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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Secondary monitor not displaying colours correctly

I have an MSI notebook with a Radeon HD card and Windows 7 installed. I use EasyWorship. The colours on the monitor are correct, but when connecting to a projector the white colour is displayed as ...
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1answer
286 views

Is it possible to have two external monitors (without using the built in one) on Lenovo G560 laptop?

I'd like to connect two monitors, and run off both of them without using the main laptop monitor (it's too small to bother with once I've got the 17" ones attached). I have only one monitor port. Is ...
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1answer
1k views

cannot correct color on external monitor

External monitor color is different from internal display. I have a Lenovo W520, 4270CTO, built July 8th, 2011, Win7 Pro, i7-2720QM CPU @ 2.20GHZ. 8GB DDR3-SDRAM (1333MHz) Samsung memory, laptop ...
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2answers
3k views

How would speakers work with dual Thunderbolt displays?

If I connect a Thunderbolt MacBook Pro to two Thunderbolt displays, would it output the sound from four speakers, i.e. 49 watts x2?
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1answer
354 views

How can I force the NVIDIA display to show up on the HDTV as default like I use to?

How can I force the Nvidia display to show up on the HDTV as default like I use to? Details: I have an Acer laptop with a broken screen. I removed the screen completely and set it to load up the ...
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1answer
467 views

Screen buffer is corrupted when resuming from suspend in Xubuntu

I have a ThinkPad x220 and Xubuntu 11.04. At work I use an external 22" monitor with a VGA cable. When my day is over, I tell Xubuntu to disconnect from the monitor and only use the laptop monitor. ...
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1answer
426 views

Is it possible to connect an external Monitor to an Apple Thunderbolt Display?

Well the title says it all but still. Is there a way to connect an external monitor using a DVI->MiniDP converter to the Thunderbolt Port on the Apple Thunderbolt Display?
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1answer
31 views

Showing video-files from an external HD to a display

What's the best/cheapest devices that you can plug an external harddrive into with USB and play it on an external display via VGA/HDMI? It should at least support AVI, but would be great if it ...
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3answers
14k views

Why can't I duplicate laptop's screen To HDTV?

The day before yesterday I bought 2M Sm@rtCom HDMI cable and succeeded duplicating laptop's screen to LG HDTV. Yesterday I tried again but this time the option for duplicating screen did not show up ...
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1answer
119 views

Linux, Secondary Display Being Covered by Black

I'm using Archlinux with Gnome 3.2 and the "nvidia" drivers. I'm using a 15" Apple MacBook Pro with an Apple Cinema Display attached as my secondary display. After about three minutes, the external ...
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1answer
472 views

Suddenly getting “Check Signal Cable” when using external monitor with MacBook Pro

I have a VGA cable that I hook up from mac to the external monitor to make dual monitors. This used to work all the time but now when I connect them together it says "Check Signal Cable" what does ...
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2answers
665 views

Is it possible to send a virtual desktop to another monitor on another computer over the network?

I'm running Ubuntu 10.04 Lucid on an Alienware m15x laptop with the proprietary nVidia drivers. GNOME, Compiz, etc. First, I have two computers, an Alienware m15x laptop (which is my primary ...
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2answers
3k views

Is the picture quality much better using HDMI versus using VGA

I have a Samsung SMB2230H plugged into my Apple MacBook Pro using mini DisplayPort to VGA. I am considering getting an HDMI cable and mini DisplayPort to HDMI connector and was wondering if the ...
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0answers
640 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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4answers
12k views

Should I turn off my PC when plug/unplug external display?

Should I turn off my PC when plug/unplug external display? Some people don't do that, but I think this is required to keep safe your equipment. Am I correct in thinking this?
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1answer
5k views

How do we “freeze” the display on an external display?

I currently have an external display connected to my laptop. How can we temporarily "freeze" the screen of the external display, such that we can continue using the laptop without having the screen ...
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3answers
3k views

How can I switch my primary display used in Windows' Projection Mode?

