Questions tagged [multiple-monitors]

For questions about connecting multiple monitors to a single computer either desktop or laptop.

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CentOS7 extend display, two monitors

I am new to CentOS7 and I am trying to extend my display. I have an Intel graphics chip. I connected the second display to the same graphics card and it is currently only mirroring the first display. ...
0 votes
2 answers
24 views

Harmonizing two different monitor setups in Windows 10

I have a work-provided laptop that I work from home with two days a week. My workplace provides two monitors, keyboard, mouse and docking station, so I just plug in the USB-C and it works. One of the ...
1 vote
2 answers
5k views

Excel 2013 crashes when a second monitor is connected for extended screen

I have a laptop that I connect a second screen to (different resolution) and extend the screen (Windows 10). This causes Excel 2013 to crash frequently, sometimes when dragging to the second screen, ...
2 votes
1 answer
5k views

Monitor only works if Legacy BIOS (CSM) disabled?

I have an Asus Q550-LF computer running Windows 8.1 Enterprise. It has a MiniDisplayPort output which is connected to a MiniDP to DVI adapter. I discovered that my monitor was not working the same day ...
4 votes
2 answers
2k views

Synergy - 2 computers, 3 monitors. middle monitor for its own pc

Currently my only PC is my server and a gaming PC. When the server is under a heavy load, gaming performance tanks, so I'm going to be building a gaming PC. The gaming PC will have 1 monitor while ...
2 votes
1 answer
8k views

Vertically aligned extended monitor: One display in landscape mode while the other is in portrait mode

I have a projector (NEC PE410HG), that I want to use in portrait mode, while having my main screen in landscape mode as normal. I can't figure out how to do it properly. If I extend the screen, and ...
0 votes
1 answer
25 views

Second screen to laptop

I have an old laptop (4 year old) on Windows 10. It works fine but does not detect a second screen. Windows is up to date and I am sure the second screen/cables etc work as it works with a different ...
0 votes
1 answer
7k views

How to enable iGPU for dual monitor use?

So, I have an AMD RX 570 GPU with only one output (DVI). It was originally made for mining so that would answer why it only has 1 output. My CPU has an integrated GPU so I wanted to use that for dual ...
0 votes
0 answers
29 views

Why is monitor not sensing display signal from MacBook Pro via USB-C?

I bought one of the newer USB-C monitors (Arzopa 14" A1 Gamut slim), and was able to utilize it connected to a new Windows laptop using only the USB-C connector with no external power connection. ...
0 votes
1 answer
36 views

I'm getting lag to external monitor (slow refresh rate) when using USB 3.0 to HDMI adapter

When I use laptop HDMI port, my external monitor works fine but when I use USB 3.0 type A to HDMI (adapter) then then external monitor is so laggy an works very very slow. Not all USB-C 3.0 has ...
29 votes
5 answers
46k views

prevent monitor switching when closing laptop lid

I got one of those little lilliput external monitors for my laptop. When I close the lid on my laptop, it switches the primary display to external monitor. I want to prevent it from doing this, and ...
2 votes
2 answers
5k views

How do I prevent windows opening on one of my desktops?

I have 2 monitors and a tv screen connected to my computer. The tv is angled so I can watch it in bed but is facing away from my desk (and usually switched off). Sometimes applications open on the ...
2 votes
1 answer
6k views

How to completely disable the display on a MacBook Pro while external monitors are plugged in?

I don't have external keyboard. I use one or two external monitors. I want my MacBook Pro screen to be disabled when external monitors are connected automatically to save power and fix annoying ...
0 votes
1 answer
18 views

shortcut to change main display while in extended mode

I'm using a tablet as my second/extended monitor, I want to find a way to map a single hot key combination to one of my buttons, so whenever I toggle it, it changes my main display to the other ...
0 votes
1 answer
1k views

Display Mode Collage Missing from Graphics options

There are a few similar threads here but haven't solved my issue. In all of the graphics options I can not find collage to make a game full-screen across two same resolution displays. PC: Dell ...
0 votes
0 answers
39 views

How to convert a script using VarSetCapacity to AHK v2?

