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

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3
votes
2answers
10k 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 ...
0
votes
0answers
103 views

Ubuntu 14.04 x64, PNY Nvidia GT730 (nvidia 340.96), dual monitor (DVI + VGA), VGA not detected

Fresh Ubuntu 14.04 64 bit install on desktop machine (dual boot with windows 7/64.) Video display adapter is PNY NVIDIA GT730 (PCI express). NVIDIA driver version is 340.96. NV-CONTROL version is 1....
0
votes
0answers
6 views

Force displayPort Passive

I have a Dell OptiPlex 9020 pc with Displayport According to the specifications of the product I need an active adapter DP++. Right now I own only a passive adapter, is there a way to force video ...
1
vote
1answer
4k views

How do I install Intel graphic drivers on Ubuntu 14.04 for DELL Inspiron N4050

I have DELL Inspiron n4050 i5 4GB RAM laptop and I recently installed Ubuntu 14.04 on it. I need to install graphic drivers on it and don't know how.
0
votes
0answers
13 views

Does the usb 3.0 to vga (or dvi or hdmi or even displayport) function work with the new 4.4 kernel?

I've bought a laptop with a nvidia optimus graphics card and I don't want to activate the nvidia profile every time I want to use an external display. So I thought that a usb to vga adapter could be ...
0
votes
0answers
150 views

no support in amd graphics card ubuntu 16.04

I installed the Ubuntu 16.04 a few days age , since then I had some graphical issues and glitches with this version . first of all I couldn't boot Ubuntu in the UEFI mode so I chose the Legacy mode . ...
0
votes
1answer
4k views

vgaswitcheroo isn't working in Ubuntu 12.04

I always used vgaswitcheroo to turn off my discrete graphic, I did a script to turn off in boot, but now, vgaswitcheroo isn't working anymore, I don't know why... look forbidden404@forbidden404-...
0
votes
0answers
20 views

Connected two monitors showing unknown display

I connected two monitors with a passive VGA splitter... Instead of showing the two monitors in display settings, it is showing me Unknow display.
0
votes
0answers
81 views

getting acpi warnings/errors and vgaarb errors. Running Ubuntu 16.04 on Lenovo Z50-70.

Following are the errors or warning that I am getting. I am a complete novice at Linux, so don't have much knowledge of what is going on. Please let me know, if I am required to post the output of ...
0
votes
1answer
53 views

No VGA output (even grub2) after succesfull install

I installed Ubuntu Server 16.04 on Dell PowerEdge 610 without errors. Booting into the new system all BIOS messages show up on the screen, then VGA output goes black but monitor doesn't appear to ...
0
votes
0answers
158 views

Flickering screen on both external monitors

I recently moved from a Mac to linux , I was able to use 2 external monitors with one connected via HDMI & the other VGA , these are the only ports on my laptop. Ubuntu 14.04 was working fine but ...
0
votes
0answers
61 views

Dual monitor set up, built in display won't stay on

I'm trying to hook up a dual monitor setup to my laptop via VGA port. Problem is that when the external monitor get turned on, my built in display turns off. This is what happens > My GRUB loads ...
0
votes
1answer
152 views

Connecting Second Monitor to Laptop via VGA Cable - Screen detected, but screen says no signal [closed]

I have a ThinkPad T60 and am running Ubuntu 15.10 (I was having this problem on 14.04, so hoped updating might fix it). My second screen is a TV monitor, but I've attempted connecting to other ...
0
votes
0answers
56 views

Weird muted audio issue - 16.04

My audio output devices disappeared after I plugged a VGA cable between my PC and the TV. The following audio test was successful: $ speaker-test -c 6 -D 'surround51:CARD=PCH,DEV=0' Furthermore, ...
1
vote
0answers
85 views

Ubuntu 16.04 + unplug VGA => sleep

I just installed Ubuntu Desktop 16.04 on a little notebook (acer aspire). I will use it as a little linux server. As my screen is dead, I needed to plug an external display with VGA. Everything works ...
0
votes
0answers
37 views

