Questions relating to vga (Video Graphics Array) display devices and connections

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Screens turn black after plugging in external screen (vga and hdmi)

I have a dell xp13 with the latest Kubuntu. I used to work fine when I plugged in my external screen or a projector (I give presentations all the time). Now all of a sudden (I think I might have ...
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1answer
246 views

Have problem after install nvidia 352 driver

I have Asus N550j I install Ubuntu 14.04 it was workink fine utill I install nvidia 352 driver from Additional Drivers get blunk black screen I removed the driver the welcome login it came back but I ...
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0answers
12 views

During VNC/SSH, push VGA output from host machine

[Very short version: Is it possible to "push" video from the VGA port of a host machine while accessing said machine via VNC or SSH?] I have been experimenting with an old ThinkPad T60 laptop as a ...
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0answers
15 views

14.04, VGA cable to external monitor not displaying

My computer (Lenovo T420) and external monitor are connected through a vga cable. Both recognize that they are connected to each other, but the external monitor isn't displaying anything. Please help. ...
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2answers
144 views

Can I connect dual displays on Thinkpad W541?

I am getting a new Thinkpad W541, 16GB. I am planning to install Ubuntu latest on it. The laptop comes with a VGA and Thunderbolt ports. So I am wondering if I can connect multiple monitors, one ...
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2answers
170 views

Why can't I see 16:9 aspect ratios?

So for a while I have had an old EMA 15" monitor hooked up to my Ubuntu machine running Ubuntu 15.04. The Monitor runs 1024x768 (4:3). At this point all is fine. But I hooked my computer to my ...
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0answers
14 views

running two vga

I am running two VGA as follows WARNING: you should run this program as super-user. *-display UNCLAIMED description: VGA compatible controller product: Seymour [Radeon HD ...
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0answers
46 views

Unable to detect connected display

I have connected a Samsung monitor using a VGA to HDMI converter to my Dell Laptop (has only HDMI). How ever I am unable to see any new screens on Settings > Display. I have tried setting the monitor ...
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0answers
41 views

Cannot change monitor refresh rate via VGA to DVI connector

I am using some old CRT monitor currently with Nvidia g210 graphics. I am dual booting Win8 and Ubuntu 12.04. What bogus me, is I cannot get desired resolution with max refresh rate as I get on ...
1
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1answer
57 views

Second Monitor does not display after reconnecting VGA

I have a dell Latitude 3440 running Ubuntu 15.04. I have this connected up to a second monitor using VGA. As soon as I disconnect the cable and try and reconnect again the second display will not ...
0
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0answers
67 views

How to force the second screen working again ? (intel)

My issue is : when I go to Ubuntu settings it turns off my second screen (mini display port to vga). The solution is to unplug, wait 5 minutes and plug it again. The Super+P action as no ...
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0answers
13 views

VGA driver chooses [duplicate]

What is the best driver to choose Available drivers Laptop specs: AMD Dual-Core E-450 APU with AMD Radeon™ HD 6320 Graphics
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0answers
24 views

XServer driver issue, can't recognise screen and resolution

i'm having trouble with my nvidia drivers. I have a gtx660 and since i installed Ubuntu the screen could not be recognised and so the resolution was wrong. I've got my videocard connected to my ...
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0answers
98 views

Main screen turns off when plugging in second monitor, which doesn't work either

I'm having trouble with gnome 3 and Ubuntu 15.04, I recently installed a dual boot on my Y510p ideapad and got the proprietary gt755m nvidia drivers working (346.96 tested). It works great, except ...
0
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1answer
138 views

Monitor connected through VGA to HDMI converter not always detected

I recently bought a new laptop which does not have VGA output. Since my second monitor has only a VGA input I bought a VGA/HDMI converter. Some important information about my laptop: Ubuntu 14.04.3 ...
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0answers
89 views

Using both HDMI and VGA on ubuntu

I have two external displays that I wish to connect to my laptop using xubuntu 14. One connected to my HDMI port and one to my vga. The monitors are identical (Benq G2220HD). When I try to connect a ...
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0answers
110 views

