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Dell Laptop external monitor = OK, attached monitor = BSOD

Q: Dell Laptop external monitor = OK, attached monitor = BSOD

My old dell laptop L502x is a bit quirky and caused me to buy a desktop, however, i think it is still saveable. when i have it display to an external monitor via hdmi, it works 100% with no problems. however, when i use the monitor that is physically attached to the laptop, i will get a " A clock interrupt was not received on a secondary processor" BSOD. from what i've gathered over numerous crashes, i believe its a problem with the integrated graphics in the processor, since they are not used when outputting via hdmi. i could be wrong tho, any help is greatly appreciated.

RELEVANCY SCORE 200
Preferred Solution: Dell Laptop external monitor = OK, attached monitor = BSOD

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A: Dell Laptop external monitor = OK, attached monitor = BSOD

Before posting a BSOD thread, please read the instructions here: Blue Screen of Death (BSOD) Posting Instructions

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RELEVANCY SCORE 92.4

I have an HP laptop and I have been running it with dual monitors. I finally decided to upgrade to Windows 7 and after I installed it I noticed that the built in monitor of my laptop looked strange and when I opened the display settings to change the screen resolution and set the external monitor as a separate monitor rather than a mirror I noticed that only one monitor was detected and it was the external one (Generic non-pnp monitor on standard VGA graphics adapter) and the built in monitor does NOT show up at all.

I've tried the detection button, in hopes that the computer would read the built in monitor and I could fix the problem. This did not help. I tried unplugging/replugging the external monitor to no avail. I tried restarting without the external monitor plugged in and it STILL reads the built in monitor as if it is the external one. Is there anyway to fix this? I have not tried re-installing the OS, not yet anyways.

Any suggestions ?
 

A:Monitor Issues - Laptop Reading Built In Monitor as if it were my external monitor.

Only thing I can think of is to disconnnect the external monitor, uninstall any monitors listed and then reboot and hope the computer installs the correct drivers for the laptop monitor.
 

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RELEVANCY SCORE 90.8

I am using a 22" screen for my primary screen and the laptop lid open for a secondary screen. The main screens resolution is 1680x1050, I can set it to anything I want and it's always using the full screen. The laptop screen on the other hand will only use the full screen if it's at 1400x1050 resolution (max for that screen, IBM Thinkpad T43). With the large 22" screen I have no trouble reading the screen at high resolutions, the screen is huge, with the little 14" screen though I have to strain to read the screen at 1400x1050.

The problem is when I set the laptop screen to anything lower than 1400x1050, it uses less of the screen. Preferrably I want it at 1280x1024 or 1024x768 (I dont know which I want yet as I can't see the freaking screen at that resolution). At 1280x1024 for instance the useable screen is just a box in the middle, so the "1280x1024" is still barely readable for me cause it's shrunk from full screen, plus it's just annoying only using a portion of the screen.

I have played with the ATI Control Center, the Thinkpad display settings and windows display settings and just cannot get this thing to go full screen at lower resolutions when docked and using the external monitor.

Anyway to resolve this?
 

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RELEVANCY SCORE 88

Hello,I need an advice.
Dell Vostro 1510 (version nVidia) does not function LCD - very little light.External monitor works OK.LCD - brightness up and down works. Closing cover notebook to sleep - works OK.
Test another inverter and LCD.It's the same :(
Please, give me an advice.Thank You.

A:Dell Vostro 1510 LCD DIM - monitor external monitor works

If the other inverter/LCD is known to be compatible with the system and produces the same result, bad power circuit to the inverter - replace the mainboard.

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RELEVANCY SCORE 87.2

Hi, all, I have a Dell XPS 15 laptop and recently bought a Asus MB169B external USB monitor.  When I plug the monitor in, the laptop monitor (not the external monitor) flickers about every half second.  If I unplug it, it stops.  I upgraded my video driver to no avail.
Is it simply a power supply issue (the external monitor  does not have a power cord)?  Anything I can do?  It does it even if I have the laptop plugged in and charging.  
*something interesting - I just discovered if I duplicate the display and not extend the flickering goes away...but that kind of defeats the point of a dual monitor for me.
Thanks.

