Questions tagged [projector]

Question relating mainly to resolution problems with display devices used for a greater audience (aka 'beamers').

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4 votes
2 answers
10k views

Projector is not detected by Ubuntu desktop

I'm using an Epson EB-S9 projector and it is connected using a USB cable to the Ubuntu system, but the problem is that the system does not detect it. Below is some information regarding my system: ...
0 votes
1 answer
69 views

Mirror single application / workspace to an external screen / beamer

When connecting an external monitor / beamer / projector to my laptop, I can choose between two modes: Join Displays and Mirror (see here). When teaching, I need a combination of the two modes: I ...
0 votes
0 answers
27 views

Not able to duplicate screen on projector

I updated my Ubuntu version to 23.04: Distributor ID: Ubuntu Description: Ubuntu 23.04 Release: 23.04 Codename: lunar I want to project my screen using an HDMI port of projector, but when I ...
0 votes
0 answers
249 views

Screen mirroring option not found: Ubuntu 21.10

I am using a Dell XPS13 9360 machine and running Ubuntu 21.10. I want to connect a projector (ViewSonic M1 mini) but in settings I don't have any option to mirror my screen. What is the problem and ...
2 votes
2 answers
4k views

Cannot connect to wireless projector (Samsung LED TV)

I installed Ubuntu on my new laptop and I need to connect it to a Samsung LED TV. When I was in Windows 10 I was able to connect to my TV by just pressing the combination of Windows+K. Then it would ...
1 vote
0 answers
63 views

Internet connection breaks when connecting to video projector

I have a problem with internet connection. When I connect my video pojector to the laptop via HDMI and switch for mirror display or other external display views, I lose the internet connection. I have ...
2 votes
0 answers
606 views

How to? Digitally connect to projector with Ubuntu 18.04 or 20.04?

I have two laptops which are exhibiting the same behavior (which is to say no behavior at all) when I attach either to my projector. I have two available cable paths for testing, both yielding the ...
0 votes
0 answers
40 views

cannot use a projector in ubuntu 18.04 . below is my output for xrandr

image showing the output of xrandr the above image shows how i have tried on the issue of projecting in ubuntu 18.04 using an hp probook
0 votes
1 answer
722 views

How can I connect ubuntu 19.10 to a projector?

I am using Ubuntu 19.10 desktop on a asus laptop with Ubuntu DE. My laptop doesn't have a VGA port to connect to a projector directly thus I should get it to connect through HDMI to VGA converter. In ...
0 votes
0 answers
673 views

Xubuntu whisker menu became miniature and desktop shortcuts disappeared since presenting on a 800x600 projector

Not so long ago I gave a talk at a place where the projector needed 800x600 resolution. Sometimes I like to mirror my desktop so I don't get confused between my own laptop screen vs the projector. So ...
13 votes
3 answers
16k views

How should I present a slideshow consisting of PDFs?

I need to present a slideshow on a projector. I know that if I use openoffice it can send a seperate image to the laptop screen and the projector. If I have some other application (like a PDF viewer) ...
0 votes
0 answers
2k views

Projector connection via HDMI port shows only home screen background

My laptop doesn't have VGA port and while connectiong projector from HDMI port by using HDMI to VGA cable the projector only shows the background of the home screen. I've tried both mirror and ...
0 votes
2 answers
2k views

Screen gets a heavy green tint once booted to desktop

I recently changed my monitor from a TV to a projector using an HDMI cable. Now whenever I boot the PC, the colors stay correct during the UEFI screen and the boot splash until it turns green once ...
1 vote
2 answers
61 views

Can't display both projector and built in display simultaneously

I have a Compaq Presario CQ60 laptop connected to an Acer K330 projector using VGA. I can use the built in display or the projector, but it won't let me use both at once. If I pick mirror or join it ...
0 votes
1 answer
2k views

How to use wireless projectors on Ubuntu?

We use wireless projectors in my school and the Windows users can connect easily using the "EZ Display" application. Is there an application for Ubuntu that i can use to project my display wirelessly ...
1 vote
0 answers
240 views

After update to 16.04 LTS, Ubuntu doesn't detect projector anymore

After I updated from 14 to 16.04, Ubuntu (on my lenovo T530) does not detect projectors anymore. I tried a second screen, that works fine. I connect via VGA to the projector. Anyone knows how to fix ...
4 votes
1 answer
821 views

OpenOffice Impress (MS Powerpoint alternative) not linking to Projector

When i connect OpenOffice ppt for projector, it doesnt display or detect anything.While i can run the same in my windows OS installed alongside. I donot know if it is a possible driver problem or a ...
0 votes
1 answer
929 views

Ubuntu GNOME 17.04 - Icons not displaying on projected screen

I recently had to teach the basics of web design to my classmates in college (because my teacher asked me to), and I showed them few examples and practical stuff on my laptop. But when I connected my ...
2 votes
1 answer
260 views

Solution to perspectivicly warp the whole screen?