No correct resolution after installing nvidia drivers

I recently installed the relevant nvidia drivers via the edgers ppa, and it definitely worked because my frame rate in minecraft went from 10 to over 200. But the problem now is that the resolution is ...
1
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1answer
96 views

how to swich from different VGA on Ubuntu 14 lts

What I checked out: sudo lshw -c video *-display description: VGA compatible controller product: Haswell-ULT Integrated Graphics Controller vendor: Intel Corporation ...
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0answers
27 views

Help with connection 2 external monitors to a laptop

i have a Lenovo y40 and i installed Ubuntu 14.04 and i need to plug 2 external monitors, i have one connected to the HDMI port and the other one is plugged in with a VGA to USB adapter, but the ...
0
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1answer
70 views

Right edge of screen hidden (VGA)

I recently got a new monitor, switching from a tv connected via HDMI (borrowed, as my previous one broke), and am using VGA for my home PC for the first time. My problem is that the right edge of the ...
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0answers
153 views

Radeon/Intel hybrid 14.04 VGA controller missing

everyone There are plenty of questions about hybrid graphics (ex. How do I install proprietary AMD drivers for a Radeon HD 6870M / Integrated Intel hybrid graphics?). Every question I found begins ...
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0answers
241 views

No signal when connected to projector

I have an Acer Aspire V5 573g with two graphic cards: the internal Intel card and a NVidia GeForce GTX 850m. Whenever I try to connect my notebook to a projector via the displayport (with a ...
2
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2answers
5k views

Ubuntu 14.04 doesn't detect second monitor

I have a problem with Ubuntu 14.04. Suddenly, my second monitor isn't detected on Ubuntu. It worked fine before. When i try using Windows 7, it is detected. I'm using HP Pavilion G4 1212tx AMD ATI ...
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0answers
273 views

Multi-Display: AccelMethod - conflict between intel and displaylink

With Lenovo Yoga 2-13 Pro device, I use Ubuntu 15.04 and performance is fine with built-in screen (only). In the same way as I do with this device when booting Windows, the device supports well the ...
0
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1answer
187 views

I have no console output on boot ASROCK IMB-150

No video on boot I have a small industrial computer with an ASROCK IMB-150 Motherboard in it, running Ubuntu 14.04 server. Ubuntu boots up fine, but if there isn’t a screen attached at boot time ...
1
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1answer
325 views

Graphic card maximum supported resolution

How can I get the maximum supported resolution for the graphic card? I'm looking for a terminal command to see if the graphic card supports a 4K display. If there is no all-in-one command, then I'm ...
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0answers
619 views

Ubuntu 15.04 vs Nvidia

Using Ubuntu 15.04 LTS on a Compaq Presario desktop computer I have experienced several situations and by reading on here and in other forums, I seem to have narrowed it down to my Nvidia graphics VGA ...
0
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1answer
1k views

My ubuntu (14.04.02 LTS) doen't recognize my graphic card

I installed linux Ubuntu 14.04.02 LTS 64 bit on my computer. I have sapphire radeon r7 265 graphics card and I tried to install the latest drivers following this guide (Installing via the command ...
0
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1answer
207 views

Brightness doesn't work on acer aspire 4741

Please, can anybody help me ? Brightness doesn't work on Acer Aspire 4741. I use Ubuntu 14.10 x64. The screen is too bright and very painful for my eyes. Are there any suggestions for me to get a ...
0
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0answers
313 views

ubuntu 14.10 VGA output to 16:9 monitior “unknown display” 4:3 only, HDMI output correct

when connecting acer s230hl monitor(native 1920x1080 / 16:9) via vga, ubuntu 14.10 display setting shows unknown display and only offers 1024x768 and 800x600 4:3 resolution options, but when ...
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5answers
4k views

Ubuntu 14.04 Nvidia driver fail

i have bought a new Dell inspiron 15 - 3542 that has Nvidia (GM108M [GeForce 840M]). every time i install the Nvidia driver i have a black screen at the next boot, so i need to format again ! which ...
0
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1answer
127 views

Unknown display

I recently acquired myself another display for my computer, unfortunate it had VGA access and my computer only supports DVI. So I bought a converter from VGA to DVI. My problem now is that, when I ...
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0answers
29 views

Movies lagging, probably because of drivers

I'm new to ubuntu, decided to try it out yesterday and study some part of it for entertaining reasons. Of course, I found myself in quite a situation for a new user. My Ubuntu freezes right after ...
0
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1answer
327 views