A:dell xps 15 monitor flickering after connecting external usb monitor

Hi NATURAL1DAVE,
What is the exact system model? 
Have you connected the external monitor to a dock or hub or directly to the system USB port?
Update the BIOS - http://dell.to/1n3X2po - enter the service tag and download the BIOS, update and restart the machine and check.
Reinstall the video drivers and chipset drivers for the system from the above link and check.
Also, please click my DELL-username and write me a private message with the service tag and your Name for case records.
Let us know if you have any other queries.

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RELEVANCY SCORE 85.6

My xps 13 9350 laptop screen is just blank but when I hook up an external monitor it shows everything. I went to my display settings and it doesn't even recognize a second display, for some reason it thinks the external monitor is the main screen. When I click "detect" it doesn't detect a second display.
I have booted in safe mode and everything works on the actual laptop but otherwise it only boots with a an external display.
Any help would be appreciated.

A:Dell XPS 13 9350 only recognizes external monitor, laptop screen black

Hi,
Thank you for writing to Dell Community Forum.
Please try to run the on-board diagnostics <F12> and capture any error codes and messages.
Also, can you boot into BIOS?
Please click my DELL-username and send me a Private Message with the Dell Service Tag number and your email address.
Note: please don't mention the service tag or email id on the public forum as it contains your personal information

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RELEVANCY SCORE 85.2

I have a dell laptop that has 1920x1080 resolution. However, i connect it to an external monitor that has 1920x1200 resolution. Basically almost everything i do is on my external monitor which acts as my main primary screen. Thus i do sometimes open some windows or drag a window or so to the other screen like youtube etc to the laptop screen which is the secondary monitor.


My issue at the moment is everything is way too big on the laptop screen. I want to have 1920x1080 resolution but its way too big. I googled what is my resolution on it and it shows 1536 x 864. Can someone tell me how to change this to 1920x1080? I googled what is my resolution on the external monitor and it does show 1920x1200 which is correct.


My external monitor which is my main monitor is fine at the moment with the 1920x1200. Its windows 10 but im assuming this should be very similar to windows 7 to fix this issue?

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RELEVANCY SCORE 85.2

I have a dell laptop that has 1920x1080 resolution. However, i connect it to an external monitor that has 1920x1200 resolution. Basically almost everything i do is on my external monitor which acts as my main primary screen. Thus i do sometimes open some windows or drag a window or so to the other screen like youtube etc to the laptop screen which is the secondary monitor.


My issue at the moment is everything is way too big on the laptop screen. I want to have 1920x1080 resolution but its way too big. I googled what is my resolution on it and it shows 1536 x 864. Can someone tell me how to change this to 1920x1080? I googled what is my resolution on the external monitor and it does show 1920x1200 which is correct.


My external monitor which is my main monitor is fine at the moment with the 1920x1200. Its windows 10 but im assuming this should be very similar to windows 7 to fix this issue?

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RELEVANCY SCORE 84.8

I have a dell laptop that has 1920x1080 resolution. However, i connect it to an external monitor that has 1920x1200 resolution. Basically almost everything i do is on my external monitor which acts as my main primary screen. Thus i do sometimes open some windows or drag a window or so to the other screen like youtube etc to the laptop screen.
My issue at the moment is everything is way too big on the laptop screen. I want to have 1920x1080 resolution but its way too big. I googled what is my resolution on it and it shows 1536 x 864. Can someone tell me how to change this to 1920x1080?
My external monitor which is my main monitor is fine at the moment with the 1920x1200.

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RELEVANCY SCORE 84.8

Windows 10 laptop. I connect it to an external monitor and use hdmi cable. My external monitor is my main monitor. I use the laptop monitor as the secondary monitor. I extend the display.

