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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27
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2answers
15k views

What are the advantages of 10-bit monitors?

To support 10-bit color the following are needed: A monitor supporting it. A GPU supporting it (only AMD FirePro and NVIDIA Quadro support this?). Compatible software. Unless I am mistaken there are ...
24
votes
6answers
20k views

Is there any benefit of using HDMI over DVI?

I recently bought a Mac mini. It comes with an HDMI to DVI adapter. I bought a LG monitor that has an HDMI port. My concern is: Is there any improvement when I connect the Mac Mini to the monitor ...
15
votes
2answers
12k views

Connecting a 2560x1440 display to a laptop?

Having read Jeff Atwood's blog post on Korean 27" IPS LCDs, I've been wondering to what extent these are useful in a notebook + large display situation. I own a Lenovo Thinkpad Edge E320 with 2nd ...
14
votes
6answers
2k views

Changing dual-monitor settings without closing the laptop lid on OS X

I have a Unibody MacBook hooked up to an external display. By default when I boot up, the system will go to dual-monitor mode. I want to use only the external display. The Apple supplied solution ...
8
votes
4answers
17k views

What maximal resolution is reasonable when using a VGA cable?

I own a laptop which only has VGA as a port for external displays. I'm thinking to buy an external flat-screen monitor for my laptop. Which resolution should the display have at the utmost so that I ...
8
votes
4answers
36k views

How to reset video/display drivers in Vista without restarting OS?

Currently I have to reboot my system if an external monitor is hooked up for it to be correctly detected and used. I think it would be faster to restart/reset the video or display drivers instead. ...
8
votes
3answers
9k views

Daisy-chainable DisplayPort Monitors

I am the proud new owner of a MacBook Pro with a mini-DisplayPort. My desk setup used to allow me to position the screen of my old MacBook beside an external monitor, essentially allowing dual-head. ...
7
votes
6answers
14k views

Two identical external monitors, one through HDMI another VGA. Text on VGA looks blurry

I've tried a lot of things but I can't seem to get it working correctly. Below is my setup. Laptop is a Dell Latitude E6535, which has Video chip/card NVidia NVS 5200M. I have two external AOC IPS ...
7
votes
6answers
34k 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 ...
7
votes
2answers
644 views

How to tell Windows 7 “sleep when laptop is closed, unless there's an external monitor connected; then use that”?

Most of the time, I would like my Windows 7 laptop to sleep when I close it. But sometimes, I like to connect an external monitor over DVI. I would like my laptop to use the external monitor when I ...
7
votes
3answers
13k views

Cannot enter BIOS due to broken screen

Lately my laptop (HP g42 247sb) screen is damaged, so I hook it up with an external monitor (LG something) and it works fine now. The only annoying thing is I cannot navigate the BIOS menu for some ...
6
votes
4answers
14k 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?
6
votes
3answers
1k views

Can I use a 27“ iMac as a additional monitor for another 27” iMac?

I currently have a 27" iMac i7 with the 512mb ATI card. After looking at prices on other Apple displays it appears I can purchase another low-end 27" iMac (Core 2 Duo basic model) for less than a 30" ...
6
votes
3answers
12k 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?
6
votes
2answers
2k views

Is there a work around to configure brightness or color on a DisplayLink monitor?

I run 3 monitors in addition to my laptop display at work - two of the monitors are using DisplayLink adapters. I've always thought that all my displays were too bright (and possibly give me ...
6
votes
3answers
3k 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 ...
6
votes
2answers
8k views

Why does the screen resolution of 1440x900 suddenly disappear from Intel GMA Control Panel?

I'm using a Vostro 1200 laptop with the Mobile Intel(R) 965 Express Chipset powering its graphics and running Vista 32-bit SP2. I've been using the Vostro with a Dell SE198WFP LCD Monitor as the ...
6
votes
1answer
314 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 ...
6
votes
1answer
3k views

Convert iMac internal LCD panel to external monitor?

My iMac died (power supply issue, out of warranty), so I took it apart to get at the HDD to recover some files. In the process, I managed to remove the LCD panel. My question is: is it possible/does ...
5
votes
2answers
2k views

Start Macbook with lid closed

I want to use my Macbook (early 2010) lid-closed with external monitor, keyboard and mouse. Is it possible to start it lid closed? For example to use it in a Henge Docks station?
5
votes
4answers
25k 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 ...
5
votes
1answer
446 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?
5
votes
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 ...
5
votes
1answer
3k views

Prevent laptop from going to sleep when I close the lid, but only if I'm connected to an external display

When I'm connected to an external display, I would like to close the laptop without it going to sleep. When I'm not connected to an external display, I would like to have closing the lid put the ...
5
votes
0answers
1k views

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 ...
4
votes
2answers
6k views

What is the maximum resolution that a Thunderbolt monitor can display?

