An external display is a display device, such as a TV, projector, or extra monitor, that is not the primary display for the computer. Use this tag if your question is specific to the external display, rather than about multiple monitors in general.

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Hdmi to dvi oddness

I have a retina macbook pro (with two thunderbolt ports and one hdmi port). I just bought an hdmi to dvi adaptor but it doesn't work right when I plug it into my hdmi port: The monitor goes to sleep ...
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520 views

Incorrect display color when connecting computer to TV

I have a desktop running Windows 7. When I try to connect it to a Sony TV using VGA, the color on the TV's display changes. If I connect it back to a monitor, it looks proper. What is happening?
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62 views

How to connect laptop to monitor and duplicate display?

How do I connect my new Dell inspiron to my dell monitor? I have tried connecting a HDMI cable between both of them and there is no display?
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3answers
1k views

My HP Pavilion g7 is not detecting external monitor. It is running Ubuntu 13.04

I have confirmed that both the cable and monitor are working perfectly. I get No signal and No Display when connecting my Laptop to an external display. The cable is VGA and the person using the ...
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1answer
94 views

Are there any contraindications for using laptop vertically?

I'm planning to purchase a separate monitor for using with laptop (lenovo e520) but due to lack of space on the desk I'm going to put laptop into a vertical position with closed lid. Is there any ...
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1answer
140 views

Can no longer share same window across multiple screens on Mavericks

(with Mountain Lion) I used to be able to drag a screen halfway between two monitors (in multi display) mode and view both respective components of that window on either screen. This allowed me, in ...
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0answers
664 views

Dell Latitude E5430 laptop running Windows 7 - external monitor won't connect to computer

Please help!! I have a Dell Latitude E5430 laptop running Windows 7 64-bit and my external monitor is no longer connecting to the computer. I have been connecting it with a VGA cable and it was ...
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1answer
2k views

Sudden “No Signal” in HDMI-DVI connection

Yesterday I have connected external display Asus VW192C to my laptop Dell XPS 14-L421X via HDMI-to-DVI-D cable. And it worked perfectly fine from start. The day after, Asus screen went blank showing ...
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28 views

Image appears strectched on secondary monitor?

I have a Samsung R522 notebook and a Medion(?) TV, and an ATI Mobility Radeon HD 4330. The problem is, when I plug in the TV into my notebook, the resolution changes on both the notebook and the TV. ...
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1answer
6k views

How can I get 3 monitors working with Intel onboard graphics and a Geforce 560 Ti?

I have an Asus GTX 560 Ti graphics card which has two DVI outputs and one mini-HDMI output. I have 3 monitors I want to connect up which all take DVI inputs. Two monitors work fine on DVI. I tried a ...
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95 views

Disable screen power save mode when external monitor connected

I have a laptop with a HDMI connector (NVidia gfx), is it possible to stop the screen from going into power save mode only when I have something connected to the HDMI connector?
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1answer
297 views

External Dell Display doesn't work with MacBook Pro (2011) after Thunderbolt Firmware Update (1.0 and 1.2)

Today two Thunderbolt Firmware Updates (1.0 and 1.2) became available for my MacBook Pro (Early 2011). After installing both, my external monitor, a Dell U2713HM, does no longer work. The system ...
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2answers
9k views

What is the pixel clock setting on my monitor actually doing?

I am experiencing display interference on a dell 24" flat panel monitor.I find that if I adjust the pixel clock settings up or down in the monitor's on-screen menus, the interference goes away for a ...
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2answers
7k views

Screen brightness randomly set to lowest setting Lenovo ThinkCenter

On multiple ThinkCenter machines at the office, the screen brightness on the desktop displays is being set to the lowest setting. Using the monitor HUD the brightness can be changed again, but doing ...
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1answer
231 views

Connecting 2 External Monitors to a Laptop in 2013? [duplicate]

I know about the 2009 question: Connecting 2 External Monitors to a Laptop? It's 2013 now and I want to know if anything has changed. I want a laptop with two external displays, to make three in ...
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1answer
863 views

Monitor and speaker setup for Playstation 3

I have ordered a PS3 super slim 500GB console, and I plan on connecting it to my PC's monitor and speakers. The monitor I have is the Acer S221HQBD, which does not have an HDMI port. So I would ...
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0answers
1k views

