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Latitude 3540, Win 8.1: VGA port faulty? Will not display to external monitors or projectors

Q: Latitude 3540, Win 8.1: VGA port faulty? Will not display to external monitors or projectors

Hello, everyone.
I am using a Latitude 3540 laptop with switchable graphics (Intel HD Graphics, AMD Radeon HD 8850M). As soon as I got the laptop, I upgraded to 8.1 (probably a mistake!).
All of my drivers are up to date according to Device Manager, and I've updated the chipset and BIOS and everything according to the Dell website. But for as long as I've had this laptop, the VGA port will not work! I'm using a VGA cord that has worked with other laptops before without issue. The laptop will not output to projector, external monitor, or a TV. Pressing the win-P combination brings up the ability to extend and duplicate my screen. When I change those settings, my screen resolution will change, but the external monitor/projector doesn't display anything. When I try to detect displays in my graphics properties, it just doesn't detect anything that's connected.
Is my VGA port faulty? Or does anyone have any suggestions on what else to try at this point? My laptop is still under warranty, so I suppose I could always send it in to be fixed.
Thanks for the help!

Preferred Solution: Latitude 3540, Win 8.1: VGA port faulty? Will not display to external monitors or projectors

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)

A: Latitude 3540, Win 8.1: VGA port faulty? Will not display to external monitors or projectors

did you get response on your question?

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Windows 7 EnterpriseSystem does not see or react to external display when connectedNothing displays when connectedExternal display says nothing connectedTried multiple dongles - same results
Other system that include a VGA connector work just fine to same external display.

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I have a Dell Latitude E7450 laptop with a E-Port Plus II port replicator connected to two external monitors using DisplayPort which will not output to multiple monitors.
I have another Dell model and when placed on the port replicator with two external monitors connected, booting into BIOS/UEFI the screen is cloned onto each monitor. However, when doing the same with a brand new Dell Latitude E7450 only one screen is active - the other is off. Within Windows itself, I can only have 1 monitor connected to the port replicator. If I undock, I can run 3 monitors independently indicating an issue with the dock rather than a hardware limitation with the laptop itself.
I believe the above tests eliminates the OS or driver issue and highlights a compatibility issue between the new Dell Latitude E7450 laptop and E-Port Plus II port replicator. I have tried this on 2 separate machines with the same results. I have also updated both the graphics drivers (Version, A16) and the BIOS (Version A04) to the latest releases. I have also tried using DVI cables as well as swapping out the port replicators. Nothing works. In Windows 8.1 itself, it actually shows as two monitors active, but one is not on. If I swap out the monitors to a different brand, I get the same result.
Is there a BIOS/UEFI setting I need to change? Is there a newer port replicator or update I need?

A:Dell Latitude E7450 compatibility with E-Port Plus II with external Dual DisplayPort monitors

Did you resolve this issue and, if so, how? I have the same laptop (but running Windows 10) and the same docking station with the same results.

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So we have a Dual projector setup for 3D in a movie theater and we use a program called stereoscopic player as the playback program. Now here is the setup. We have a VGA monitor, and 2 HDMI projectors. The problem we are having is sometimes the order would switch and now full screen would maximize to the VGA monitor and only one projector, or the Left and Right eye might get switched.

No heres the question. Is there any program that can ensure that say VGA is always monitor 1, HDMI is always output 2 and DVI is always 3? This is being used every day to project 3D and it causes huge issues when the customer has to attempt to get the video outputs back in order.

This must be possible as I have seen video walls running on PC's and they don't seem to switch orders. Is there a either a program or a different video card we can use to solve this issue?

Thank You!

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We have a Dell Latitude 3540 which used to work fine with a Dell monitor connected to the VGA out port.  Following the Windows 10 upgrade, the laptop refuses to recognise the monitor.  I have dowloaded and reinstalled the graphics drivers with no change.  Device Manager shows the yellow triangle on the display adaptor.  I have deleted the adaptor and re-installed it.  This does not work either.  Is this a case of wating for Dell to produce a updated driver?  We really need the external monitor working, so any help or recomendations will be gladly received.

