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17 votes
Accepted

After changing the motherboard for an identical one, I cannot boot with DisplayPort cable connected in a NVidia GTX960 GPU

During the research stimulated by post this question, I stumbled over a forums.tomshardware thread. I learned there that some GeForce cards' chipsets have an issue with DP ver. 1.3 or 1.4, and the ...
Marcelo Scofano Diniz's user avatar
12 votes

Jury-rig second monitor on school lectern?

I had a similar situation of needing to get presenter view in a classroom. If the computer isn't too locked down, the simplest solution is to connect a display via USB. The most common technology used ...
Moshe Katz's user avatar
  • 3,363
8 votes
Accepted

Jury-rig second monitor on school lectern?

Unfortunately, the lectern computers were all installed in a way that they only have a single video output, and the projector can only show a duplicate of what's on the lectern monitor itself. (My ...
grawity_u1686's user avatar
4 votes

Can't remove phantom display "None-1-1"

ArchWiki describes how to disable a phantom monitor for Xorg. Modify the Xorg configuration (e.g. using a drop-in configuration file at /etc/X11/xorg.conf.d/10-monitor.conf) like so: Section "...
jackrabbit's user avatar
4 votes

Jury-rig second monitor on school lectern?

Having worked in IT in education, you're quite a distance from the "regular" user level. Academics come in all technical skill levels, which don't correlate with their talent nor their ...
Criggie's user avatar
  • 2,479
3 votes

How do you prevent the dock from jumping between monitors in macOS without unchecking the "Displays have separate Spaces" option in multidisplay rig?

I haven't found any solutions to permanently lock the Dock to a single screen in macOS. But you can set the autohide-delay user defaults to a larger value which also affects the time it takes for the ...
bordplate's user avatar
3 votes
Accepted

How to create a hotpluggable dummy monitor in X11?

This is how I did it: Create a xorg.conf file, I've placed it under /root/: Section "Device" Identifier "Configured Video Device" Driver "dummy" VideoRam ...
poldown's user avatar
  • 46
3 votes
Accepted

After changing the configuration, the second monitor stopped working

There's usually a reason why only one is working, and in your case it sounds like it is because you have a video card and want to use the integrated graphics. Some CPUs/Motherboards only let you use ...
e7eth's user avatar
  • 80
3 votes
Accepted

How to convince Remmina to use two displays in a three monitor setup

I found out (by try and error, not via web searches or in the four-page[!, WTF?] User's guide) that the Multi monitor button in Remmina's session toolbar is ought to support exactly what I want: ...
Gerold Broser's user avatar
3 votes

Will multiple monitors or much bigger monitor affect computer performance?

More displays and more pixels DO impact system LOAD (see here: https://technofytrends.com/do-3-monitors-slow-down-computers/) but this does not necessarily mean the computer will run SLOWER. Load ...
music2myear's user avatar
  • 43.9k
2 votes

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

'USB 2.0 BILLBOARD' is an informational device for providing information to the host and also ensuring backwards compatibility. Most likely, in your case it was intended to provide specifications for ...
simon's user avatar
  • 467
2 votes

Alt + Tab How to open only windows from active monitor

I solved this by using Windows PowerToys (free). First use PowerToys FancyZones and create a layout that covers the entire screen, do this by creating a grid zone and then click and drag the first ...
Jakob G's user avatar
  • 21
2 votes

New monitor, colors washed out

A picture of a game is a really poor colour test, but to me the first one looks massively over-saturated - and unless Discord is supposed to have a purple background, the new monitor is doing a far ...
Tetsujin's user avatar
  • 50.1k
2 votes

Jury-rig second monitor on school lectern?

If you're able to install software on the machine, another option is Spacedesk, which allows you to use another device as an external monitor over the LAN or USB. There are client apps for Windows, ...
josh3736's user avatar
  • 4,093
2 votes

Is there any way to set specific monitors to windows users?

Use DisplayFusion or Actual Multiple Monitors Create a display profile for each individual user. This will allow you to select which active monitor(s) in use by that user and save it as a sepeate ...
Mastaxx's user avatar
  • 1,343
2 votes

Downloaded or saved files do not appear on the main monitor but appear on the first monitor amont the three

Because you have Remember window locations based on monitor connection, it may be that all you have to do is to shift the dialog window, when it appears to monitor 3. It should then display on ...
Rohit Gupta's user avatar
  • 3,719
2 votes
Accepted

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

I found similar reports at Reddit: MS Edge randomly has large black bar at the top of the screen. One reporter also shares a solution. Just had the same issue. I have multiple monitors. I opened ...
Shigerello's user avatar
2 votes
Accepted

Harmonizing two different monitor setups in Windows 10

There is no relevant setting in Outlook to control which monitor it opens automatically. However, you can set it in Windows to tick the primary monitor and then Outlook will open on the specific ...
Soki's user avatar
  • 374
2 votes
Accepted

Changing BIOS from PEG to IGD made it impossible to enter BIOS

Couple things: Try using these procedures from your manual to clear the CMOS (just removing the battery would not clear CMOS on a modern MB) Try using a raw VGA cable and monitor (not a digital ...
David Shader's user avatar
2 votes

Two Generic Pnp Monitors in Device manager: how to tell which is which?

The "SAM" is indeed a solid hint it might be the Samsung monitor, but you can be sure, because "CMN14D5" is the product code for a 14" laptop display panel. So that confirms ...
Tanuki's user avatar
  • 43
1 vote

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

Disclaimer: much of theorycrafting in here, based on my limited knowledge about the standard. Take details of this answer with (big) pinch of salt. Everything is possible in engineering if you have ...
Aramil's user avatar
  • 430
1 vote
Accepted

Is it possible to automatically change the multiple displays setting to "Duplicate" when a certain application is open?

You can set the display mode with the built-in displayswitch.exe /clone to duplicate your screen, and displayswitch.exe /extend to extend your screen. Then it depends whether you want to add that to ...
Cpt.Whale's user avatar
  • 8,686
1 vote
Accepted

How can I vertically shift my second display with xrandr?

Thanks to the tip from C. Aknesil, I tried arandr and indeed it worked. It gave me the hint that I should manually specify coordinates for my main display as well. I also found out that --right-of ...
icedwater's user avatar
  • 167
1 vote

How can I vertically shift my second display with xrandr?

You can use ARandR, which is a GUI frontend for xrandr. You can visually arrange multiple displays. It works in i3 for me.
C. Aknesil's user avatar
1 vote

usb c dp alt mode not working on my laptop

Disconnect your Battery! After hours of searching through blogs, I temporarily disconnected the battery within Bios. Powered the machine back on. Full USB C functionality restored. Youre welcome!
Jake Petterson's user avatar
1 vote
Accepted

VirtualBox 7 ubuntu - cannot configure two monitors

Apparently it was a bug in an early Virtual Box 7 build. Now I am with 7.0.12 and I do not face the issue.
Kuba D's user avatar
  • 131
1 vote

Do I need to replace my HDMI port? (ASUS Vivobook, "unsupported format" error with any screen / cable / OS / resolution / refresh rate)

The fact that the issue persists between OS's shows that this is definitely a hardware problem. Although unlikely, try a different HDMI cable, to make sure that isnt the issue. While it could be the ...
Keltari's user avatar
  • 73.7k
1 vote
Accepted

How can I resolve 1 of 2 same-model displays not working in a 3 monitor setup?

Most issues I had have been with passive adapters. With 3 displays, I'd use an active adapter. Also, If you're using docking station...I had a few where only 2 out of 3 outputs are supported at the ...
Max Mustemal's user avatar

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