Ubuntu does not boot when connected to external monitor

Dual boot (Windows 10 and Ubuntu 14.04) Dell Latitude E5570 laptop does not boot to Ubuntu: when connected to an external monitor via VGA a black screen appears, whereas same laptop works perfectly ...
1
vote
1answer
39 views

Undeterministic black second screen [Ubuntu 15.10, Dell Latitude 3340 (hdmi) -> IIyama (vga)]

Problem: My second screen works most of the time fine, but sometimes it turns to black and is then difficult to get it back working. This behavior seems semi-random, that is why I find it difficult ...
0
votes
6answers
7k 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
votes
0answers
87 views

Display/Unlock issues with Intel VGA after upgrading to 16.04

After updating to xubuntu 16.04 i encouter the following issues: After booting, my three screens are all mirrored. I can adjust the setting, so it works in general, but i have to do it again every ...
1
vote
0answers
71 views

Google Earth graphics card problem in Ubuntu 14.04 64bit

I am struggling to get Google Earth working properly in Ubuntu 14.04 64bit. The program opens correctly and does not crash, as many report over the web. But it has trouble working with the graphics ...
0
votes
0answers
42 views

Ubuntu ARandR additional monitor setup

I want to setup my laptop to use 2 additional monitors. One from an HDMI input and one from a VGA input. When I try to configure them with ARandR I get this error message. XRandR failed: XRandR ...
0
votes
0answers
92 views

How to set proper resolution for second monitor

I have two monitors Acer K242HL but I am unable to set the second monitor (VGA) to the native resolution 1920x1080. This resolution doesn't appear in the Settings > Display menu and the monitor is ...
0
votes
0answers
126 views

How to install a Driver in Ubuntu 14.04 LTS in vmware?

===========final edit================== actually, you can't install a Driver for a guest os, which is hosted by Windows. Linux may work, I don't know. This link explain this question very clearly. I ...
1
vote
0answers
86 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 ...
0
votes
1answer
49 views

Why Ubuntu 14.04 not Sending Correct Awakening Signal to a Display after sleep?

I have Ubuntu 14.04 which is not waking up a display if left running for the night. I must each time restart the PC and after which the PC detects the signal (using VGA). In the long run, the ...
12
votes
12answers
78k views

HDMI/VGA connection cuts borders of screen or creates blurry text

Ok this is an extension of another problem I had with a VGA connection and an Nvidia Geforce GT 440 card. The question has been updated to include other problems related to HDMI Video and also since I ...
0
votes
0answers
62 views

“Failed to get size of gamma for output default” Really stuck :(

I recently installed Ubuntu 14.04 onto an old Advent laptop, but I'm unable to change from a default 640x480 resolution. The xrandr terminal command displays the error message shown in the title. I'...
1
vote
0answers
18 views

Loading Ubuntu on re-built computer

I'm trying to re-built an old desktop I got hold of. There was no HDD so I added an SSD. I have my USB key with Ubuntu iso file. Keyboard powering through USB, but my first challenge is that screen ...
1
vote
1answer
379 views

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 ...
0
votes
0answers
40 views

How to fix a fuzzy text issue which appears on every application or terminal emulator at random times?

Tried to fix this before by using the "Additional Drivers" with no success because of there is no additional drivers available. Nothing else over the net seems to refer to an issue like this with a ...
1
vote
1answer
777 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 ...
0
votes
0answers
34 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 ...
1
vote
1answer
80 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 work....
1
vote
2answers
480 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 ...
0
votes
0answers
27 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. ...
0
votes
1answer
482 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 ...
3
votes
2answers
649 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 ...
1
vote
0answers
18 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 6400M/...
4
votes
1answer
782 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....
0
votes
0answers
82 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 ...
0
votes
0answers
157 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 ...
0
votes
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
0
votes
0answers
25 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 ...
0
votes
0answers
163 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
votes
1answer
255 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
votes
1answer
332 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 ...
0
votes
0answers
139 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 ...
1
vote
0answers
135 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
vote
1answer
128 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 ...
0
votes
1answer
86 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 (...