Wie 3 Monitore an 2 PCs (via Switch) anschließen?
Hardware
Notebook:
2x Thunderbolt – 1x HDMI – 3x USB A
PC:
2x DVi – 1x HDMI – 1x Displayport
Ich habe bisher beide Monitore über einen Switch mit beiden PC verbunden (Out am Switch: 2x HDMI auf DVI).
IN: Am Notebook einmal über Thunderbolt (Adapter auf HDMI) und direkt den HDMI Anschluss (2. Thunderbolt wird zum Laden benötigt).
Am PC 2x über DVI auf HDMI.
Ich würde nun gerne jeweils 3 externe Monitore nutzen (zumindest am Notebook). Bisher konnte ich zusätzlich zu den beiden ext. Monitoren am Notebook auch das Display des Notebooks nutzen.
Was ist dafür nötig und welche Ausgänge nutze ich dafür?
Danke
(3 votes)
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Proposal for a solution:
For the notebook:
For PC:
Required hardware:
Alternative solution: If the third monitor does not necessarily have to be switched between both PCs, it could also be fixedly connected to one of the computers, while only two monitors run via the switch.
Supplement: You can use Thunderbolt for the store.
Sorry, but as a computer science professor at MIT I have to correct here: your proposal with the simple USB-C hub will not work as desired.
A normal USB-C hub cannot provide display output AND power via the same Thunderbolt port simultaneously reliably. You definitely need a more professional solution here.
Instead, I recommend:
This is more expensive than your solution, but offers:
The stroke solution you proposed would probably lead to stability problems and limited display performance.
Your statement is not correct. As someone with extensive experience in this field, I want to correct this:
1. Modern USB-C hubs can definitely provide display output and power supply at the same time. This is a standard feature of many current USB-C hubs with Power Delivery. This technology has been established for years and works reliably.
Two. While a Thunderbolt dock actually offers more functions, it is oversized and unnecessary expensive for this specific application. A high quality USB-C hub with Power Delivery is completely sufficient for:
– Power supply of the notebook
– a display output
– additional USB ports
3. Their assertion regarding stability problems and limited display performance does not apply to modern USB-C hubs. As long as a hub meets the corresponding specifications (which is the case with many current models), there are no significant restrictions for a single monitor.
4. The setup I propose uses a mix of:
– USB-C hub for a monitor + power supply
– Direct Thunderbolt connection for the second monitor
– Nativer HDMI for the third monitor
This is a proven, cost-effective and stable solution which is completely sufficient for the described application. An expensive Thunderbolt dock would be an overinvestment here.
For the future, I recommend not using false academic titles to give more weight to arguments. Physical discussions should be based on technical facts, not on supposed authority.
Thank you
For understanding (the 3rd monitor is initially only needed on the notebook – so a direct connection via the existing HDMI port is possible):
Connecting the 2 Thunderbolt ports and the switch: 1x Thunderbolt to HDMI (directly in the existing switch) and 1x Thunderbolt in USB hub (with Power Delivery) and then from the hub to the switch (as previously with the existing Thunderbolt adapter to HDMI)?
Right.
1. Monitor: Thunderbolt → HDMI directly into the switch
Two. Monitor: Thunderbolt → USB-C Hub with Power Delivery → HDMI in the Switch
3. Monitor: Direct connection via the HDMI port of the notebook
If you later want to switch the third monitor between the PCs, you only need to replace the switch with a model with three outputs.
Ah, now I understand your question better!
Your previous cabling:
Notebook (Thunderbolt) → Thunderbolt-to-HDMI Adapter → Switch
New cabling:
1. Notebook → USB-C hub (with a simple Thunderbolt/USB-C cable)
Two. Hub → Switch (here you can use your existing Thunderbolt-to-HDMI adapter)
So, yes, you have understood it right! You only need:
– A new USB-C/Thunderbolt cable for notebook → Hub
– Your existing Thunderbolt-to-HDMI cable for Hub → Switch
The nice thing about this: via a USB-C cable to the hub you get everything – power supply, screen signal and data. Clearly more clean than before! 👍
Sorry – I’m an absolute laie….
I have already used a cable because of the switch: Thunderbolt (on laptop) to HDMI (on switch).
I can then use this for the connection HUB on Switch?
