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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Static / snow on external display when waking up Mac

I have a Philips 222E display connected via a mini-DP to DVI adapter and DVI cable to a Macbook Air (mid-2011). Every time that the MBA wakes from sleep, the display shows this static: The static ...
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26 views

Configure three screens backed by two graphic chips in a laptop under Linux

I'd like to connect two external monitors (one via HDMI, one via VGA) to my HP ProBook 4330s LW813EA laptop, while keeping the laptop screen on as well. The Intel HD 3000 graphics embedded in Core ...
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144 views

How to select video connector between laptop and external monitor?

I want to connect a Lenovo ThinkPad X1 Carbon laptop to a Dell 2408 WFP external monitor. The ThinkPad laptop has a 14.0" WQHD (2560x1440) onboard display. It has Mini-DP and HDMI ports, and via a ...
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118 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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430 views

Using a tablet as a monitor

I would like to use a tablet (open to any at this point, just want something light) as a monitor as well. For example using a Nexus 7 as a monitor so I can see the post output of a PC.
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52 views

Monitor not displaying windows 7 correctly

I have just got a 15" Digimate TFT LCD monitor. I'm running Windows 7. Now the icons are too big, as are the windows in both browsers and word processing software - and everything has a bit to the ...
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13 views

Monitor blinking when I plug an audio jack

My Dell Latitude E7440 laptop is connected to a Dell U2312HM monitor like so: laptop -> HDMI cable -> HDMI-DVI adaptor -> monitor. Sometimes when I plug or unplug the audio jack from my ...
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18 views

Samsung P2250 odd flickering

I noticed odd flickering on my external monitor, connected via HDMI. It alternates between black and brown, as seen here: https://www.youtube.com/watch?v=C7xJlCRTLZ8&feature=em-upload_owner The ...
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35 views

How can you mirror a high-resoluton screen?

I just bought a 1440p 21:9 monitor that I had planned on using wirelessly with my laptop from across the living room. I tried using a Miracast dongle (a Microsoft Wireless Display Adapter) but it will ...
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1k views

OS X Yosemite fonts jagged/blurry on external monitor

Anyone have any suggestions on possible fixes for jagged text on my external monitor hooked up to my rMBP? I am using an ASUS MX279H monitor. The text is pretty jagged everywhere. Safari, Messages, ...
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56 views

VGA output looks smudgy

I am using Windows 8.1 on a Lenovo G 580 with an Intel HD 4000 graphics chip. The external monitor I use is a HP Z24i and my problem is not only the max resolution that can not be reached (1920x1200, ...
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31 views

Split Signal from Gateway NV59C

Using Gateway NV59C, Windows 7, VGA and HDMI outputs. Can I push signal to 2 extended displays (TV's) while the built in laptop display is "sleep." Currently using VGA signal because HDMI is not ...
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194 views

Secondary (extended) monitor turns off when I remove power cable from my laptop

I have a 2 monitor setup. An extended monitor that connects to my Lenovo Thinkpad T530. When I removes power cable from my laptop to run it on battery, the secondary (extended) monitor turns off. Can ...
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676 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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97 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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89 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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457 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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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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106 views

Any option to turn off laptop display when I remote login to it from desktop?

My laptop has Windows 7 Enterprise Edition (Dell latitude E5420). I am using MSTSC on desktop computer, which also has Windows 7 Ultimate installed on it. Is there any option to turn off laptop ...
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393 views

Display monitor pivot software

I've acquired a Samsung SyncMaster 172N which (when originally sold) had the software to pivot it. I don't have the original disks. I've tried to use the LG Forte Pivot Softweare which came with my ...
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469 views

High resolution monitor (2560x1440) to NVIDIA 9700M with HDMI

I have an Acer Aspire-8930G laptop and I want to connect it to my 27" screen. The graphic card is NVIDIA 9700M, which supposedly supports up to two screens with 2560x1440 resolution. The laptop has ...
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523 views

VLC is cropping my video for projector display

Context: What works: I'm trying to set up my VLC so that it displays through a projector. I set up my screen with two monitors, and set up VLC to have DirectX drawing to draw to the other screen. That ...
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62 views

Need to check whether my invercard or my graphics card is bad

I have a Dell vostro 1500 laptop and my display is not working. I mean by not working is it is not showing anything on the screen except some vertical lines..when i connected the external monitor it ...
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643 views

Enable/Detect external monitor from XP command line

Is there a command line utility that can enable (and clone) an external display in Windows XP? In Windows 7, we can do C:\Windows\System32\DisplaySwitch.exe /clone Is there an XP equivalent to ...
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115 views

Automatically switch between monitor 1 and monitor 2 every x minutes

At work we are planning to install 2 display monitors back to back (so at most one display can be seen by any person). There will be 1 computer that will display a different application on each ...
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262 views

My EliteBook is not auto picking 1080p for external monitor, poor display on forcing

I'm connecting my Samsung LED S22A300B to my HP EliteBook 6930p through VGA out. Laptop has Intel 4500MHD video card. I have latest drivers installed for both card and monitor. Only 800x600 and ...
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168 views

How to switch to laptop screen from external display automatically on power loss?