Is there a way to perspectively warp the whole screen, so i can correct a image which is displayed on a projection screen from a strange angle? Background is, we have a play and i would like to ...
0 votes
1 answer
200 views

I connected my laptop to a projector, and suddenly my desktop doubled itself!

I opened a presentation on my laptop, and connected the laptop to a projector. Then, I opened Settings -> Displays. I saw two displays: my laptop and the projector. I chose to "mirror displays", ...
0 votes
2 answers
63 views

Access to multiple desktops remotely

I would like to know if there is a way to create a script to access multiple desktops remotely. I would have a projector connected to a single machine and I would like to display different desktops in ...
1 vote
0 answers
31 views

LAN casting slides / spreadsheet to an ubuntu projector

A VGA projector is connected to a laptop-docking-bay (LAN connected), that is configured dual boot with 16.04 / Windows XP I would like to boot into 16.04 to display the desktop of aLAN connected ...
0 votes
1 answer
437 views

Control the screen resolution of an external projector with a long cable

I'm using a Lenovo W530 with (soon to be upgraded) 12.10. Whenever I plug-in an external moitor screen resolution discovery is accurate and I can use dual screen mode happily. However the situation ...
3 votes
1 answer
637 views

Projector Doesn't Show Windows

I'm having an issue with connecting my laptop with the projector via VGA port. My laptop runs both Windows 7 and Ubuntu. The projector is working fine with Windows 7, but with Ubuntu only the ...
1 vote
2 answers
14k views

projecto just show desktop background

I'm using a compaq computer running Ubuntu 14.04. I've plugged in a projector and it only projects the desktop background. How can i make it show what's on the laptop screen? I'm an absolute novice, i ...
1 vote
1 answer
2k views

Epson EH-TW6800 projector in ubuntu

I am new to Ubuntu and trying to connect an Epson EH-TW6800 Projector via USB. Nothing is happening. How do I get started from the beginning? I am using: Ubuntu 16.04 LTS processor: Intel® Core™ ...
0 votes
1 answer
18k views

Projector problems in Ubuntu

I have problem related to Projectors whenever I try to use projector for slides "PowerPoint in a class", it connects and disconnects suddenly so normally I can't use the projector at all. I want to ...
1 vote
1 answer
469 views

projector issues with Ubuntu 15.10

A fresh install of Ubuntu 15.10 on HP Pavilion m6. When I hook up a projector or second monitor to this laptop, the display defaults to the second monitor or projector and shuts down the main display. ...
4 votes
1 answer
2k views

X1 Carbon Mini Display works with External Monitor but not Projectors

I have an X1 Carbon 2014 model, and everything seems to work great on Ubuntu 14.04. Recently now I've had to use it twice to give a presentation, and both times it's failed to detect the VGA projector....
2 votes
0 answers
179 views

14.04 How can I adapt my screen to the lower resolution of a undetected projector (nvidia driver)?

I am trying to connect projector on my laptop with a VGA - mini display port adapter. I use an Nvidia card with nvidia-352 driver. The projector is not automatically recognized , but i can get a ...
0 votes
1 answer
1k views

Projection (VGA) issues using Ubuntu 14.04 LTS with Dell Inspiron 5547 (HDMI)

I have a Dell Inspiron 15 5000 series(5547) laptop with Windows 8.1 (64-bit). It has HDMI with 15.6 inches display, with AMD Radeon Graphics and with intel CORE i5 processor. I have installed Ubuntu ...
1 vote
0 answers
186 views

Why can I not connect my laptop to a projector or TV?