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So one of our Dell Latitude 3540 laptops used to work fine with an external Dell monitor prior to upgrading to Windows 10.  After the upgrade it refuses to acknowledge that a monitor is connected.  Device manager shows the display adaptor using the Microsoft driver and displays the warning triangle. When the driver update is selected, it finds a driver and starts to download it, then fails with Code 43.  I have deleted the adaptor and tried updating the driver with the same problem.  I have downloaded Dells Video drivers for this laptop and tried installing them but this seems to have no effect.  I have searched the web and found many similar problems but no solutions.  Any help is appreciated as we need the second monitor working.

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 Can I use 2 external monitors on X1 Carbon Gen2 using onelink rtl8153-2 (Pwr,VGA,Ether) and Display port. Want to turn off lcd and use just 2 ext monitors without getting A usb C adapter. My plan is to use a DP-> VGA adapter. 1080P resThanks

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 Can I use 2 external monitors on X1 Carbon Gen2 using onelink rtl8153-2 (Pwr,VGA,Ether) and Display port. Want to turn off lcd and use just 2 ext monitors without getting A usb C adapter. My plan is to use a DP-> VGA adapter. 1080P resThanks

A:2 external monitors using onelink & Display port

Hi 944V8! Welcoem to our forums community. Base on the product reference: http://psref.lenovo.com/Product/ThinkPad_X1_Carbon_2nd_Gen, you can connect a maximum of two external displays. The maximum resolution is : 3840 x 2160 at 30 Hz through the mini display port and 2880 x 1620 max resolution at 60Hz through the HDMI port. We highly suggest you to connect it directly to the external monitor because passing it to a VGA port would degrade the display quality.

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Hallo Community, I am using my X1 Carbon gen 4th with an external Monitor via HDMI cable. Now i would like to try to add another external Monitor on it. Without any docking station would be perfect. I notice that there is also a mini display port on my device. I suppose I can connect one monitor via HDMI and the other with mini Displayport? Will these two monitors work together at the same time? I would like to ask, if anyone has experience about that?   Thanks for the  inputs in advance! 

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As mentioned in the title I have both pieces of hardware.  I also just purchased a third Dell U2414H LCD monitor.  I am trying to connect all 3 via display port.  However it seems that all I can do is 2 monitors?  When I try to daisychain them I got 2 monitors mirroring each other and one through HDMI off the laptop.

Is this a physical limitation of the replicator?  Is there a firmware update somewhere?

A:Dell Latitude E6520 & E-Port Plus 2 - Display port issue

The E6520 comes with Intel HD Graphics 3000.  The specs for that GPU are buried in the specs for the CPU itself, but if you go to ark.intel.com and look up your CPU, then scroll down to the graphics section and verify that it shows Intel HD Graphics 3000, you'll find that that GPU only supports 2 independent displays, which is why you see mirroring.  More recent Intel GPUs do indeed support 3 displays, but no Intel GPUs to my knowledge yet support 4.
If your E6520 has the NVIDIA discrete GPU, I can't find any information on NVIDIA's site about maximum number of supported displays, but based on your experience I would assume it's 2 unless indicated otherwise.

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I have two monitors for the past year and have had outputs going to both just fine (both HDMI). This morning, one of them stopped working. It's not even recognizing the monitor when I go to Graphic Options > Output To. Is there any way to see if the HDMI port is simply not working?

A:Latitude E7240, HDMI port not putting out signal to monitors

* What operating system?* What two specific monitor models?* The Latitude E7240 has the following video out ports = rightside mDP, back HDMI. So how are you connecting two HDMI in monitors at the same time to this laptop?