My desktop icons are always on my external monitor desktop. I had moved the hdmi cable connected to my laptop i believe which caused all my icons from my external monitor to go on the laptop monitor. Also there is even spacing on all of the icons. Has anyone had this happened? I then clicked sort and then it rearranged so there is no spacing etc. However, i then noticed hey why are my icons on my laptop monitor and not my external monitor.

Does anyone know why this happened? When i open chrome and other programs, it does open up on my external monitor though which is my primary monitor. I believe i can just drag each of the icons on my desktop on my laptop screen to my external monitor. So just do this and that fixes the issue right? Or is there a way to have all the icons just move to the external monitor. The reason i ask this is in case the icons just suddenly move to the laptop screen again.

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RELEVANCY SCORE 84.8

Windows 10 laptop. I connect it to an external monitor and use hdmi cable. My external monitor is my main monitor. I use the laptop monitor as the secondary monitor. I extend the display.



My desktop icons are always on my external monitor desktop. I had moved the hdmi cable connected to my laptop i believe which caused all my icons from my external monitor to go on the laptop monitor. Also there is even spacing on all of the icons. Has anyone had this happened? I then clicked sort and then it rearranged so there is no spacing etc. However, i then noticed hey why are my icons on my laptop monitor and not my external monitor.



Does anyone know why this happened? When i open chrome and other programs, it does open up on my external monitor though which is my primary monitor. I believe i can just drag each of the icons on my desktop on my laptop screen to my external monitor. So just do this and that fixes the issue right? Or is there a way to have all the icons just move to the external monitor. The reason i ask this is in case the icons just suddenly move to the laptop screen again.

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RELEVANCY SCORE 84.8

Windows 10 laptop. I connect it to an external monitor and use hdmi cable. My external monitor is my main monitor. I use the laptop monitor as the secondary monitor. I extend the display.



My desktop icons are always on my external monitor desktop. I had moved the hdmi cable connected to my laptop i believe which caused all my icons from my external monitor to go on the laptop monitor. Also there is even spacing on all of the icons. Has anyone had this happened? I then clicked sort and then it rearranged so there is no spacing etc. However, i then noticed hey why are my icons on my laptop monitor and not my external monitor.



Does anyone know why this happened? When i open chrome and other programs, it does open up on my external monitor though which is my primary monitor. I believe i can just drag each of the icons on my desktop on my laptop screen to my external monitor. So just do this and that fixes the issue right? Or is there a way to have all the icons just move to the external monitor. The reason i ask this is in case the icons just suddenly move to the laptop screen again.

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RELEVANCY SCORE 84.4

I have a dell Inspiron 13 7349 laptop running stock windows 8.  I recently updated the display driver to the latest version from the dell support site (based on my service tag).  The driver is Intel(R) HD Graphics family 10.18.14.4414 (dated 2016-03-23).  Since then, each time I try to connect the laptop to an external monitor, or if I try to change the screen resolution, the screen refreshes to a blank page - I can see the mouse pointer, but nothing else.  The solution is to either close the laptop lip and reopen (works 60%) of the time.  The other solution is to restart the laptop (so I lost all the unsaved information).  I have been using/connecting to this same external monitor for at least a year with this laptop on older driver.  Downgrading to the previous driver is not an option because it was causing other more serious problems.  Does anyone know what may be wrong here? It appears to be a driver issue, but I m not sure how to overcome. 

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RELEVANCY SCORE 82.4

The laptop our family shares recently had its monitor broken. It displays half of the screen, but will not stop shaking. I have it hooked up to an external monitor, but I am unable to use it to display the laptop screen without changing the display settings via the laptop. Is there some command I can use to set the external monitor to display the laptop screen? Or do I need to replace the laptop screen?
 