When I try to press Fn+F8 to connect to projector or TV, Ubuntu will force logout. I found that my settings can detect the TV. And I also found that nvidia-settings is weird. It failed to detect my ...
2 votes
0 answers
375 views

Ubuntu 14.04 on XPS13 does not recognise projector: could not set the configuration for CRTC 64

I am trying to get my XPS13 to hook up to the projector in the classsroom, but the moment I plug in the cable (using mini-display port to VGA adapter), the resolution on my screen dropped and nothing ...
0 votes
1 answer
1k views

How to lower refresh rate on external display (projector) from 75 hz to 60 hz

I have a projector that is 3D Ready, but it can only handle a refresh rate of 60 Hz to use the 3D settings, yet for some reason it defaults to 75 Hz when I plug it in through the HDMI port (the only ...
3 votes
1 answer
983 views

getting HP laptop to work with projector

I have an HP Pavilion dm4-2033cl laptop (specs here) and am running ubuntu 14.04 LTS. I'm a professor and I need to be able to use my laptop on projectors in different classrooms (all apparently ...
3 votes
0 answers
1k views

How to connect to Projector (EPSON EX7220) wirelessly

I've got my hands on a projector (EPSON EX7220) and I've got it connected to my LAN over Wi-Fi. How might I connect my laptop to it? (Thinkpad X1 Carbon with Ubuntu Gnome 13.10) Any help would rock!
1 vote
0 answers
1k views

Connecting to a projector with HDMI?

I have a HP Envy M6 with AMD A-10 and AMD Radeon HD 8610G. I have installed the propriety AMD drivers. But I am unable to connect to the projector using HDMI. Nothing happens when I connect to the ...
1 vote
1 answer
4k views

Unable to connect Ubuntu 12.04 to a projector using the vga port

Whenever I try to connect my Lenovo G570 with Ubuntu 12.04 64-bit to a Projector, it gets detected, but the display on both, the projector and on my laptop keep blinking continuously making it ...
0 votes
1 answer
3k views

Ubuntu 11.10 cannot connect to projector

I install Ubuntu 11.10 into my laptop with dual-boot. In windows, I cannot output both is laptop monitor and projector. But in Ubuntu, it fail to. Then I install Ubuntu in my pendrive with Unetbootin,...
1 vote
1 answer
433 views

Can I workaround an unrecognized display?

I have an Epson Powerlite 8350; it's not recognized on my laptop, which has an nVidia Quadro 2000M and Ubuntu 13.10, so that the screen resolution is limited to 1024x768. This happens with both the ...
0 votes
3 answers
6k views

Dual monitor, with a low resolution projector

I need to show a presentaion to a conference tomorrow. Today I tryed my Ubuntu 10.04 with the projector. My notebook has a resolution of 1440x960, the projector seems to have a really lower resolution....
2 votes
3 answers
7k views

How can I get the Nvidia driver to drive my projector at 1280x720?

I recently purchased a BenQ W600+ projector that I'd like to use with my ThinkPad T410 with Nvidia graphics running Ubuntu 12.10. The native resolution of the projector is 1280x720 (i.e. 720p), but I ...
1 vote
1 answer
846 views

Showing slide show in the projector

I successfully plugged in the projector in to my Acer 8930G computer, but when I'm tryng to show the slide show (like in Image Viewer or LibreOffice Impress), it begins in my laptop, though I'd like ...
1 vote
1 answer
169 views

TTY1 on Video Projector

Is it somehow possible to display TTY1 or similar to a video projector? xrandr cannot open the display: $ xrandr --query Can't open display I have a ATI graphics card and am not using the ...
0 votes
1 answer
481 views

Acer extensa 5630 becomes slow and function key does not working well when connected to a projector

I connect my UBUNTU 12.04.1 on acer extensa 5630 to a Sony projector for presentation, but the system become slow and function key does not working well, when i pree it my laptop monitor goes off and ...
2 votes
1 answer
1k views

How to config multiple monitor with optimus?

I have an Acer Aspire 8951G running 12.04 Pangolin with bumblebee working beautifully. My problem is that when I connect either the VGA port or the HDMI to my projector there is no way I can see to ...
4 votes
0 answers
10k views

Connecting To Projector in Ubuntu 12.04 [closed]

I tried to connect My new ubuntu version with a projector.But it was useless cause Laptop not identified that projector.Updated my Nvidia Driver also.I installed disper also.but couldn't connect to it....
2 votes
1 answer
683 views

Is it possible to change display settings and apply without logging out like Windows?

When I want to connect a second monitor or projector to my computer, I always have to change display settins, like seperate x screens configuration, and save and logout to apply new settings. It is ...
3 votes
0 answers
814 views

Is there a way I can use wireless projectors? [closed]

I can connect to the projector but I can't seem to find a way to output my presentations to the projector. I'm using LibreOffice and Ubuntu 10.04. I do quite a few presentations at my work and I am ...