Hi to all, I don't know much about it, so I have a question for you. Is it possible to connect two laptops so that one of them works only as a second monitor to the first? Laptops include Lenovo y50-70 which is to be the base and Lenovo Y530 who wants it to be an additional monitor.

And some program that remotely displays on a second laptop via wi-fi or other miracles?

You can try, for example, the program

You mean that you have a damaged matrix in one and you want to display on the other?

Both are operational, but I often work remotely from home and want to use one laptop with an extra monitor connected from the other laptop. One laptop with two screens but independent of each other.

It's best to draw a diagram, because nobody understood what you mean. If you want to have two laptops on one desk and a monitor to have 3 screens from one laptop, it is impossible. If you want to have a connection at home to a laptop at work and a screen from this laptop from work on the monitor screen, and the home screen on a home laptop, it can be some remote desktop program, eg Teamviewer.

There is no such option and the end of the topic - you would have to physically stick to the latpopa matrices. Some older aliens had such an option that had an HDMI input (not an output, but an input).

Installs on both teamwiewer on the same account. If you add them to your account, they will be visible when they are turned on. You can log in from one to the other and vice versa.

Through teamviewer, I will see the same on both screens, and I want to have a word on, for example, and Excel on the other

What systems do you have? In Win 10 there is screen sharing from another computer over the network. I guess it was something from Miracast or derivatives. The equipment had to handle it too. Maybe it can be done. best regards

Laptop as Monitor: Connect Two Laptops - Lenovo Y50-70 & Y530 for Dual Screen Setup

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#1 17624301 13 Dec 2018 14:22

soniax soniax

Level 6

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Post #1
17624301 13 Dec 2018 14:22

Hi to all,

I don't know much about it, so I have a question for you.
Is it possible to connect two laptops so that one of them works only as a second monitor to the first?
Laptops include Lenovo y50-70 which is to be the "base" and Lenovo Y530 who wants it to be an additional monitor.
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#2 17624321 13 Dec 2018 14:39

kindlar kindlar

Level 42

» | Helpful post? (+2)

Post #2
17624321 13 Dec 2018 14:39

Probably not.
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#3 17624424 13 Dec 2018 15:48

soniax soniax

Level 6

» | Topic author Helpful post? (0)

Post #3
17624424 13 Dec 2018 15:48

And some program that remotely displays on a second laptop via wi-fi or other miracles?
#4 17624485 13 Dec 2018 16:18

Dra98 Dra98

Moderator of Computers service

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Post #4
17624485 13 Dec 2018 16:18

You can try, for example, the program https://www.teamviewer.com/pl/
#5 17624736 13 Dec 2018 17:56

KRY5PIN KRY5PIN

Level 37

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Post #5
17624736 13 Dec 2018 17:56

You mean that you have a damaged matrix in one and you want to display on the other?
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#6 17624809 13 Dec 2018 18:24

soniax soniax

Level 6

» | Topic author Helpful post? (+1)

Post #6
17624809 13 Dec 2018 18:24

Both are operational, but I often work remotely from home and want to use one laptop with an extra monitor connected from the other laptop. One laptop with two screens but independent of each other.
#7 17624982 13 Dec 2018 19:22

kaczakat kaczakat

Level 34

» | Helpful post? (+1)

Post #7
17624982 13 Dec 2018 19:22

It's best to draw a diagram, because nobody understood what you mean. If you want to have two laptops on one desk and a monitor to have 3 screens from one laptop, it is impossible. If you want to have a connection at home to a laptop at work and a screen from this laptop from work on the monitor screen, and the home screen on a home laptop, it can be some remote desktop program, eg Teamviewer.

Helpful post? Buy me a coffee.
#8 17625023 13 Dec 2018 19:35

enhanced enhanced

Level 43

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Post #8
17625023 13 Dec 2018 19:35

There is no such option and the end of the topic - you would have to physically stick to the latpopa matrices.

Some older aliens had such an option that had an HDMI input (not an output, but an input).
#9 17625170 13 Dec 2018 20:25

kindlar kindlar

Level 42

» | Helpful post? (0)

Post #9
17625170 13 Dec 2018 20:25

Installs on both teamwiewer on the same account. If you add them to your account, they will be visible when they are turned on. You can log in from one to the other and vice versa.
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#10 17625693 13 Dec 2018 23:25

soniax soniax

Level 6

» | Topic author Helpful post? (+2)

Post #10
17625693 13 Dec 2018 23:25

Through teamviewer, I will see the same on both screens, and I want to have a word on, for example, and Excel on the other
#11 17625821 14 Dec 2018 01:24

icosie icosie

Level 34

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Post #11
17625821 14 Dec 2018 01:24

What systems do you have?

In Win 10 there is screen sharing from another computer over the network. I guess it was something from Miracast or derivatives.

The equipment had to handle it too. Maybe it can be done.
best regards
#12 17626110 14 Dec 2018 10:05

soniax soniax

Level 6

» | Topic author Helpful post? (+1)

Post #12
17626110 14 Dec 2018 10:05

I have Windows 7 and 8.1: /
#13 17626265 14 Dec 2018 11:32

icosie icosie

Level 34

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Post #13
17626265 14 Dec 2018 11:32

It won't work, I searched myself and found nothing.