A:using an external monitor as a primary monitor for a laptop

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RELEVANCY SCORE 82.4

Hi All,
I have an external Envision flatscreen monitor that I have been using attached to my laptop for around a year. I have the monitor displaying on both laptop and the external Monitor. Just recently I had a pc issue which I have rectified and my external monitor since rectifying that issue now displays fuzzy. What can I troubleshoot to find out my issue. I've reviewed the Graphics and Display Properties. It is currently sitting at 1024 by 768, Color: True Color and Refresh 60HZ. The odd thing is that when I am in Display Properties, Settings tab, the left monitor in top is black (this should be my laptop) and the right monitor in the pic, which should be my external monitor is gr3y. When I have pressed on the black monitor, and press Identify it indicates 1. When I press on the grey monitor and press identify, it says it is not active, although I do have an image on my external monitor (fuzzy image). When I click the arrow on 'Extend my Windows Desktop this monitor' the right monitor then is black and when I press on it and press 'Identify' it says it is 1 as well. Is this correct. I know this has nothing to do with the fuzziness but still thought I might see if this is an issue or not.
When I right click on my desktop and go into Graphics Properties - I just get confused as to what this is all about. When I go into Display Tab the Monitor is checked, I can check on any of the others i.e. Notebook, Intel Dual display clone or Extended Desktop. Re... Read more

A:Fuzzy External Monitor - Laptop Monitor ok

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RELEVANCY SCORE 80.8

I want to view Netflix "view now" videos online with an external monitor. What's the easiest way to accomplish this?

Thanks in advance.
 

A:Adding a 22" Dell External Monitor to 15" Dell M70 Laptop

Get a 22" Dell monitor and connect it to the vga port on your laptop. There is an Fn + (some other key) that will enable the external monitor. You can press the Fn+(some other key) combination so that either the laptop display is used, the external display is used or have it set so both are used for the display. Typically the combination is the Fn key plus one of the F keys at the top of you keyboard.
 

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RELEVANCY SCORE 80

After having worked for more than 1 year in double screen, I started to have flickering problem on the external monitor, connected from mini DisplayPort to DisplayPort on an external ThinkVision Monitor.I do not know how to troubleshoot. Below is a video of the issue.As a hint that the card might have some problem, sometimes the PC takes about 30 seconds to decide the graphic mode when the screen is turned on.I would like to understand how to troubleshoot the issue, determine if it can be- hardware failure (pin, chip damaged)- driver failure (but I have driver at level 10.18.14.4432 which seems the latest)and understand what should be repaired.any suggestion is very welcome, thanks for your attention,xgiannak

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RELEVANCY SCORE 80

Hello experts,
I have connected 3 external monitors to my 9560 laptop via TB16 dock. 2 Dell 24" 4K monitors: 1) DP to DP and 2) miniDP to DP & 1 Dell 24" 1920-1080 via VGA-VGA connection. The 4K monitor with miniDP to DP constantly disconnects. What am i doing wrong here?
Thanks in advance,
Dilip

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RELEVANCY SCORE 79.6

Hi, I have an old laptop that I have installed Puppy Linux on, it works fine except that my monitor doesn't work. So I plug in an external one, but its a bad setup because the laptop needs to be open. I was wondering if I could take the monitor off the laptop. Would the computer still work? The model is an old Toshiba 1100.
Thanks
Ned
 

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RELEVANCY SCORE 78

I already have one monitor attached to my laptop (ASUS F3Jr)
I was wondering if I could connect another so I have 3 screens by buying a DVI-D to VGA adapter but im wondering if this is going to work as it only sends out a digital signal.
Please remember that the DVI-D port is different to Mac port as already tried connector for Mac

Any help is much appreciated in advising me on this situation
Thanks
tiger_hall
 

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RELEVANCY SCORE 77.2

My laptop has a 7800GTX graphics card with DVI-I out. I sometimes like to watch movies at the office with it, and have a 26" wide Dell TV.

The TV works beautifully when I use a normal DVD player or watch TV. But when I try and watch a movie from my notebook to the monitor I have two major problems:

1. The frame rate is horrible. The movies are very choppy.
2. The movie only shows on one monitor at a time. I can not watch the movie on the notebooks 19" widescreen and the 26" Dell TV at the same time. It shows the movie fine on the notebook, but on the TV the movie player (software) screen is blank, no matter what software I try.

