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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3
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1answer
251 views

4k Monitor. Higher PPI than iMac 27". More Pixelated than iMac

I'm looking to understand exactly why a monitor with higher number of pixels per inch (albeit slightly so), than the standard 27" iMac, cannot produce image that is at least just as sharp as images on ...
0
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0answers
39 views

Proper configuration of HDTV on Toshiba laptop

I've recently bought a Toshiba Satellite L50-C1709 which has a Geforce GTX 950M 4GB graphics card. Today, I bought a Samsung Smart TV 22" to use it as a monitor (I might replace it with a 24" ...
0
votes
0answers
372 views

MacBook Pro doesn't wake up 4K external display connected via the displayport

I have a MacBook Pro Retina 15" Mid 2015 running Mac OS X 10.11 (El Capitan) and I have a Samsung U32D970Q 4K external display that I would like to use in a closed clamshell mode through displayport ...
2
votes
0answers
43 views

Is it possible to enter bios using an external monitor on a Vaio VGN-FE21S?

The manual says Fn+F7 should switch to the external display but this isn't working for me at power on. The internal LCD is dead so I was hoping to be able to enter BIOS using the external monitor. ...
1
vote
1answer
17 views

Monitor (TV) shows as active even when turned off

I have my primary PC with the monitor (DP) and TV (HDMI) connected. When I turn off the TV, my PC till shows that TV as active display. Any ideas?
1
vote
2answers
829 views

Daisy chain 2 external monitors on laptop without DisplayPort [closed]

I have: 2 Dell U2414H Monitors 1 DP in 1 mini DP in 1 DP out 2 HDMI A laptop with (No DisplayPort) i7-4710MQ processor 16GB DDR3 (2x8) GT 840M - 2.0GB DDR3 1 HDMI port 2 x USB 3.0 PORTS & ...
0
votes
1answer
246 views

Using USB keyboard on Dell U2514/MacBook Pro

I recently got a Dell U2415 monitor that I'm using with my MacBook Pro (2014). I want something I thought was simple: using a USB keyboard that's plugged in to the monitor's USB port. The monitor is ...
0
votes
1answer
45 views

Turned on my computer to find resolution all messed up, screen identified as “Generic Non PnP Screen”

I turned on my computer to find the resolution abnormally low (everything was big etc). In the Device Manager, my screen was being identified as Generic Non-PnP Screen. I have a Windows 8.1 desktop, ...
0
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0answers
15 views

Capabilities of new & upcoming Wireless based Display protocols & mechanisms?

The up & coming High Resolution/ HiDPI QHD, UHD, 4K Displays are currently being supported by newer & more capable revisions of Display Port, HDMI and possibly some merging/ overlaps with ...
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0answers
58 views

How to set lower than 800 x 600 to secondary monitor

I have an old analog monitor that its resolution is lower than 800x600. I need to set it as my secondary monitor. But the lowest resolution of windows is just 800x600 How to force windows to set ...
0
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0answers
40 views

Acer V223HQ monitor limited to 1280 x 1024 VGA

I'm currently using my work laptop at home as mine is fried at the shop. The issue is the monitor I'd been using with my home machine with the same VGA cable was giving me 1920 x 1080. With the work ...
0
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0answers
128 views

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 ...
1
vote
1answer
129 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 ...
0
votes
2answers
65 views

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 ...
-2
votes
1answer
121 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 ...
1
vote
2answers
37 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 ...
2
votes
1answer
1k 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:
1
vote
1answer
240 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 ...
0
votes
0answers
21 views

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 ...
0
votes
1answer
129 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 ...
0
votes
0answers
210 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 ...
1
vote
1answer
6k 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 ...
0
votes
0answers
747 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 ...
2
votes
1answer
117 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 ...
1
vote
1answer
284 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 ...
0
votes
1answer
24 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 ...
2
votes
3answers
556 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 ...
0
votes
1answer
546 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 ...
0
votes
1answer
17 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? ...
1
vote
1answer
3k 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. ...
0
votes
1answer
50 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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0answers
87 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 ...
0
votes
1answer
201 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 ...
2
votes
1answer
154 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 ...
0
votes
0answers
162 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 ...
0
votes
1answer
84 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 ...
1
vote
1answer
77 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 ...
3
votes
0answers
586 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 ...
2
votes
2answers
69 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 ...
1
vote
1answer
140 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 ...
0
votes
1answer
104 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 ...
0
votes
1answer
683 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 ...
0
votes
1answer
122 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 ...
1
vote
0answers
831 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 ...
0
votes
1answer
260 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 ...
1
vote
2answers
108 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 ...
0
votes
0answers
28 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 ...
2
votes
1answer
27 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 ...
1
vote
3answers
194 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 ...
1
vote
0answers
30 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-DVI cable -> monitor. Sometimes when I plug or unplug the audio jack from my loudspeakers (brand new ...