If you want to use the monitor without cables, maybe you should be interested in HDMI wireless transmission, I tried, but it did not work for me due to the constant re-plugging of the wires (I wanted to save on the number of transmitters and it did not work for me).

best regards
#14 17626490 14 Dec 2018 14:09

Robert B Robert B

Level 43

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Post #14
17626490 14 Dec 2018 14:09

@soniax Get interested in this:

icosie wrote:
Miracast

https://blogs.technet.microsoft.com/mkedziora.../miracast-jak-wysya-bezpwiedzowo-obraz-i-dwik
https://pclab.pl/art57972.html
#15 17626494 14 Dec 2018 14:12

icosie icosie

Level 34

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Post #15
17626494 14 Dec 2018 14:12

@_robert_ B Here I did not know that Win 7 and 8.1 can handle it. Time to get back to fumbling. Thanks!
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Topic summary

✨ The discussion revolves around the feasibility of using two Lenovo laptops, the Y50-70 as the primary device and the Y530 as a secondary monitor. Users express skepticism about directly connecting the laptops for dual-screen functionality, noting that traditional methods do not support this setup. Suggestions include using remote desktop applications like TeamViewer to share screens, although this would not allow for independent displays. Some users mention potential solutions involving Miracast for Windows 10, but compatibility issues arise with Windows 7 and 8.1. Overall, the consensus is that a direct dual-screen setup is not possible without specialized hardware.

FAQ

TL;DR: With 2 laptops, you can’t make one act as a second monitor via HDMI—"There is no such option"—unless it has rare HDMI‑in. [Elektroda, enhanced, post #17625023]

Why it matters: This FAQ helps Lenovo Y50‑70/Y530 users choose realistic dual‑screen options without chasing impossible cabling setups.

Quick Facts

Typical laptops provide video‑out only; HDMI‑in is rare, seen on a few older gaming models. [Elektroda, enhanced, post #17625023]
Miracast sends image and sound wirelessly from a source to a compatible display. [“Miracast — jak wysyłać bezprzewodowo obraz i dźwięk”]
Windows 7/8.1 lack a built‑in way to use a PC as a wireless display, per user findings. [Elektroda, icosie, post #17626265]
Remote desktop tools (e.g., TeamViewer) mirror control; they do not extend the desktop across two laptops. [Elektroda, soniax, post #17625693]

Can I use my Lenovo Y50‑70 as a second monitor for my Lenovo Y530 via HDMI?

No. Laptops generally lack video input, so one cannot act as a monitor for the other. “There is no such option.” A few older Alienware models had HDMI‑in, but that’s uncommon. [Elektroda, enhanced, post #17625023]

How can I mirror one laptop’s screen on another over Wi‑Fi?

Use TeamViewer. Install it on both laptops, sign in to the same account, and connect. “You can log in from one to the other.”

Install TeamViewer on both PCs and sign in to one account.
Add each device so it appears online in your list.
From laptop A, select laptop B and connect. [Elektroda, kindlar, post #17625170]

Will TeamViewer let me extend the desktop (Word on one screen, Excel on the other)?

No. TeamViewer mirrors the same view on both devices, so you will see identical content. It won’t create an independent second display. [Elektroda, soniax, post #17625693]

Does Windows 10 include a way to project one PC to another?

Yes. Windows 10 offers screen sharing from another computer over the network, provided the hardware supports it. This enables projecting to a PC when compatible. [Elektroda, icosie, post #17625821]

Will this work on Windows 7 or 8.1?

No. Users report no working method to use a laptop as a wireless display on Windows 7 or 8.1. Consider other approaches. [Elektroda, icosie, post #17626265]

Could wireless HDMI make my second laptop act like a monitor?

Wireless HDMI can transmit video without a cable, but it does not turn a laptop into a monitor. One user reported failures when frequently re‑plugging cables, highlighting reliability issues. [Elektroda, icosie, post #17626265]

Do any laptops accept HDMI input from another computer?

Yes, but it’s rare. Some older Alienware laptops had HDMI‑in. Most consumer laptops only provide HDMI‑out, so they cannot display another laptop’s video. [Elektroda, enhanced, post #17625023]

Can I use two laptops plus a monitor for a 3‑screen workspace from one machine?

You cannot use the second laptop as the third screen for the first laptop. As one user put it, “it is impossible” in this context. Use a real monitor for extra displays. [Elektroda, kaczakat, post #17624982]

What is Miracast, and could it help here?

Miracast wirelessly sends image and sound from a source to a compatible display. It can help only if the receiver supports Miracast, which some PCs and adapters do. [“Miracast — jak wysyłać bezprzewodowo obraz i dźwięk”]

What do I need for Miracast to work between PCs?

Both devices must support the feature. Check that the sender and the receiver hardware and drivers support projecting/receiving before trying. [Elektroda, icosie, post #17625821]