Asus Taichi presenting several issues: Wifi - Keyboard - Display [closed]

I experience several issues with my Asus Taichi 1) The ENTER KEY (either the on-screen and physical keyboard) doesn't respond for a couple of minutes and then, suddenly, starts working and stay ...
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1answer
621 views

External monitor flickering via Displayport

Problem When I try to connect the monitor to the portable through a Displayport cable, the monitor immediately starts flickering. Sometimes it even turns black for a few seconds. When I try the same ...
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2answers
78 views

Updating store display PCs

I have 8 PCs that are in our business lobbies that have a PowerPoint file on a constant loop and I want to find the easiest way for a non-admin person to put up a new PowerPoint file from time to ...
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0answers
63 views

How do I conect to a second monitor when not connected to my docking station?

I used to connect to a 2nd monitor and projectors all the time, but eversince my computer has been connected to a docking station I can't connect to a 2nd display withkout it. The monitor/projector ...
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0answers
257 views

AOC 21" monitor wont' wake up after computer goes to sleep

I have a dual monitor setup. An AOC 21" monitor to accompany my iMac. After waking the iMac from sleep, the AOC monitor doesn't wake up without me having to unplug the dvi cable from the monitor and ...
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0answers
86 views

Single N560GTX-Ti-Twin-Frozr-II with 3 monitors?

With a single N560GTX-Ti-Twin-Frozr-II card, can I output to three monitors? and if so, how? I am currently getting this when I attempt to enable all three monitors:
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1answer
301 views

Run a script when second monitor is connected

I currently have a TV attached to my computer via HDMI. When I set the TV's input to the appropriate HDMI port, it becomes visible to the computer and the computer adds it as a second display. What I ...
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1answer
28 views

Updating multiple displays from a single machine

My use case is similar to the lobby display of a small gym: three displays, each with a different level of refresh: 1. The monthly calendar 2. This hour's schedule of events 3. Streaming video of the ...
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1answer
328 views

Adding a 3rd Monitor to my HP pavilion g7

I currently have a HP pavilion g7 laptop with a samsung 17" monitor plugged in via a RGB port. I am currently considering purchasing another screen so that i can run 3 screens in total. If i purchased ...
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1answer
721 views

xfx radeon 7870 can't support dual monitors

I've been on multiple threads trying to figure this out. I have a few different monitors and only one will work at a time on my computer. I am currently only using the VGA to DVI adapters and only the ...
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1answer
753 views

Does the Samsung NP700Z5A feature a Mini DisplayPort?

These are the specifications of the Samsung NP700Z5A: From these specs, here's a screenshot of one of the port sections: Does the 'Display Port' in this screenshot correspond to a 'Mini Display ...
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1answer
91 views

No signal found Spectre X40 LCD TV, hdmi

I hope this is relevant to this forum. I am attempting to connect a small Android powered device with an HDMI output to a Spectre X40 LCD Television. No matter which port I use, I still receive a ...
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441 views

Dell Inspiron mini laptop - access Bios blind?

I picked up a Dell laptop Inspiron 1018 mini at a school fund raising sale cheap. Screen is cracked so it only works on external screen which is OK, but here is the kicker... we also don't have ...
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1answer
57 views

why my lcd displays like out of signal

My external monitor appears like in image on random time, I have to power off the monitor and on again to get working. It is making me crazy. I am using: Macbook pro 2012 model external monitor ...
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1answer
218 views

Slave a computer screen display through USB port

I usually slave my university computer displays by hooking up a vga cable from my laptop to the screen, but recently the uni has upgraded their PCs and the vga ports are hidden behind a locked port ...
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2answers
748 views

What is the process for diagnosing a ViewSonic Monitor? [closed]

I have a ViewSonic monitor that has been busted for quite some time. I've been researching it and i still have no clue as to why it doesn't work. It doesn't turn on. Or rather, it will turn on, but ...
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External Monitor for LapTop - screen displays “modern art visual”?