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I have two U2715H monitors connected via one mDP->DP cable each to an E-Port Plus docking station (actually a EURO2 Advanced Port Replicator) in which is seated a Latitude E7450 laptop. All items are brand new. The E7450 is equipped with 16 GB RAM and two graphics cards: Intel HD Graphics 5500 and NVIDIA GeForce 840M; selection is automatic, which usually means the 5500 is in operation. It runs Windows 7 Enterprise SP1 (64 bit). The docking station apparently has DP 1.2a capabilities (for daisy chaining) but DP 1.2 is disabled in both monitors.
I have successfully set up the system to have the Windows desktop span both monitors at 2560x1440 resolution, even with the Latitude's internal screen as a third extension at its full resolution (1920x1080). The Main display may be set to either of the two (or three) and I can successfully move the sequence of the monitors around (left, middle, right).
So there is no doubt about the system's capability to support the intended configuration. However, when I dock the Latitude (mostly with the lid shut) and boot it, most of the time it cannot reestablish the configuration of the two external monitors. Some of the symptoms are: One or both monitors go black, indicating cable connected but no signal arriving from the docking station. If there is a picture on one of the monitors at startup, it may or may not contain the login screen. (I can still log in because I know what keystrokes to send.) If the login screen is visible, ... Read more

A:Latitude E7450, E-port 2, U2715H - dual monitors - unstable configuration

No responses, so I will add my own, on the way towards a solution, which I believe requires driver enhancements. Are you listening, Dell?
Together with a colleague who knows better than me what to look for, we discovered:- The Intel HD graphics control panel -> Display port topology only discovers one, not two display ports. This could be a problem with the panel or with the graphics driver.- Both Intel and Nvidia have more recent driver releases for their respective hardware components in the Latitude E7450 than those available from Dell but they cannot be installed directly. (NVidia 353.06 vs 341.27; Intel vs - I suspect digits 5 and 6 reflect an OEM numbering scheme). Intel says their driver update includes critical fixes for display support.- When we attempted to install the latest Nvidia driver, the display flashed in what seemed to be a non-trivial manner (before the update was automatically aborted). This could be related to a conflict between the two drivers.
I also discovered that even when only one of the Dell U2715H monitors is connected, it frequently goes black when it shouldn't. So it is not a question of a dual monitor configuration as I originally thought. I have also swapped docking stations to eliminate random hardware error in this component. The Intel driver's handling of display port(s) seems to be the most likely culprit.
Guessing from seeing repeated patterns of monitor behavior, a more precise diagnosis could be t... Read more

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Hi! Acording to the online specs this laptop has Intel's HD Graphics 4400 GPU and AMD's Radeon HD 8850M graphics chip, but in device manager is just the intel graphics and when i try to install the amd driver , the amd auto-detect isn`t recognizing the video card. In dxdiag it shows just the intel graphics nothing about the radeon s 8850m . It`s like the video card isn`t there at all. What should i do ?

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This is my husbands work computer. Ive been researching and reading for 2 days and cannot seem to find a fix.
Windows 7 Professional
Started last week, all icons disappeared computer would not do much of anything.
I tried to system restore back to 6/1
During restore everything went black with only cursor.
Safe mode is also only black with cursor. Cannot enter any command prompts.
f12 launch repair gives error 0xc000000f - we do not have any cd's. Windows 7 came on the work laptop.
f2 diagnostics says all is well.
All help forums have solutions if you have a recovery disc (which we do not) or can get into safe mode (which we cannot)
Just for the heck of it, I put my Windows XP disc from desktop in and nothing happens. Disc is spinning but screen is still black.

A:Dell Latitude 3540 seems bricked

Restart the system and press f2 key to enter BIOS - check if the HDD is detected in BIOS.
Restart the system and press f12 key on startup - choose diagnostics. Run the extended / thorough tests on the HDD and check for any possible errors. This test will take a very long time to complete, but will help isolate if the HDD is functional or not.
If the HDD is not detected, then download the service manual - http://dell.to/2951Nzj - and reseat the HDD and check if it works.
If the HDD is detected and the extended test does not report any errors, then it could be an issue where the windows boot files might have been corrupted. We might need to repair these files. The windows XP cd will not help. You would need the Windows 7 OS media for it.
If the system is under warranty, then download the OS media online - http://dell.to/1JsMeJg
If there is no warranty, then you could contact our team and order the media online - http://dell.to/1vnT6CQ
If HDD is fine - then Press f8 on startup and try last known good configuration, check if this works.
Does the system stay on the black screen until you manually restart the system or does it restart automatically? If the system restarts automatically, then press f8 on restart and choose - disable automatic restart on system failure and post a screenshot of the possible error you might encounter.
Otherwise, press f8 on startup and choose enable low resolution video. If it boots into windows and you have display, ... Read more