I am not so worried about #2, but #1 above is a major one.

Anyone have any suggestions?
 

A:Troubles with 2nd Monitor attached to laptop

When you hook up the TV to the laptop, how do you set it up ? As an extended desktop ? Clone image ?
 

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RELEVANCY SCORE 76.8

I have a Dell XPS 13 laptop running Windows 10. I have just purchased a Dell U2515H monitor which I am waiting for delivery for as we speak. I believe the monitor has quiet a few inputs however I am not 100% sure which lead to get to connect them both and which port I use on the Dell Laptop. Looking on the left hand side of my laptop there is a port with a lightning sign next to it, is that called Thunderbolt? and is that my monitor/display port? and what lead do I need? it looks like some sort of micro socket!

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RELEVANCY SCORE 75.6

Hello & thank you in advance for your assistance.

A month ago I installed a new Sapphire HD Radeon 7790 1GB DDR5 Dual-X OC GPU & began experiencing BSOD issues with driver atikmdag.sys. Would quite often go as long as a week between BSOD.

The BSOD seems to be associated with DisplayPort attached monitor. Have two monitors attached via Dual DVI which work fine. Can stream no problem. The third monitor which is attached via DisplayPort seems to be the culprit. Streaming The Mentalist on CBS.com last night on that monitor & it crashed right away. Watched Mentalist on another monitor with ease.

Have been working my way thru AMD Article Number: 27116 attempting to resolve this myself. Several driver versions with same results. Always use the AMD uninstall utility (restart), Driver Sweeper (restart) & CCleaner for good measure before installing next driver. BIOS is current as are Windows 7 updates. Have a 500W PSU, the GPU came overclocked from the factory & I did down clock for a short time which did not help. The GPU runs cool in the low 40's, the new PSU runs about 20 degrees hotter than the Dell OEM PSU. But it was crashing before with the cooler running 360W Dell PSU. Sapphire recommends a 500W PSU for this GPU even tho the 7790 uses less energy than the ATI Radeon 4850 it replaced.

Purchased a new SSD & this past weekend performed a clean install of Windows, went very well. Windows found all the drivers, even for the new Sound Card. The... Read more

A:BSOD while streaming on DisplayPort attached monitor?

Well it's a bit odd that I would come across this info now after a month and a half but - apparently there is an issue with the 20 pin on displayport cables. The infamous pin 20 issue.
To be fully compliant a displayport cable must not have pin 20 wired through.
The monitor is feeding power down pin 20, and the video card is feeding power out as well and the some video cards don't like it, (the power feed is to provide power to active converters, DP to VGA, HDMI etc.)

This thread is pretty close to mine:
How a Bad DisplayPort Cable Can Ruin Ruin Your Day
For about 2 months I've been struggling with a BSoD error related to atikmpag.sys on my Windows 7, core i7, 2x 5870 Crossfire system.

First, I assumed it was a driver issue. At the time I think the 12.1 Catalyst drivers had just been released. So, I rolled back to 11.10 or so. BSoDs continue anywhere from every couple of days to as often as every couple hours.I formatted my system partition and reinstalled Windows to try to fix.

Guess what? BSoDs continue!

Finally, after all of this, I decide on replacing the DisplayPort cable as the last possible point of failure. I should have mentioned that I'm running 1 native DisplayPort and 2 DVI ports. I replaced it with one from Accell off Newegg and it's been over a month without any further BSoDs. I've heard of plenty of issues out there with DisplayPort adapters, but never thought I'd have an issue with a straight DisplayPort cable distributed with a Dell monitor. Having... Read more

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RELEVANCY SCORE 75.6

Hello -
So I recently bought a Dell Inspiron 24-5459 All-In-One for personal use. However, when I work from home with my work laptop, I'd love to be able to use the AIO as a second monitor. Is this functionality possible using HDMI? Thanks in advance for the help!