Connected a never used (new) HP Monitor to my Dell LapTop 4 days ago. All worked great for 2.5 days. Next time I turned on the laptop the external screen displays a "modern art" visual. I've ...
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1answer
40 views

multiple laptops to monitor

I have a monitor which i have connected to a laptop. The laptop and monitor are connected using some kind of USB wire. This allows me to connect my keyboard and mouse to the monitor. I am using VGA ...
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0answers
412 views

Monitor identified as Generic Non-PNP monitor

My Dell Latitude running Windows 7 64 bit will not recognize my monitor - it comes up as Generic Non-PnP rather than ACER 231H. Based on another comment on this forum, I've run DumpEID: DumpEDID ...
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1answer
763 views

Laptop connected to external monitor results in desktop overflow

I have a laptop (MSi FX600) connected to an external monitor (Toshiba 19AV500U) with the screen resolution set to the monitors recommended setting of 1440x900. The problem is the desktop is ...
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117 views

How is an external monitor recognised?

On Mountain Lion 10.8.2 (and also on Snow Leopard as far as I know) external monitors are somehow recognised and remembered by my laptop. For example: When I change the wallpaper on the external ...
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1answer
281 views

Does a micro-HDMI (type D) cable with an adapter work normally for computer-monitor connection?

I'm considering using a micro-HDMI (type D) to HDMI cable with an adapter on the micro-HDMI end to connect my computer to my monitor. I want to use micro-HDMI because I'm passing the cable through a ...
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3answers
3k views

Closing laptop lid and using external display causes mouse to move on it's own

I plugged my ASUS Taichi Laptop into an external monitor via the VGA Adapter that it comes with. It was working fine, but then I configured a power option so I could shut the lid without it going to ...
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2answers
59 views

How do PC monitor integrated menus work? [closed]

Your PC monitor usually has a menu button which allows you to directly control the monitors configuration like sharpness, aspect, volume, etc.. On mine there is an 'overlay' menu when you press the ...
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2answers
4k views

Having trouble getting full 2560x1440 resolution output from a Mac Book Pro

I just got a Dell U2713hm to hook up to my Mac Book Pro. I thought it was a 2560x1440 monitor but I'm only getting 2048x1152. I'm using the mini display port to VGA, am I just stuck with the lower ...
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0answers
20 views

Viewing Long Documents on Projector Vertically

Is there any such thing as being able to use a projector vertically so that you can view entire documents that are usually narrow in width and longer in length without having to scroll? In our ...
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1answer
138 views

Use a macbook Air for watching TV using thunderbolt

I have a dish tv connection. The receiver has a VGA out port and an AV output port. I want to see the tv on my macbook air. My question is - Can I use a thunderbolt to VGA cable to view TV on my ...
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1answer
55 views

Using extern monitor with multitouch to control pc - which cabel to use? [closed]

I have NEC MultiSync V321 monitor to testing and I want connect it to my notebook. I have hdmi cabel and display is fine but I can't control it. So I am asking if somebody knows that I must do some ...
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1answer
48 views

Laptop as External Screen

I've the following laptop: Samsung 700G7C and I want to use it as external monitor for my DELL Server, wonder if it's possible at all and if so what do I need to do that.
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1answer
941 views

Docking solution for ultrabooks [closed]

I am seeking to interface with my Samsung Series 9 ultrabook through a larger screen and separate mouse/keyboard, ideally in a manner similar to how Lenovos are commonly docked in corporate ...
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3answers
6k views

Unable to get 2560 X 1440 resolution to work

Problem - I can't get 2560x1440 high resolution to work on my Dell 27" U2713HM Monitor. Details - I have a Dell E6520 LAPTOP running 64 bit Windows 8. The highest resolution on the laptop is ...
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1answer
255 views

Remove lvds and use external monitor

My laptop hinges recently broke off and I wish to use my laptop sort of like media player connected to a TV. For now, I can just switch to external VGA display after the OS boots. I want to remove ...
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1answer
217 views

Use laptop display screen with usb

I have a separate HP laptop monitor. I wanted to know if possible how can I use it with another laptop. That means I want to connect a monitor to a laptop. Is there any usb converter for this, to ...
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1answer
514 views

Zotac NVida GT640 2GB Video Card Mini HDMI output

I cannot get my 42" Samsung TV to show my computer on the HDMI cable which has a mini HDMI cable hooked to the computer. It works fine if I use the DVI connections from the tv to the computer but I ...