I have been using the script Advanced Window Snap, which snaps windows to various places of the monitor, which uses the function GetMonitorIndexFromWindow to determine in which monitor a window is ...
0 votes
1 answer
19 views

Bios not showing on external monitor

When I try to get into bios my monitor doesn't display any image on any of my 2 monitors. My PC does keep running but nothing happens after that. I tried taking out the CMOS battery and shorting the ...
0 votes
3 answers
5k views

Fraps with dual monitors

I'm running dual monitors on Windows 7. Is there a way to configure Fraps to record from a specific monitor?
0 votes
2 answers
4k views

Windows multi-monitor setup mismatched identifying numbers [Windows 8.1]

I've got a bit of a strange and rather should-not-happen problem on Windows 8.1 using multimonitor setup. I have two Dell P2314T 23" FHD Touch screen displays which today I plugged in my Surface Pro ...
27 votes
4 answers
29k views

Separate custom scaling levels for each display in Windows 10

I want to set a different custom scaling level for each of my 2 monitors. The "recommended" scaling for my laptop display is 150%, while 100% scaling is recommended for my external monitor. ...
1 vote
0 answers
13 views

Mac like virtual desktop for windows while using dual monitors

I am thrilled to have multiple desktop/virtual desktops to keep my workspace organized and at the same time, I am using dual monitors to make my work more productive (at least I am thinking). What I ...
1 vote
3 answers
4k views

issue in HDMI TO VGA conversion

my laptop have only HDMI and is connected to VGA monitor using HDMI to VGA converter. issue is native resolution of monitor(15.6 inch) 1366x768 is not displayed correctly. around 25% of screen from ...
0 votes
2 answers
367 views

External monitor USB-C with DisplayPort to HDMI works initially and then stops

I have the following setup:- DELL Inspiron 17 5000 series laptop running Windows 10 with 1 x HDMI port 1 x USB-C DisplayPort port 2 x External Acer Monitors each with 1 x HDMI port 1 x DVI port 1 ...
0 votes
1 answer
40 views

Why does a USB-C connected monitor goes blank when an embedded HTML browser video starts playing?

I have a Latitude 7490 i7-8650U 32GB RAM Windows 10 system with 2 external HP 24es monitors. The graphic card is Intel UHD Graphics 620. My resolution is set to 1920x1080. I am using a dual HDMI to ...
0 votes
0 answers
50 views

2 monitors for 2 computers and one keyboard/mouse

So I'm planning on building a new setup, and I'm having a little trouble in getting my head around a couple of things. To simplify things, my setup will have 2 monitors, 1 desktop and 1 work laptop, ...
0 votes
1 answer
38 views

Will multiple monitors or much bigger monitor affect computer performance? [duplicate]

I have two questions about the monitor's impact on the computer's performance: Will multiple monitors affect computer performance? will a bigger monitor (43") slow down the computer's ...
5 votes
3 answers
15k views

Screens move around after screen sleep in Windows 10

When I wake up my screens after they go to sleep (the computer itself is not sleeping), all of my windows move to a single screen. How can I fix this in Windows 10? This answer [1] doesn't work. There'...
1 vote
0 answers
31 views

How to prevent remote desktop window from resizing itself when dragging it on the windows desktop?

Since Windows 10 and now Windows 11 have come out, a "feature" that drives me crazy, is that, whenever you have a remote desktop screen/window open, it 1) opens, partially minimized at the ...
1 vote
1 answer
21 views

surface pro only displays on external screen

I'm doing hardware support at a high school and I have a Surface Pro 7+ running Windows 10 and the screen is blank (black). Weirdly the Windows logo flashes up on the screen for a second when booting ...
0 votes
0 answers
33 views

Only 1 of 2 new 4K displays runs at native resolution

I am clueless what is wrong with my setup that won't use my new 4K screens with their native resolution. Before I would return the screens day after tomorrow, I thought I give it a last try and ask ...
36 votes
3 answers
8k views

How can I stop OSX from combining spaces when I unplug a monitor?

I use spaces with the "Displays have separate Spaces" setting selected on OSX 10.10. In this mode, OSX seems to have a "phantom space" that disappears when a monitor is unplugged, and reappears when ...
1 vote
1 answer
5k views

xrandr would not detect my second monitor

I am using linux, have 2 monitors and 1 laptop (3 screens in total) in my setup. xrandr detect 2 displays (laptop + 1 ext monitor) and I get the same output on both external monitors. $ xrandr ...
0 votes
0 answers
23 views

Why does my Lm722 Monitor only display the screen for a few seconds before turning black?