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Hi, I have a Dell Latitude 3540 on Windows 10 and I can't get into safe mode.
I hit F8 at boot and it brings me to a screen that has windows defender offline on it.  If I either cancel that or let the scan run, it reboots again after. 
If I have multiple failed reboots, that also takes me to windows defender offline.
I can't get into windows due to a blue screen each time (I know the problem if I could only get into safe mode to resolve it).
How do I get to the recovery menu instead of windows defender offline?
Any assistance is much appreciated!

A:Latitude 3540 Safe Mode

Back up after restoring an image backup. From inside windows, I did shift reboot and was presented with the choose an option screen where I could choose troubleshoot, then advanced options->troubleshoot->startup settings and I could get into safe mode from there.
Tested again multiple failed boots and now I was taken to a recovery screen. Nuts! Why was it taking me to windows defender offline before instead of the recovery screen!?

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I have a Latitude E7470 for work and when I first started using it with my docking station to external monitors, I was noticing a similar issue as was brought up in the thread linked below. One of my two external monitors (seemingly randomly) would flicker once, or periodically to a point where it was distracting. Additionally, I have seen the graphics card crash a few times after such problems appeared.

I implemented the "fix" that was linked (and marked as the answer to the thread) over lunch about a week ago, and more things went haywire from there. Basically, at this point I am unable to connect to any external monitors through the docking station. I have resorted to having a single monitor connected via HDMI, but it is hardly conducive to working and I would really like to have my multiple monitor setup back (even with the flashing problem, at the least).
Is there any way to undo the actions I have run, or is there a more up to date fix for this issue?
Link to "fix": 
Any response and guidance would be greatly appreciated. I'd really like to not have to resort to getting a different style (USB 3.0) docking station if I can prevent it.

A:Latitude E7470 External Monitors with Dock Problems

Yes I am referring to one of the external monitors flashing constantly when it resumes.  This has happened with previous Latitude models and you will see a synaptics VMM update within the video section of the 7450 that fixes this issue.

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I have got a Dell Latitude 3540 laptop and it wont power up, nothing happens when you press the power button. I have tried changing the battery, using another AC adapter and even tried the removing all power and pressing the power button for 30 seconds before trying again and still it wont power up. Are there any ideas of what I can try next before I go down the route of taking it to a specialist, my daughter has got loads of pictures on it so I could do with getting it running even if its just to take a backup.
Any help would be appreciated.

A:Dell Latitude 3540 wont power on

When powering on the system, do you see any lights? Do you hear a series of beeps ?

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I have just upgraded from an E6410 to an E7440. I have two Dell 2007FP monitors connected via DVI on an E-series E-Port Plus dock. The native resolution of these monitors is 1600x1200 @ 60 Hz and my old E6410 was able to run this just fine. The new E7440 however refuses to see that 1600x1200 is available and has an upper limit of 1280x1024 @ either 60 or 75 Hz. The Intel graphics properties app does show that 1600x1200 @ 60 Hz is a supported mode of the monitor in the Information Center section, but it won't let me select it in the Display Options section.
Anyone know if this is a fundamental limitation of the docking connector on the new 7000 series or if I just have something set wrong somewhere? All the drivers are up to date as far as the Dell support site is concerned ... The machine is running Windows 7 64 bit if that makes a difference.
Thanks & regards,

A:Problem with Latitude E7440, E-series dock & external monitors

Sorry - should have come back sooner as my IT guys at work found the "fix". This is a driver update that is for the E7440 but doesn't come up if you search for E7440 updates (???). Anyway, I got the required driver from:
Whilst the link is from the E5540 area, the driver is for the Intel HD4400 GPU that is in the E7440 as well. This has fixed the issue on all the E7440s we have here.

