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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Lenovo G580 external monitor resolution issue using VGA

I am connecting an HP S2031 monitor to my Lenovo G580, running Windows 8.1. When I connect the HP monitor as an external extended display through VGA (it does not have an HDMI), in the Screen ...
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23 views

Unable to use 3 displays (incl. laptop) at the same time

I have a DELL E6540 with the following specs: i7 4610M (supports 3 displays according to Intel) AMD Radeon HD 8790M Intel HD Graphics 4600 1 HDMI port 1 VGA port Windows 8.1 Enterprise I think ...
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2answers
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External monitor not working after starting in safe mode

I was having some troubles with my computer's antivirus so I had to restart my computer in safe mode. It successfully booted back up but my external monitor I have to use isn't working when I plug it ...
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Dell monitor S2240L HDMI full screen issue

I have recently purchased the Dell S2240L 21.5 inch LED Backlit LCD Monitor with HDMI and VGA cable connection. It works great but it is not working full screen. I am using HDMI cable connection. I ...
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1answer
41 views

How to run 2 external monitors on Dell n7520 laptop

I'm having the n7520 Dell Inspiron notebook, and i'm trying to connect 2 external monitors to it, meaning i want 3 functional monitors at all. i have bought VGA splitter and have 2 monitors connected ...
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2answers
29 views

Is there a way to move open window between linux machines?

I have two computers, both of which run Linux. My main computer is where I do most of my work on and my large display computer which sits in another room from which I give presentations and play short ...
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1answer
69 views

Force MSI To Uninstall

How can I force this to uninstall without the MSI? The MSI is not on the website and I tried extracting the MSI... even installing with the EXE gives the exact same error below:
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25 views

hdmi screen extend lagging and no sound

When i use my tv as an external monitor (hdmi screen extend) it workes fine until i choose my tv as default speaker. then all my videos starts to lag and there is no sound what so ever. When i was ...
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Determine the status of external displays in OS X from a script (at the command-line)

I'd like to configure my Vim, tmux, and some other things differently depending on whether I've got external display(s) attached to my laptop. (For instance, my external displays are usually further ...
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1answer
18 views

My new monitor seems to have a yellowish tint. Is there any way to deal with it?

So I bought a new monitor http://www.samsung.com/us/computer/monitors/LS27D590PS/ZA to connect to my MBA. However it seems to have a quite obvious yellowish tint with its display. I also encountered a ...
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59 views

HP laptop won't output to external monitor after attempted windows 10 update

(REPOST) I have a Windows 7 HP laptop with a damaged screen so I have it connected to an external monitor via HDMI. When I attempted to update to Windows 10 last night it didn't restart after the ...
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1answer
3k views

Will windows 10 automatically detect my external tv/monitor?

I have a windows 8, now 8.1 hp laptop with a damaged screen. I wanted to know if I upgraded or did a clean install to windows 10, would it automatically recognize my external monitor/tv. When I had 8 ...
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262 views

WIndows 10 external monitor

I have a windows 8, now 8.1 hp laptop with a damaged screen. I wanted to know if I upgraded or did a clean install to windows 10, would it automatically recognize my external monitor/tv. When I had 8 ...
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38 views

DisplayPort MST and HDMI adapter

I have a Dell u2715h monitor which has both a DisplayPorts in and a DisplayPort out. It claims to support DisplayPort 1.2 and MST (Multi-Stream Transport). I do not have a second DisplayPort ...
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1answer
39 views

xrandr would not detect my second monitor

I am using linux, have 2 monitors and 1 laptop (3 screens in total) in my setup. xrandr detect 2 displays (laptop + 1 ext monitor) and I get the same output on both external monitors. $ xrandr ...
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1answer
17 views

How to stop Sublime Text 3 from changing font size on different sized screens

I've recently just installed AirDisplay 3 on my iPad so I can use it as a second screen for my MacBook Pro retina (with Yosemite). It works brilliantly with everything so far bar ST3. As soon as I ...
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3answers
285 views

My computer doesn't recognize the monitor's resolution on some VGA cables, what's going on?

My Mac doesn't recognize my TV's resolution on (so far) 3 VGA cables I've tried but it works just fine using other seemingly old VGA cables. My roommate had the same experience on Mint Linux. What's ...
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55 views

External monitor flashes occassionally only while power cord is plugged-in

I have a Thinkpad laptop (E550 to be exact) with an i5 CPU and Intel HD 5500 GPU running with Win 7. Since two weeks, while an external monitor is connected (to the VGA port) AND the power cord is ...
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1answer
15 views

How do I get the screen on my PC to appear on my TV screen? What do my settings need to be?

I have Screen A and Screen B. My PC shows screen A, while my TV shows Screen B. Oddly enough, Screen A is hidden on the left side of my TV screen. How do I get Screen A to show on both TV and PC? ...
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1answer
189 views

Dell Latitude E5540 doesn't recognize external display

I stumbled over this problem when I connected a projector to my E5540's VGA port and the laptop simply failed to detect it. Even restarting the laptop did not make it recognize the external display. ...
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1answer
34 views

I can't use the bios on an external monitor

I have Samsung npc300esc and my screen is broken. I have connected it to a external monitor but the bios doesn't connect to it. I tried all FN+FKEY but nothing happen. What can I do?
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28 views

External monitor flicker - probably when CPU usage is higher

I have Fujitsu UH554 ultrabook. At work I'm using Acer external monitor, via HDMI. At home I'm using HP Pavilion external monitor via HDMI -> VGA convertor. Sometimes if I'm at work (on Acer monitor ...
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1answer
68 views

Windows 8.1 Laptop; Is there a way for closed lid to cause sleep but not when there is a monitor hooked up?