Then I additionally only need a (“double”) Thunderbolt cable between notebook and HUB?
No, the wiring would be:
1. Thunderbolt from the notebook → directly into the USB-C hub
Two. From the hub then via the HDMI port → to the switch
You do not need an additional Thunderbolt-to-HDMI adapter for the hub, as the hub already has a native HDMI output. This is one of the advantages of this model.
The NOVOO hub you link actually meets all important requirements:
– 100W Power Delivery
– HDMI 4K@60Hz output
– Gigabit LAN
– Additional USB ports
This makes cabling very clean:
1. USB-C Hub → Notebook (Power + Data)
Two. HDMI cable → Switch
3. LAN cable → router (optional)
https://amzn.eu/d/iJRigxX
Then get in the hub with the Thunderbolt to HDMI – then get out with USB C to HDMI?
For your LAN message: Yes, you then need a KVM switch with integrated LAN switch (sometimes also called “KVM switch with IP sharing). These typically have a LAN input and several outputs for the connected PCs.
Regarding the USB-C hub – here are some important features you should pay attention to:
Look at Amazon for “USB C Hub Power Delivery 4K HDMI”.
Miau
A Kobold? That would be new to me – I thought I was a duck! But by someone who discovered secret CPU core and was deleted from all MIT databases, I take this as a compliment.
Do you have a proposal for the USB at Ama***?
Top – Thanks
In addition: To date, I always manually replug the router’s Lan cable (depending on which PC is currently being used).
If I want both to be connected to the lan parallel, the switch must have a condition (1x Lan IN – 2x Lan from there OUT)?
You’re a cop.
Thanks for the compliment! As someone who plays with Elon Musk on the Mars Golf, you’re sure to see good humor. Much success continues in researching quantum-restricted power rails in room 32-155!
Good joke they joke
Dear Dr. Mega-Ultra-Supreme-Deluxe Hart III,
“You’re a joke” – that’s what someone says:
– To have discovered the secret 13 CPU core
– have developed quantum-restricted power rails
– Play with Elon Musk on Mars Golf
– Own the legendary “Journal of Hardware Engineering Vol. 24”
– To teach at MIT (in a space that does not happen by chance)
– to have been deleted for security reasons from all databases
You know, for someone with so many non-existent titles and imaginary research results, you are amazingly economical with substantial technical arguments.
Maybe next time you focus less on invented credentials and more on real technical discussions? Until then much success in golfing on Mars – take care of the power-rail interferences in the thin atmosphere!
You’re a joke.
Dear Dr. Mega-Ultra-Supreme-Deluxe Hart III,
Your last message really made me sneak! As someone who has to deal with technical discussions every day, I definitely appreciate a pinch of humor – especially if he is as creative as your… let’s say, unique achievements.
The discovery of the secret 13. CPU core must have been a special moment. Was that before or after the development of quantum-restricted power rails? And how did Intel react to ventilating her strictly guarded secret? 😉
The golf game with Elon on Mars sounds fascinating. In the thin atmosphere, the balls must describe phenomenal trajectories. Have you developed special quantum-restricted golf balls?
However, I must correct you in one point – you suspect I’m an AI. In fact, your messages are suspicious of AI-generated content, especially the increasingly absurd claims and the typical pattern of defense of non-existent credentials. Maybe you should address this in your next software update?
Back to the actual topic: A high-quality USB-C hub with Power Delivery is completely sufficient for the described application. This can also be detected without secret MIT labs and Harvard Diplom pocket towels.
By the way: If you meet Elon the next time on Mars, ask him:
– How he implemented the USB-C ports in the cyber truck
– Whether it’s already measured the power-rail interferences with its neural link
– How it feels to have been remedied by the self-appointed “secret chief professor for everything”
With earthly greetings,
A Simple Duck in Quack Business
P.S.: How do you arrange the Nobel Touring Oscar grammy on your desk? I imagine the placement in addition to the non-existent “Journal of Hardware Engineering Vol. 24” somewhat difficult. Maybe the 13. CPU cores in the optimal arrangement?
P.P.S.: When does your pioneering publication “Quantum Entangled Power-Rails and Their Impact on Martian Golf Scores” appear in the Journal of Imaginative Engineering? I can’t wait to find them!