Windows 7 and Vista has a feature called Projection Mode triggered from Windows key + P. My problem is that the primary display (connected via DVI-D) is identified as the projector (and has been ...
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2answers
5k views

Windows 7 doesn't output via VGA connector to projector

My Acer netbook has a VGA connector for connecting to a project. It came with Windows 7 pre-installed and it has a feature in Control Panel that allows to redirect output to the projector. My ...
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6answers
30k views

3 displays with Dell Laptop (2 monitors + laptop display)

I have a Dell Latitude 8420. It is connected to a dock. Is there any way to have two monitors connected to this setup and also use the laptop screen too? I want the desktop extended on the 3 ...
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2answers
908 views

MacBook Pro with Intel graphics sends no signal to external monitor only in Windows 7

These is the low end MacBook Pro with Intel graphics. All the drivers are up to date. The display works fine with other computers, and even with this computer in OS X. The Intel graphics control panel ...
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1answer
3k views

Laptop screen is cracked, external monitor only mirroring the broken laptop screen

I did something stupid. When my Dell Vostro 1000 laptop screen cracked and went all crazy and I couldn't see anything, I attached it to an external monitor and pressed Fn + F5 and it worked. But ...
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2answers
3k views

HDMI connection to external display does not work (but VGA does)

I have a Sony Vaio VGN-2950 with a HDMI connection and an external monitor: a Samsung 24A350H with a HDMI input. If I connect the laptop to the Samsung via a VGA connection, it works fine. However, ...
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0answers
299 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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0answers
287 views

Default display switches from external monitor to notebook's monitor after login

I'm using ThinkPad x120e with Ubuntu 11.04. I updated the graphics driver using "Additional Drivers" program (AMD Radeon™ HD 6300M Series Graphics.) When I work at home, I want to use my external ...
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2answers
4k views

Can I make Windows 7 and the Nvidia Control Panel “forget” external display resolutions?

I'm currently having a problem with my system where the full 2560x1440 resolution of my Dell U2711 monitor isn't well supported by my ASUS G73S laptop (it has an NVIDIA GeForce GTX440M CUDA with 1.5GB ...
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0answers
272 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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1answer
4k views

How to fix display on external Samsung Syncmaster shifted to the right when connected to Macbook Pro?

Is there something special I need to do to be able to use external LCD displays with my new MacBook Pro? Do I need extra software, or do I possibly need a different cable? I'm attempting to use an ...
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3answers
11k views

Installing Windows on a laptop using an external monitor (main display broken)

I have an HP laptop, and I smashed the display, but I work on an external monitor. I want to reinstall Windows, but the external monitor works only if Windows is installed. What can I do?
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1answer
266 views

Switch monitor configurations on Windows 7

I use one of my PCs for flight simulation as well as for home theater. In case one it has 2 monitors attached, and in case 2 (home theater) a HD TV is being used. All 3 monitors are attached at the ...
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1answer
2k views

Apply display magnification to just one monitor [duplicate]

Possible Duplicate: Dual monitors on Windows 7 - How do I set a different DPI or text size on each monitor? I recently got a new work laptop. It supports a really high widescreen resolution ...
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1answer
306 views

if my screen refresh rate is 60 hertz What exactly does that mean?

if my screen refresh rate is 60 hertz What exactly does that mean? Also, how do i increase/decrease this screen refresh rate?
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3answers
5k views

1080p - MacOS X - Screen / Font rendering very bad

I have a MacBook Pro mid 2009 and a samsung SyncMaster B2230 monitor. I have connected them through the standard display port adapter and a DVI to HDMI connector cable. Now the display resolution is ...
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4answers
21k views

Secondary monitor shuts off when laptop lid close

I have a new dell XPS laptop. My external Dell monitor attached to my laptop.Everything works fine if my laptop lid is open, but if I close the laptop lid, I lose the display on the monitor attached ...
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3answers
7k views

Asus Windows 7 laptop's external monitor has a yellow tint

I bought an Asus G73S laptop and plugged in my old monitor but noticed it had a yellow hue. At first I thought it was the cable but figured out that if I went to display settings and used the ...
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1answer
7k views

Laptop resolution on external monitor?