I recently got a external LCD display for my laptop. It is connected via the VGA port. I am using the "Projector Only" mode by pressing the Fn+F3 function on my laptop. This makes the laptop's screen ...
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319 views

External HP monitor has black border with Dell Windows 7 laptop

I have a new Dell laptop running Windows 7 and connected an extra HP S2031 monitor I had through a digital cable. It has an Intel 3000 chipset. I now have a black border around my screen on the HP ...
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337 views

Horizontal offset on second monitor over VGA only (osX)

Im running osX 10.7.4 on a macbook pro and for some reason my second monitor is playing up. If I connect via VGA I have a horizontal offset of about 200px (more than I can manually adjust for in my ...
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217 views

Can you make Windows treat an external display exactly like an internal one?

I have Windows 7 Home 64-bit and a monitor attached to my desktop over DVI. Is there any way to make the system think that there is no external display attached or to make it think that the display ...
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671 views

My Linux Mint install won't keep displaying on my external monitor properly

I installed Linux Mint (although I think I used to have the same problem on the latest Ubuntu 11.04 too) and I only have one problem. I plug an HDMI cable into my laptop to put the display on my ...
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305 views

ubuntu11.04 blackscreen when external monitor connected

my thinkpad x201i has ubuntu 11.04 installed. i try to connect an external monitor(a HP LCD) to the laptop. it worked at first time, everything is fine. but when i connect the monitor the second time, ...
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278 views

Use different display settings for the welcome / logon screen than my desktop? (Windows 7)

I vaguely recall back in the days of Windows XP that I could set up my display settings as "Administrator" and they would apply to the logon screen. However, once I log in my user settings could ...
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656 views

Dell Inspiron 9300 Laptop forgets External monitor (Westinghouse LCD TV) resolution setting on reboot

When I hook my laptop up to my LCD TV via the VGA cable it always starts off with a resolution of 1280x1024. I change it to my desired setting 1920x1080 and all is well until I reboot the computer and ...
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149 views

Second display freaks out when waking from sleep

I have two laptops, an older white MacBook and a brand new Macbook Pro. When either computer is on my desk, I connect it to a second, widescreen display (Acer, a couple years old, uses DVI). The ...
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17 views

Installing WINDOWS - 7 WITH secondary display enabled from the time of installation

We have MINI ITX motherboard, This board supports multiple display option VGA, LVDS..For this configuration we prefer only LVDS. Currently, we are migrating from LINUX to WINDOWS,Initial installation ...
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15 views

How to extend your monitor to a new X display

The setup is the following: My university provides monitors for groupwork that allow sharing your desktop via x11vnc -connect <address_of_the_monitor>. However, the desktop is then displayed ...
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18 views

External display as primary display on boot

So a few weeks ago I accidentally destroyed my laptop screen, but the rest of it works fine. I've got to a point where I need to format my laptop completely and reinstall windows through the recovery ...
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33 views

Tv and Computer connection HDMI

Using A DVI to HDMI adapter on my GPU connected with an HDMI cable to my HDMI slot on my LG TV UN32E5000. My TV loses connection when my PC sleeps or I push Ctrl + Alt + Delete. TV has latest ...
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169 views

Blurry text on external monitor with High DPI Windows laptop

I have a Fujitsu u904 with 3200x1800 display and Windows 8.1. I had to scale my DPI to 200% to be able to read text on it. Of course I was expecting a lot better image scaling, since this is 2x ...
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17 views

having 4 separate desktops on one display, each working by itself

I want my HDTV to act as it would be 4 separate desktops, so I can have 4 videos recorded at the same time on the same screen. Is there any possible solution to that?
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50 views

No display to external monitor

Checked a bunch of related questions and don't see the same issue. My lenovo T430s recognizes my VGA to external monitor (Samsung SyncMaster920ew) but the monitor stays blank. The laptop adjust the ...
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118 views

Is it possible to force 2560x1440 over HDMI on mid 2010 Macbook Pro?

I am trying to use my mid 2010 macbook pro over one of the two available HDMI ports on the monitor (displayport taken by primary pc). Whenever I connect with the equipment below I can only select ...
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111 views

My external display is bad with mac book retina display

I have mac book pro retina display 15". I have BENQ monitor GW2450 My the display is not clear and font looks very bad like some white dots in all fonts. Loks like resolution is not right. In the ...
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29 views

Put macbook display screen to sleep but leave external monitor on?

Im connecting my macbook to my TV via the mini display port. If I put the laptop screen to sleep (via a hot corner) the TV screen also goes dark. How can I put the laptop screen to sleep but leave the ...
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70 views

Window Chrome on Task Bar, Desktop IE, scaling incorrectly on Windows 8.1 on SP2 with an extended desktop to an external display

I have a surface pro 2, and an external monitor attached via mini display port adapter. I have UNCHECKED the "let me choose one DPI for all screens", and everything is great except I have one fly in ...
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36 views

Close lid on macbook air without changing primary display to the external monitor

When I connect my laptop to a TV, I need to use the touch pad to control the mouse, so the lid needs to be open. So I drag the video player's window to the TV and then want to start the movie and ...
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43 views

External monitor display cuts in and out

I have a HP Pavilion 25bw external monitor that is connected to my lenovo T420s via a displayport to hdmi cable. When I boot into Ubuntu I have no issue but when I boot in Windows (7 or 8.1) the ...
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263 views

Fuzzy image on Emerson LF320EM4 TV when using HDMI

I have a Dell Inspiron 17" laptop with an Intel HD Grapics 4000 video card, running Windows 7. It's also connected to an Emerson LF320EM4 TV via HDMI. All I want is a crisp image, but I am having ...
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25 views

Tint2 thinks external display is number 1

I am using XrandR to give my Arch Linux laptop an external display. I'm struggling with one thing, though: My taskbar thinks the external display is number 1. This is a problem because it means my ...