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RELEVANCY SCORE 75.6

Hi,
I have a XPS 15 (L502X), I wish to add a 24 inch external monitor to it. 
My requirements are Moderate Gaming,  Movies, Application Programming, and occasional reading. 
I did some googling and created this shortlist:

BenQ GW2470
BenQ RL2455HM
BenQ EW2440ZH
LG 24MP88HV-S
Dell S Series S2415H 

I have read all about ghosting effect, color leakage and slower response time while gaming. Not sure how to determine what is good. I am inclined towards BenQ GW2470 as it is new, cheap and also has good reviews.
I would like to know if any of these are good options, or if there are other options that are better. I am looking for products available in Indian market.
Thanks.

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RELEVANCY SCORE 74.8

When my laptop is plugged into an external monitor, the laptop screen is the "primary" display, where programs automatically open, etc. Is there a way to make the primary display not the laptop screen but the external monitor screen? Here's the catch--is there a way to do it *without looking at the primary monitor*?

I have this strange request because my laptop's screen recently died. I have connected an external monitor, and so can still use the computer--more or less. The problem is that I can't see my start menu, etc--they are all on the laptop screen, ie, the dead one.

I know, normally, how to switch the display: I would right click on the desktop and select "personalize," then "display" But when I do this, it opens the display in the primary monitor (the broken laptop monitor) and I can't see it to change the settings. It's a sad catch 22.

If anyone could help me with this is would REALLY appreciate it. Thank you.
 

A:Switch Primary Monitor from Laptop to External-Without Looking at the Primary Monitor

Hi nomonitor, and welcome to TSG

Check your user manual for the laptop to see if has has a special key or a Function key that lets you toggle between the internal display and external monitor.
 

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RELEVANCY SCORE 74.8

I'm posting this more as an observation of things I discovered than as a question, but would welcome feedback from others experiencing a similar problem.
At the Black Friday sales I bought a very nice 32" Asus VA32A 2560x1440 WQHD monitor to use with my Dell Precision M4500 i7 laptop. I was replacing a smaller very old Dell monitor that had a considerably lower maximum resolution.
Almost immediately I started experiencing events daily where the screen would turn a nice shade of mauve in pixelated pattern and freeze, requiring a hard reboot. This had happened on very rare occasions before, but not often enough to investigate. Now it was a constant problem and everything I read online told me it was an overheating issue and not to ignore it as it could destroy the computer.
First recommendation was to clean the dust out of the fan area. Being an old computer there was a lot. I took out the fan/heat sinks cleaned the input and output screens as well as the fan itself meticulously and put it all back together. No benefit; still overheating.
I figured maybe I had accidentally removed come of the thermal grease so took it apart again and replaced the grease where it was previously. Same result - still overheating.
I then bought a cooling fan for under the laptop and made sure that the laptop's own monitor was turned off when the case was closed (I use an external wireless keyboard for this setup... Read more

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RELEVANCY SCORE 74.8

One simple question:
Has anyone succesfully connected the Dell XPS 15 9950 to an external monitor that runs on 2560x1440 @144Hz?
I have asked Dell employees over chat in three different countries, they all say different things.
I would think that one could use the thunderbolt3 enabled usb-c port to do this by running a usb-c to displayport cable to the monitor.
I have searched the internet for a week and didnt find an conclusive answer. 
The usb-c to displayport cable exists (Plugable and Startech makes them) and both are capable of driving an external monitor @144hz, but it is unknown if Dell supports this. 
I would love to find out your experiences! If you have experience with other resolutions @144hz, or even @120hz, let me know as well! 
If it's not possible it's a dealbreaker for me.