Changing VGA cable reduces resolution

Already posted on superuser.com here but thought of increasing visibility, hence reposting. I just changed my VGA cable and Debian says my maximum resolution (in display) can only go upto 1024x768. ...
0
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1answer
44 views

Problem with double screen when turn on the PC

when I turn on the pc the GRUB appear in my VGA screen and I want that GRUB appear in my HDMI screen, any solution?
0
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1answer
111 views

Ubuntu conected at VGA port adds a red tint to HDMI ports

I connected one of my computers with an Intel onboard video card to my LCD TV via VGA port, since it is the only video output that the computer has. After installing Ubuntu when I got back to the HDMI ...
2
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1answer
1k views

(Ubuntu 14.10) 3 Monitors on laptop with Intel HD Graphics 4000

I have an HP Touchsmart laptop that has a 3rd-gen Intel Core i3-3120M with integrated Intel HD Graphics 4000. I'd like to be able to use my internal display, an HDMI display, and a VGA display (I have ...
1
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1answer
990 views

Kubuntu - External Monitor not detected

I have a second Monitor now and it's plugged into the VGA Port of my Thinkpad W530. But the monitor is not detected. I have 2 Graphic Units, so it should be able to work with 2 Monitors. I use ...
0
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1answer
269 views

System freezes after VGA output goes crazy

I am running a dual monitor setup with one running off VGA and the other off DVI on a Asus H97 motherboard. Integrated graphics from an i7-4790. And Linux (Ubuntu 14.04.1 LTS updated to the latest ...
2
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2answers
1k views

Ubuntu. VGA to USB driver

I'm having trouble finding information about this. I know there are similar questions, but the only one with an answer is 5 years old and the answer is outdated. I just bought a new laptop, they ...
1
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0answers
141 views

Eeepc Video errors - Ubuntu 14.04.1 LTS

Installed Ubuntu 14.04.1 LTS on an Eeepc 1101HAB I had laying around. Installation was fine. I have two issues: Video is super slow. The fade in and fade out of the application windows is like 4fps. ...
1
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0answers
96 views

No usb, network and recognized vga after 14.04 installation

First I'd like to point out, I found some similar questions for my issu, but I cannot comment on them due to restrictions, so I had to create a new one. I've returned to try ubuntu after several ...
0
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1answer
383 views

Getting USB to VGA to work on ubuntu

I recently purchased this USB to VGA adapter for the third monitor I had and it works great with Windows along side the driver it had for it. However on Linux I can't seem to get it to work. I ...
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0answers
24 views

Forcing VGA1 secondary screen to CORRECT resolution causes display issues [duplicate]

In fact I know that my VGA has 1366x768 resolution as it always was in Windows 8.1. After I switched to Ubuntu I can't go any higher than 1024x768 through Display program. This is how I try to force ...
0
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1answer
318 views

2nd monitor not recognized on boot after upgrade to Xubuntu 14.10

I'm running Xubuntu 14.10 on a old MacBook Pro with a VGA monitor as second display. The displays were set up with xrandr in autostart as following: /usr/bin/xrandr --output VIRTUAL1 --off --output ...
0
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1answer
36 views

Will RAM manage the peripherals or they will have separate memory?

In a LINUX system the Virtual Address Space is 4GB here as the Physical Memory depends on the RAM which we are using. For example I have a system of 1GB RAM and my Monitor requires 256MB in-order to ...
4
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1answer
631 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 ...
0
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1answer
819 views

nvidia-331 +Nvidia Optimus (K2000M, Lenovo W530) + Ubuntu 14.04 + external display on VGA not recognized

Currently I have nvidia-331 installed. But the same problem appeared also with nvidia-343: If integrated graphics is set in bios: everything works fine. (except the VGA port, obviously) If nvidia ...
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0answers
135 views

Laptop detecting VGA port which isn't there. How to disable it? Ubuntu 14.04

Is there a way to disable the VGA port permanently, for all users? My Dell Inspiron 15 (3135) laptop has no VGA port, but System Settings> Screen Display shows the built-in display and a second ...
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1answer
64 views

VGA output for Old pc

I have a acer 5710g, i had some problems about heating and i turned it into a media system just for downloading stuff and watching movies by removing internal screen. However i have some problems ...