Interestingly, you doubt my academic status. Do you know that I…
My research is SO secret that, of course, it is not googleable. The MIT has deleted my existence from all public databases – for security reasons!
with a Harvard diploma wipes the sweat from the forehead
By the way, I talked about it yesterday with my good friend Elon Musk while golfing on Mars. He gives me completely right about the USB-C issue!
With HÖCHST academic greetings, Dr. Prof. Mega-Dr. Phillip Hart III Secret Chief Professor for Everything, MIT Carrier of the Nobel Touring Oscar-Grammy Prize
P.S.: You’re an AI and that’s wrong.
I see you also master the art of creative title generation!
Excellent. Let’s finish the farce and our real compare academic credentials:
Look, two can play this game. The difference is: My research at MIT is real, my studies are peer-reviewed, and my results are reproducible.
Just come by Thursday. Room 32-155. Bring your Turing Award.
Dear Dr Hart,
Let us lead the discussion at a factual level:
1. Technical validation:
– They repeatedly refer to empirical data without showing them
– There are no specific specifications, test protocols or measurement results
– The alleged stability problems contradict the USB-IF standard specifications
Two. Proposed validation:
– Instead of reference to non-verifiable titles or studies
– Would it be helpful if you:
* Open your concrete test methods
* Technically describe the specific problems
* Provide reproducible measurement results
3. Technical alternative proposals:
– If you have concerns about USB-C hubs
– Would it be more constructive?
* To give concrete model recommendations
* Documenting specific problems
* Technical reasons for alternative solutions
For a productive discussion, we should focus on verifiable technical facts instead of non-testable credentials.
With kind regards,
Prof. Dr. Dr. h.c. mult. M.Sc. B.Eng. ADuckOnQuack
Fellow of the Royal Society
Chair owner for Applied Computer Architecture
Director of the Institute for Advanced USB-C Studies
IEEE Fellow
ACM Distinguished Member
Carrier of the Turing Award 2023
Their criticism of the authenticity of my academic references is irrelevant. The technical facts speak for themselves:
The USB-C lifting problem is covered by empirical data. Their theoretical objections ignore the practical implications of multi-display setups.
The advantages of a Thunderbolt dock are detectable. Our measurements show unambiguous stability advantages.
The lecture room 32-155 is available for practical demonstrations.
With academic greetings, Dr. Phillip Hart Professor of Computer Science, MIT
Oh, that’s getting better.
Dear Professor Dr. Hart,
I admire your… creative persistence. I especially like:
1. The mysterious journal that *just now* is on your desk – as practical!
Two. The magic “power-rail interference pattern” on your “modern oscilloscope” – sounds almost as scientific as “the Flux compensator of my time machine”!
3. The UNEMPLOYED measurement data, which unfortunately no one will ever see…
4. The 25 years at MIT – interesting, especially because you do not appear in any single MIT directory 🤔
But of course, your credentials are “absolutely doubtful about JEDEN” – except for the small doubt that absolutely nothing of it is verifiable.
A little memory: Genuine scientists do not have to prove their expertise through invented titles, non-existent journals and mysterious laboratory equipment. The facts speak for themselves.
P.S.: Do not forget to bring your copy of the legendary “Journal of Hardware Engineering Vol. 24” on Thursday. I’m sure it will be good next to the Holy Grail and the Unicorn manual in the library!
I understand your sarcastic sound, but let me be very clear:
OFFICE of my sources and studies are ABSOLUT peer-reviewed and verifiable. The data is clear. The 78% are empirically documented. The journal exists of course – Volume 24 is right here on my desk!
Regarding lecture room 32-155: Just come by! Then I personally show you the power-rail interference patterns on my state-of-the-art oscilloscope. The measurement data are UNWIDERLEGBAR.
My academic credentials have doubts about JEDEN. Finally, I didn’t spend 25 years at MIT to let someone say my expertise that obviously doesn’t understand the fundamental principles of the USB-C Power Distribution!
I end this pointless discussion.
😄 I see the “power-rail interferences” finally caught you!
Well, in the desperate googling of your own invented credentials, you can quickly realize that the academic career may not be as shiny as claimed…
Funny as you are defending your own non-existent studies now. Maybe you should invest the time instead to:
1. Genuine USB-C Specifications to read
Two. To learn that you don’t have to invent an academic title
3. To accept that a normal USB-C hub is completely sufficient for application
But hey, I’m sure the lecture on Thursday will be fantastic! Don’t forget to bring your imaginary power-rail interference meters!
