USB-A?

I read on https://helpdeskgeek.com/help-desk/thunderbolt-3-vs-usb-c-whats-the-difference/: The high data transfer rate of Thunderbolt 3 is great news for gamers in particular because it boosts the ...
Franck Dernoncourt's user avatar
0 votes
0 answers
119 views

How many monitors can I use with a HP Laptop using a Thunderbolt 2G

Can I utilize 4 monitors with my HP Elitebook laptop with an Intel UHD 620 graphics card if I have it connected to a Thunderbolt 2 dock? The Thunderbolt 2 will support 4 monitors, but my graphics card ...
Ken's user avatar
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1 vote
2 answers
4k views

This Thunderbolt Application Is Not in Use Anymore and Can Be Safely Uninstalled

When I load my Windows 10 on my Dell Precision 5520 I'm getting a message. Application Cannot run This Thunderbolt application is not in use anymore and can be safely uninstalled I have no idea why ...
Yevgeniy Afanasyev's user avatar
1 vote
2 answers
3k views

Thunderbolt 3 to triple HDMI

My notebook (Dell Precision 5520) has Thunderbolt 3. Thunderbolt 3 provide 40Gbps (double the speed of Thunderbolt 2). In terms of video it has 8 lanes of DisplayPort 1.2 (High Bit RTE 2 (HBR2) and ...
Yevgeniy Afanasyev's user avatar
1 vote
0 answers
262 views

Can a MAC laptop with thunderbolt 2 ports accomodate a Thunderbolt 3 dock from DELL?

I recently bought a DELL TB16 dock to use with my computer. I connect the thing using a thunderbolt 3 cable, and I get the internet, 2 screens my usb laptop plus power using only one cable. Works ...
G. Fougeron's user avatar
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0 answers
26 views

USB 3.0 Graphics Card Quad Monitor Setup

the CPU is only capable of supporting three displays. Is there a chance to push the limit by adding a USB / Thunderbolt Graphics Card? Thank you in advance :)
Peter's user avatar
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1 vote
0 answers
1k views

How to use a KVM switch with newer USB-C / DIsplayPort systems without 3.5mm audio

I have a challenge. I have a "work from home" setup provided by an employer. I want to add my desktop in a dual setup, with a KVM. They provided a Dell laptop with thunderbolt port. They ...
Appleoddity's user avatar
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2 votes
1 answer
2k views

What can be the issue when Thunderbolt Dock Power Button does not Power on Laptop

I have a HP zbook Firefly 15 G8 and as there are currently no suitable docking stations from this vendor available for me to buy I took the risk and bought one from Asus (Asus Sim Pro Dock 2). The ...
Shihan's user avatar
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0 answers
24 views

My thunderbolt 3 isn't working properly. Model Name: G5-793 | Part Number: NH.Q1HEG.003

I am trying to connect an external display using thunderbolt 3 port, but it is not working, i tried uninstalling the thunderbolt 3 software, but it just doesnt detect any external display, how can i ...
Steinhammer71's user avatar
0 votes
1 answer
1k views

Stuck on 6-bit color when in 60hz windows 10, Spectre x360 14,

I'm using a spectre x360 14 with a 38" monitor lg-38WK95C-W which is supposed to have a color depth of 10bit. When I connect my laptop with USB-C to the monitor, the default setting appears to be ...
PaddleStroke's user avatar
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0 answers
194 views

MacOS - Unable to see shared drive from one MacBook to another via Thunderbolt

I have a new MacBook Pro and I have attempted to migrate data and account information from my old MacBook Pro. Both systems are running MacOS 12.1 (Monterey) The old MacBook Pro is a 2019 16" ...
Hogstrom's user avatar
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0 votes
2 answers
3k views

Can HP EliteBook 840 G7 Notebook drive a 5k2k display?

My employer provides my with a HP EliteBook 840 G7 Notebook. I'd like to buy a external monitor for it, and I came across the Dell UltraSharp 40 Curved WUHD Monitor - U4021QW. I'm somewhat confused by ...
piptoma's user avatar
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