The new MacBook Pro has a resolution of 2880 by 1800 pixels. I don't know how the GPU is connected to the monitor, but a more important question for me is: if there were standalone Retina displays, ...
4
votes
6answers
784 views

What applications can utilise the Logitech G15 LCD screen?

I am about to pick up a new computer today, complete with a Logitech G15 keyboard. I primarily play Team Fortress 2, though certainly not exclusively. I believe I can use Fraps to report on the ...
4
votes
3answers
5k views

Is it possible to use a laptop as an external monitor?

I need to create a multi-monitor setup for my desktop computer but I have no additional monitors with me right now, aside from my laptop. Is it possible to use my laptop screen as an external monitor? ...
4
votes
3answers
8k views

How to find the maximum resolution supported by the graphics card?

I have an older laptop with a Mobile Intel(R) 945 Express Chipset as its graphics card. At the moment, it connected to an external display with a resolution of 1680x1050 (this is the native ...
4
votes
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 ...
4
votes
3answers
4k views

What resolution can the eeePC 1001HA/1101HA handle with an external monitor plugged in?

I would like to buy a new Eee PC 1001HA or 1101HA. I know the max display resolution is: 1024x600 for eeePC 1001 1366x768 for eeePC 1101 But what's the maximum resolution of the graphic board when ...
4
votes
3answers
7k views

Laptop + 2 Displays Issue

I'd like to extend the display of my ASUS N53SV-SZ038V to two external monitors. The laptop has one HDMI output and one VGA output. I have each connected to an external monitor. The problem is that ...
4
votes
1answer
1k views

Calibrating external monitors (HDMI, Mini DisplayPort)

I have a Dell XPS L502x laptop and two LG IPS235 monitors. One of them connected through HDMI-HDMI, another through Mini DisplayPort - HDMI. Although these are the same monitors, if I set them to ...
4
votes
3answers
9k views

How to turn off the laptop monitor when using an external monitor?

I have a Toshiba Laptop and I have searched all over the place for a solution to the following problem. I use a Toshiba DynaDock to connect to an external monitor. I used to have Windows Vista, and ...
4
votes
1answer
433 views

Black screen when macbook returns from sleep

I have a macbookpro unibody late 2008 15p and use OS X Lion, 10.7.3. I use always an external monitor and close the lid. When I finish my work day I put the macbook in sleep mode and it switches off. ...
4
votes
1answer
3k 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 ...
4
votes
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 ...
3
votes
4answers
21k views

Can a DELL Latitude E6420 run 3 external monitors?

I am trying t find out if there is a way my DELL E6420 can run 3 external monitors? I currently run 2 with the laptop screen as the third using a Dell docking station. The docking station still ...
3
votes
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 ...
3
votes
3answers
3k views

Can the Asus Zenbooks be used safely with their lids closed?

From all the images of the Zenbooks that I've seen, it would appear closing the lid would obstruct most or all airflow, potentially overheating the machines. Is this the case? Can they be used with ...
3
votes
3answers
7k views

How to quickly switch monitors on multi-monitor setup?

At my desktop PC, I have 3 displays hooked up on my Palit GeForce GTX 480 to extend my desktop: DVI: Samsung SyncMaster T220 (22" 16:10, 1680x1050, as my main) DVI: Samsung SyncMaster 940BF (19" ...
3
votes
4answers
4k views

13" MacBook Pro with Win 7 and External VGA gets 640x480 [duplicate]

Possible Duplicate: Windows 7 + NVidia == 640x480 on external projectors I have a brand new 13" MacBook Pro - 2.26 GHz and the NVIDIA 9400M Video card. I installed Windows 7 (final) in ...
3
votes
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 ...
3
votes
1answer
225 views

How can I make apps launch on an external monitor?

How can I make my apps launch on an external monitor instead of on my MacBook's built-in monitor?
3
votes
5answers
9k views

Windows 7 on MacBook Pro w/ External Display

Windows 7 is not recognizing my external display on my MacBook Pro. It has an NVidia GeForce 9400, but windows is just using it's generic pnp driver. I've tried downloading updates from NVidia, but ...
3
votes
3answers
7k views

Disable laptop's display on boot when used with external display

I keep my laptop tucked away and solely use an external display with it via HDMI. In Windows 7 display settings, I have it set up to "Show desktop only on 2 [my external display]" This works fine in ...
3
votes
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 ...
3
votes
2answers
2k views

Can I connect two other monitors to my Dell Studio XPS?

I currently have a Dell Studio XPS laptop that I connect to an external monitor with the standard VGA output. I have also bought a Display port to DVI connector that I would like to connect to ...
3
votes
2answers
3k views

Prevent Windows from resizing all the apps on the desktop when switching monitors

Short version: When moving my laptop and sleeping between using different monitors, all my open windows are crammed into the upper left corner as if they tried to fit on the laptop internal screen ...
3
votes
2answers
7k 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 ...