I have been trying to connect my Acer laptop to my monitor, but whenever I plug in the HDMI cable, it will only display for a few seconds before turning black. I have tracked the native resolution ...
1 vote
2 answers
107 views

Monitors swapping and windows moving on PC wakeup

I just got a new monitor and set it up without issue accept for when the computer sleeps, the tabs get shuffled and the pc seems to mix up which monitor is which. The old monitors are the exact same ...
0 votes
1 answer
145 views

Laptop monitor not detected, only external monitor works

This all started when I had my laptop connected to my TV via HDMI and changed the display setting to "Show only on 2". I then remember opening my laptop and the internal display wasn't ...
0 votes
1 answer
12 views

How to assign a static ID to a display in Linux?

A bit of context first, I've used Yakuake for years now, it's not perfect, it has its bugs here and there but generally works great for me. I have recently moved to using a multiple monitors setup (2 +...
0 votes
2 answers
2k views

Windows 10 dpi scaling with 27 inch Display 1440

The monitor I have is a Dell p2720dc - 27-inch display. Recently I have been using it with all 3 Operating systems. On Windows, although I have set the resolution to 2560 x 1440 pixels I find it does ...
0 votes
1 answer
180 views

When expanding Google Chrome to full screen, a black bar appears at the top

As soon as Google Chrome expands to full screen, a black bar appears on the top portion of the window. The portion is no longer clickable, as if you were clicking on the desktop, you can even transfer ...
0 votes
1 answer
11k views

Does GeForce 710 GT support three displays support? How to? Practice

Recently our company decided to order GeForce 710GT in order to support three displays for multiple PCs. But practically it doesn't work at all. The third display is not recognized by OS and NVidia ...
1 vote
0 answers
24 views

Dell U4323QE monitor not recognizing via USB-C on Acer Predator

I've bought a Dell U4323QE monitor and trying to set it up so that I can start using it. However, I'm not able to get my laptop (Acer Predator Triton PT315-52 running on Windows 11 with Nvidia ...
-1 votes
1 answer
1k views

Use 4K monitor in HD resolution to get clearer text

As I spend 90% of my time reading code and documentation and seeing the display quality of new tables and smartphones I realize that they are way above the text quality I see on my 23" HD monitor. By ...
-3 votes
0 answers
18 views

How can I scale video monitors beyond 16 or however many to have one video displayed across however many onitors or even 64

How can I scale video monitors beyond 16 or however many I wish and have one video displayed across as many video monitors as i wish? Thats my question. Is there an outerbound number of monitors I can ...
4 votes
3 answers
3k views

Alt + Tab How to open only windows from active monitor

I have windows 11 and two monitors. When I press Alt + Tab window switchers shows only on the main monitor and it shows all the opened windows on the system. Is there a way to open window switcher ...
0 votes
1 answer
5k views

Using Virtual desktop in Dual Monitors

i am trying to set a dual monitor rig in windows and i was hoping to see if i can set virtual desktops simultaneously running on two different screens. so far i have tried using different tools like ...
0 votes
1 answer
18 views

How to Prevent Automatic Activation of HDMI-Connected TV When Primary Monitors are Powered Off?

I'm using Windows 11 on an HP desktop computer with an NVidia graphics card, and I have a setup that includes two monitors and one TV. I prefer to keep the TV (connected via HDMI) disabled while using ...
2 votes
3 answers
5k views

Flexibility to have extended and duplicate display with multi monitor setup

If i setup 3 monitors with my CPU, is it possible for monitor 1 and 2 to share an extended display while monitor 2 and 3 to have a duplicated display?
1 vote
1 answer
4k views

How do I lock my mouse within the Remote Desktop window with a dual monitor setup?

I have a dual monitor setup, 24" widescreen primary and 19" 4:3 secondary, turned vertically, on the right side. My workstation is Windows XP, and I am using Remote Desktop to get onto a Windows ...
1 vote
1 answer
812 views

GeForce RTX 4070 won't allow all 4 displays to be used. Only 3 at a time

Yesterday I bought a new monitor to replace an old one, I had one 4k display and three 1080p displays. I replaced one of the 1080p displays with a 4k one and now only three of them work at a time. ...
11 votes
3 answers
23k views

Disabling laptop monitor when external HDMI monitor is plugged in

I can connect my Ubuntu 12.04 laptop to my television via HDMI, and use the TV as a monitor. Unfortunately, it's a second monitor; I want it to be an only monitor. (I get annoyed moving the mouse from ...
1 vote
0 answers
25 views

UltraVNC 1.4.3.6 - Can't find argument when launching from a script that will span over multiple monitors

When running UltraVNC 1.4.3.6, I can span display over multiple monitors when launching the vncviewer.exe and selecting span over multiple monitors checkbox. However, when launching this from a ...

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