Is it possible to make a laptop sleep when the lid is closed UNLESS there is an external monitor that is plugged in? Perhaps a registry hack or third party software? The control panel power settings ...
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1answer
51 views

Is my monitor faulty and I need to return it, or is there a quick fix?

I just bought a BenQ RL2455HM monitor. I was really excited until I opened the box, connected the power lead and turned on the monitor to see that it is not working properly. I cannot post any ...
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33 views

ASUS monitor turns off, replacing the power cord works for a while then it happens again

My ASUS monitor is turning off a couple of times a day and is unable to be turned back on. I discovered that replacing the power cord allows it to turn on again, and in fact if I just plug in another ...
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1answer
45 views

3rd Monitor in a dual monitor setup with switch leaves one blank

I have basically a dual monitor setup which works well. I have however, until recently, had a switch in place to switch to a third monitor which has the same screen resolution as the lowest resolution ...
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1answer
36 views

With Broken Laptop Monitor and Good External Monitor on Toshiba With Windows 8.1, How to get past boot difficulties?

I have listed my parameters in the title. Something is wrong with the boot process, I never get to the point where my external monitor is used. I tried this awesome blind navigation sequence which I ...
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0answers
176 views

No HDMI output on Debian 8 laptop

WHAT DOESN'T WORK: I'm running Debian 8 on a Dell M4800 laptop and I'm unable to get it to talk to a new external monitor via either HDMI or DisplayPort. The Debian 8 (Mate) Live USB also does not ...
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2answers
39 views

Laptop projecting to second screen gets extremely hot

I have an ultrabook which gets extremely hot when projecting to a second screen via the HDMI port. I'm not doing anything I wouldn't normally use the laptop for, so it's specifically when it's ...
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19 views

Manually apply f.lux settings to directly to monitor

I recently started my first full-time job (web development), and I've read that applying slight f.lux color settings even during the day can greatly reduce eye strain. I would like to do this, but my ...
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1answer
36 views

Using HP port replicator, when laptop is closed image on monitor reduces in size

I am Using HP port replicator, when laptop is closed image on monitor reduces in size. How can I set things up so that image remains full screen when laptop is closed? Laptop & monitor are both ...
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1answer
147 views

External monitor connection works with HDMI but not VGA

I smashed my laptop screen so I have to use an external monitor. I can connect with an HDMI cord but not with VGA. I want VGA so I can listen to sound via headphones on the laptop, it's an Acer E1 ...
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1answer
52 views

Laptop goes to sleep when lid is closed and disconnected from power

I am trying to work with my computer (Macbook Pro) attached to an external monitor, while the lid is closed. I can work on it when the laptop is connected to power, but when I disconnect it from the ...
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154 views

Dual monitors go wireless

I will be using the Gigabyte GA-Z97X-UD5H-BK motherboard. So it natively supports 3 monitors output - hdmi, dvi, and vga. To make things complicated, i wish to have my monitors go wireless. I did a ...
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1answer
109 views

DisplayPort daisy chain not working

I have two Dell UltraSharp U2715H screens, supporting DisplayPort 1.2 and daisy chaining. I have confirmed this by connecting them together in a daisy chain, and connecting the first monitor to my ...
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2answers
55 views

Will external screens dim as part of power management?

Most, if not all, Windows laptop computers will dim their screens after a configurable time duration. After an additional time duration, the screen will turn off completely. These settings are ...
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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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1answer
23 views

ViewSonic Monitor on Windows XP

The Brightness/Contrast Menu is frozen in the center of the screen and the bar keeps flickering up and down between brightness and contrast. As it is in the center of the screen I can't run any ...
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3answers
64 views

External monitor to laptop resolution [closed]

I own this laptop http://www.sony.co.uk/support/en/product/VGN-FW41E and I would like to add an external screen like this one http://www.amazon.com/Dell-Ultrasharp-U2415-24-Inch-LED-Lit/dp/B00NZTKOQI ...
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14 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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1answer
17 views

External monitor shuts off when set as only monitor

So I've got an ASUS PB287Q hooked up to my Asus NV550JV through DisplayPort. I'm running Windows 8.1 and my problem is the following: If I extend my desktop from the laptop, then everything is fine. ...
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27 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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23 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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1answer
116 views

Asus N551JK and no. of external monitors

How many external monitors can the notebook Asus n551jk cn104d support? The notebook has a geforce 850m graphics card with alternate intel hd graphics It has one HDMI and one mini display port, but ...
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33 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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1answer
48 views

External display changing brightness based on what's shown

I'm using a Dell Inspiron laptop running Windows 7, with a Samsung SyncMaster P2250 connected via D-SUB as external display. The display seems to dynamically adjust it's brightness based on what's ...
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43 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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328 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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19 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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76 views

External display set brightness with laptop

I have Dell U2415 connect to my laptop. On laptop I can manage brightnes with fn + arrow, but this work only on laptop. It show windows show But dell not react is there some application can do ...