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RELEVANCY SCORE 74.8

We got two new Dell XPS 13 for users and there does not seem to be any video out ports like on previous models.  This runs Windows 10 Professional and has an internal screen resolution of 1920x1080.  Looks like there is 2 USB 3.0 super speed ports and possibly a (thunderbolt)??? port?
I've heard of USB-C so I'm not sure if this one port on the left side is that, or if its thunderbolt.  I googled thunderbolt to hdmi adapter and in all the images I find it always shows a mini display port on one end despite the descriptions saying thunderbolt.

So whats the cheapest way to get HDMI out on this laptop?

A:How do I connect an external monitor to a new Dell XPS 13?

Hi,
The Thunderbolt( USB Type C port) on the Left Hand side deals with the video output on the system. You will need to purchase a USB Type C to HDMI adapter to display video.
The cable is available on the Dell website here

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RELEVANCY SCORE 74

I bought an USB-C to HDMI adapter cable to connect my Dell XPS 9350 to an external monitor (Dell U2414H).
I connect my laptop with adapter via USB-C, the HDMI port of adapter with HDMI cable and the HDMI cable with the external monitor. After that, the external monitor detected the laptop but it displays error message like that "There are no signal from your computer. Please press any key to wake up it".
My laptop still running, I also changed mode to duplicate or external screen and update all drivers but nothing change.
I checked the Intel Graphic Setting, it also detected the external monitor.
Please see attached images for more information and help me to fix it.

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RELEVANCY SCORE 74

Hi - I've just gotten my Inspiron 5000 i5(7th gen) with HD Graphics 620 displayad.  The laptop has a HDMI port and I wondered if I can connect it to an external monitor and have my display on both?  I've tried a HDMI to VGA connector but that only seems to allow either or - I thought it might be the adaptor but is it actually that the laptop doesn't support dual monitors?  And if it does - can anyone give me any pointers on what needs to be configured to allow the double display?

Thanks!

A

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RELEVANCY SCORE 74

I have a Yoga 900 and I just got a Dell S2718D external monitor.  The monitor has USB C and HDMI video ins, and I can connect from the USB C port on the Yoga with an HDMI adapter, but the monitor isn't detected when going straight to USB C.  I'm at my wit's end on this one, I can't find a solution.  Please help!

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RELEVANCY SCORE 74

I recently cracked the lcd display on my dell inspiron
7500, I don t have the money to replace it yet so I tried to
connect an external monitor. after the external monitor was
hooked up I turned on the computer and the external monitor
gets blue lines in the middle and nothing else.
How do I succesfully connect an external monitor? please help.
 

A:external monitor dell inspiron 7500

If all you get on the monitor is the 2 lines I would think the the laptop is screwed. The only thing you can try is taking the laptop apart and unplugging the display panel and see if it the external monitor works then. I assume that the monitor works fine everwhere else. You can check out www.dell.com and see if theres any known issues with external monitors and your laptop aswell.
 

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RELEVANCY SCORE 74

Hello,
I have a Dell E207WFPc monitor that I am trying to calibrate using my Dell Inspiron 15-7548 with Windows 10. I am unable to get the colors adjusted correctly with either the monitor on screen settings or Microsoft's color management tool. Is there something that I am missing and/or advanced that I could try? The main issue is that it is difficult to read black text on white background. I am mainly using this monitor as an external at work and not for any gaming or image use. Please help! Thanks for your time.

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RELEVANCY SCORE 74

I have a 5 gen thinkpad X1 carbon ( Intel HD Graphics 620).  Thinking of getting the Dell UltraSharp 34 Curved Ultrawide Monitor - U3415W.   Any issues with compatibility with the graphics card? Will it work? Dell Monitor

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RELEVANCY SCORE 73.2

what is the HDMI / VGA output resolution of DELL Vostro 3550, if we connect an External Monitor

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RELEVANCY SCORE 73.2

I connected external monitor via VGA, but it shows 'no signal' sign. Where could be a problem?!
External monitor is AOC I2275PWQU.

Thank you in advance.