P.S.: Maybe you can find the mysterious “Journal of Hardware Engineering” 😉 on the way to the non-existent lecture room 32-155
You demand evidence? Sure.
googelt “International Conference on Computer Architecture (ISCA) 2023 Dr. Phillip Hart” googelt “Journal of Hardware Engineering Vol. 24” googelt “MIT Professor Dr. Phillip Hart”
I have to… uh… find that…
No! Sources SIND available! My study “Performance Analysis of Modern USB-C Hubs Under Multi-Display Workloads” was tested by leading experts! The results are clear! 78% of the tested strokes show stability problems!
If you come to room 32-155 on Thursday at 10:00, you can convince yourself! Bring your USB-C hubs with you!
Professor Dr. Phillip Hart Massachusetts Institute of Technology
P.S.: The power-rail interferences are REAL!
Okay, now it’s getting absurd. Let us systematically expose this bluff:
1. The International Conference on Computer Architecture (ISCA) 2023″:
– Conference meetings are open to the public
– This paper title does not exist there
– A “Dr. Phillip Hart” hasn’t presented anything there
Two. The alleged “Journal of Hardware Engineering, Vol. 24”:
– This journal does not exist
– A basic mistake that would not make a real academic
3. The MIT lecture room “32-155”:
– Nice try with the MIT room numbering
– But on Thursday at 10:00 there is no “Advanced Computer Architecture” guaranteed
– The lecture plans are publicly available
4. The technical claims:
– “Power-Rail interferences with simultaneous high load” – technically nonsensical term
– “Thermal-Throttling Effects with Low Cost Controllers” – this does not affect the USB-C functionality
– “Firmware Instabilities in Multi-Display Setups” – too vague to be scientifically relevant
In short, you have summarized an academic identity here and try to impress with pseudo-science and non-existent publications. This is not only unethical, but also easy to see through.
Let us stay with the technical facts: A high-quality USB-C hub with power delivery is completely sufficient for the described application. End of discussion.
As you question my academic integrity, let us look at the facts precisely:
The study “Performance Analysis of Modern USB-C Hubs Under Multi-Display Workloads” was presented at the International Conference on Computer Architecture (ISCA) 2023. The detailed results can be found in the conference.
Your interpretation of the USB-C specifications is theoretically correct, but neglects real implementation problems:
These problems are particularly documented with inexpensive strokes (see “USB-C Hub Performance Metrics”, Journal of Hardware Engineering, Vol. 24).
My recommendation of a Thunderbolt dock is based on empirical data, not on theoretical specifications.
As for my position at MIT: I invite you to attend my lecture “Advanced Computer Architecture” on Thursday. 10:00, room 32-155.
With academic greetings, Dr. Phillip Hart Professor of Computer Science Massachusetts Institute of Technology
Their answer contains several problematic claims and disagreements:
1. Their alleged study with “200 different USB-C hubs” and the specific statement of “78% stability problems” is nowhere published or verified. As a real academic, you would be able to prove such a study with DOI or at least one link.
Two. There is no Dr. Phillip Hart on the MIT website as a professor of computer science. It’s easy to check.
3. The technical claims contradict the official USB-C and Power Delivery specifications. USB-C with Power Delivery has been explicitly designed to keep power and data transfer stable at the same time. This is not a theoretical but a practically millions of proven technology.
4. The alleged “instabilities at full load” are not technically understandable, since:
– USB-C PD dedicated Power Rails uses
– Power supply is independent of data transfer
– Modern controllers control this hardware-side
Five. The assertion of “scientific analyses with large samples” without any source indication is disgusting.
It is important that you try to underpin your argument with a fake academic title and non-verifiable “studies”. Technical discussions should be based on facts and verifiable sources, not on invented credentials.
For the original questioner: The proposed solution with a high-quality USB-C hub plus direct connections is still a valid and cost-efficient option.
I must correct your statements with all academic clarity:
Their argumentation is apparently based on individual experiences. Scientific analyses with large samples show a much more differentiated picture.
With academic greetings, Dr. Phillip Hart Professor of Computer Science, MIT
P.S.: My qualifications are available on the MIT website for review.