I own Compaq CQ62 15.6" with Intel HD Graphics card, its max resolution is 1366 x 786, I like to increase the resolution but the only option which I figured out is to get an external monitor, I have ...
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1answer
106 views

Perform action when external lcd is attached or removed from Windows 7 laptop

My netbook running Windows 7 Starter seems to know when I attach or remove my external monitor. But I'm wondering if there is some way to attach a script or action when these events are detected by ...
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2answers
5k views

How many external displays can I connect to the new iMac (May 2011)

The new iMac has just been released with two thunderbolt ports. For those that don't know, thunderbolt comprises of PCI Express and Display Port technology, is also known as 'LightPeak' and is ...
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3answers
2k views

Linux: How to run a script when an external monitor is connected?

How can I detect when an external monitor is connected in linux? I need to run various scripts to set up my workspace. Is there some clever way to kick off a script when the monitor state has ...
0
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1answer
816 views

3 monitors over 2 graphics cards in Fedora

Currently, failing to set up Xdmx correctly, I am trying to use 3 displays with 2 graphics cards in one machine under Fedora 15 and KDE. The 2 graphics cards are an ATI HD4670 (pcie) and (iirc) a ...
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1answer
3k views

Can I force my Thinkpad T520 with NVS4200m to output WQXGA on the displayport?

Edit - this is no longer an issue due to a series of driver updates. Sometime in August/September 2011 (I think, maybe even earlier) an NVidia driver update made it possible to run WQXGA resolution ...
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1answer
1k views

Create “virtual” external display for VNC control?

I have an extra iMac G5 that I no longer use for compatibility & speed reasons, and saw that you can control an additional "virtual" display on an iPhone (such as iDisplay). Is there a piece of ...
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1answer
8k views

Unable to save display settings

When I connect my laptop to an external display at home, it doesn't automatically extend the display, nor will it allow me to extend it. The Windows screen resolution dialog displays the error ...
4
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1answer
1k views

Prevent laptop with external monitor from reverting to built-in screen after waking from sleep

I have a new HP Mini Note running Windows 7 Starter. It mostly stays on the desktop with an external widescreen and whenever I'm not using it I close the lid, thus putting it to sleep. Now more often ...
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2answers
632 views

Nvidia GeForce GT 240M to 3 external monitors?

I have an Acer Aspire 8735G-6502 that has an Nvidia GeForce GT 240M chipset and only one VGA port for an external monitor. I am looking to set it up with something like 3 external monitors, but I ...
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2answers
2k views

Not getting native resolution of external monitor in Ubuntu

Since there us a defect in my laptop screen, I am using an external Dell 1600x1000 monitor. Windows was recognizing the native resolution correctly. But when I installed Ubuntu 10.10, I get only up to ...
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1answer
507 views

Turn off Macbook Pro Display When Using External Display, But Keep Lid Open

How can I turn off the display of a Macbook Pro when using an external display but keep the lid open?
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1answer
1k views

How can I run my HP Pavillion dv4000 laptop with VGA output only (using Win XP)?

I'd like to use my old HP Pavillion dv4000 laptop as a media server by connecting it to a large monitor but I don't really want to have the laptop screen showing output. The screen properties dialog ...
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1answer
208 views

Can Only Extend to External Monitor

I am trying to figure out how to make my external monitor the default display. I am able to connect the laptop with VGA to the monitor and extend display. But when I try to show desktop only on ...
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1answer
102 views

Connecting an external monitor

I plan to connect my laptop to a 22" external monitor. My earlier laptop crashed a few days ago because of the video card problem. I am not an expert in this, but still would like to know connecting ...
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2answers
629 views

Output to TV only works if monitor is plugged in

I am trying to use my TV as the sole output for a computer. The computer has a graphics card with 2 outputs - one VGA and one DVI. I have the VGA output going to the TV, and when the DVI output is ...