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RELEVANCY SCORE 73.2

Hi all,
I have a Dell Precision M6700 and I wanted to use a 2 external monitors and the built-in LCD.  I was able to do this on my Dell M4700, but have been unsuccessful with the M6700.  I can get the built-in and either external to work, or both externals to work, but not all 3.
Many thanks in advance,
Adam

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RELEVANCY SCORE 73.2

Hi all,I have very silly question but I hope that anyone can help me ^^I need to buy a new external monitor to my ( dell latitude e5420 ) laptop, this screen can be LG 24mp48hq-p OR LG 24MP58VQ-PAnyway, My question is, Is there any problem to connect my laptop with those external IPS LG monitors ?!!sorry for my bad English Thanks.

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RELEVANCY SCORE 73.2

My Dell Inspiron 3437 ( Core i5, 4th Gen) screen suddenly stopped work couple of days ago, now it just worked for external monitor. What I done for the issue ( I did all works by an external monitor)
1. Taking a Diagnostics for all hardware no problem.
2. Using function key but no help.
3. Flashing new bios ( A10), the computer display worked!  but the screen did not display again when I restarted the computer.
4. I tried re-flash bios, but the bios program won't let me to flash same bios version.
5. I tested the screen on another laptop, it worked perfect.
So I guessed the computer BIOS chip corrupt.
Anybody can help?

A:****** Dell inspiron 3437 only works external monitor********

If the system boots to Windows, it's not a BIOS problem.  Check the display settings - if they look correct, but there is no display image, you either have a bad display panel or a bad GPU (i.e., mainboard).  Hold the D key through powerup -- if you do see the built in display test (cycling solid color screens), the display is bad - meaning the mainboard is the problem.  If you don't see that, the display needs to be replaced.

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RELEVANCY SCORE 73.2

Hello,
I got this laptop recently and ran into an issue when connecting to external displays, in all games I am unable to set my video settings to 60Hz when choosing to project my display to the external screen only. If I duplicate the screen then I have no issue, but I want to be able to close the laptop lid and have 60Hz as an option, otherwise everything shows up as 59Hz which causes stuttering and flickering. The weird thing is that in Windows my refresh rate shows up as 60Hz at 1920x1080 but when launching any game 59Hz is the highest I can go to when set to display as "second screen only" in Windows 10. Please let me know what I could to fix this, and if it is not clear let me know.

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RELEVANCY SCORE 73.2

Hi Everyone,
every time I plug in an external monitor to the HDMI port it flickers, but flickers the screen goes black and then displays a screen. There is no pattern to how it flickers, eg, hitting the cable or typing on the keyboard.
This occurs whether using an adapter converting to Video cable or simple a HDMI Cable. I have now used multiple monitors to verify it's not a monitor issue.
Any ideas as to what to do?

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RELEVANCY SCORE 73.2

i purchased the lenovo yoga c930 and i tried connecting the laptop with usbc cord to the monitors usbc to usbc cord and its not working (its supposed to charge and display with 1 usbc cord). what can be wrong? my lenovo should be all updated (bios/drivers). it does work when i do usbc to hdmi but it doesnt work when i do usbc to usbc straight to monitor(which is a usbc monitor that allows 1 plug charging and display).

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RELEVANCY SCORE 73.2

I have my screen broken but I want to install a new windows, is it possible get in to BIOS using this method? 

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RELEVANCY SCORE 73.2

I just recently purchased an adapter from Amazon HERE...

After going through the run around with customer support, my issue is still not solved.

I am trying to connect an external monitor through HDMI via the adapter linked above, but an unable to solve the issue.  My laptop recognizes the external monitor is plugged in, and is functioning as you would expect with an external monitor (i.e. two screens, dragging between two screens, etc...).  However, it seems as though the laptop is not sending any video output to the external monitor.  
I have updated all drivers and installers that were recommended to me by Dell customer support.  Additionally, I had changed a setting in the BIOS to disable some sort of USBC or Thunderbolt 3.0 security, as per recommendation in the comments of the linked (above) product.

Any suggestions?

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