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I had clean install Windows 10 64 bit on my laptop. Whenever I put my laptop to hibernate or stand-by it won't go to that state. Screen always get black and hanged and my fan and system remains at ON state then I have to hard shutdown with power button to continue again. I also updated by BIOS plus my drivers are all up to dated. No BSODs or any other driver conflicts. I think some sort of power level issue in this windows. Any workaround or fix? :( 

A:Dell Latitude 3540 not hibernating or standby on Win 10-64bit

I'm having the same issue on my Dell Latitude 3540 with Windows 10 64bit. I have checked my memory, checked the hard drive. I have the latest drivers and firmware. I have everything I can think of. When I try to place the pc in either sleep, hibernate, or shut down modes it will do everything it needs to prepare it for that but then it hangs with the power on and all other activity stopping. I have to manually hold power off each time and essentially the shut down option is the only one that can be used in this state.

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 I have a brand new Latitude 3540 on Win10 x64 but the battery drains to 0% when it's shut down completely and unplugged (I don't use sleep or hibernate so no issue there). Have done a lot of reading and trouble shooting on the issue but nothing has worked (BIOS is fine and adaptor is correct). My power settings are as I want them and fast boot is turned off and Intel power management tools uninstalled but still issue exists even after rebuild. Anyone know what's going on ?

PS. If you are a Microsoft engineer please don't post a reply - most of what MS have said re this issue has been a load of nonsense and clearly they don't know *** they talking about, especially when it comes to their own products.....

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I have a newly imaged Elitedesk 800 Mini 35W G3 desktop with 3 HP Brand display port to DVI adapters attached to 3 viewsonic LCD's and after getting everything hooked up, I was only getting video on 2 of the three displays. I went into the Intel Graphics Properties,  then Display, then Multiple displays, then toggled it to Collage, all 3 screens went blank, then it popped back up with Extended Desktop selected, but then a picture on all 3 screens! I thought my problem was solved however after I reboot, the setting reverts and even though it shows its under "Extended Desktop" still, only 2 of the 3 displays are showing a picture until I toggle back to Collage, then have it refresh and jump back to Extended Desktop. I am using a fully updated copy of Windows 7 Enterprise and have installed the latest version of the Intel 530 video chipset driver from HP for this specific model of computer. Please let me know if anyone knows how to solve this issue permanently. Thanks!

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I have an up-to-date computer built to run games very well. I want to use two monitors. They're both TVs that support being used as a monitor. The first one is the one I've been using since I bought the computer, connected via HDMI converted to DVI(i believe. not VGA, but still gets fastened by one screw on each side). The other, new TV that I bought, I am trying to connect via HDMI converted to DisplayPort, and nothing is registering or being found/detected

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So this is the first time this sort of thing has ever happened. When I turned on my PC today only one monitor was picking up signal. In attempt to fix this I switched the display ports from the working monitor to the non working monitor. Nothing happened so I moved the cables back, when I did that the other monitor no longer received signal. I then plugged in a hdmi cable to my monitor and still no signal. I then unplugged the power to the PC and held the on/off button for 60 seconds and re plugged the power. The monitor began receiving signal but only through hdmi and the other monitor still does not work.
I have no idea how to fix this. Any help would be appreciated.

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I have a Latitude E6530 config:

Intel Core i5
Intel HD 4000 graphics
E-Port Plus APR (2 DisplayPorts)

I'd like to buy a 4K Monitor for use with this config. Will I be able to use it on 4K resolution?
I use a Dual Display. 1st is my laptop's built in FullHD screen, and the 2nd would be the 4K monitor.

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I need to convert to dual monitors on a HP 6200 Pro MT PC with Display Port and VGA ports.  The computer displays propertly with a single monitor connected to the VGA port.  Both monitors go black when I plug in a second monitor via the Display Port. In reading Internet documentation it is not clear if dual monitors will function from the system Display Port and VGA ports.  Forum articles address dual monitors with addition of a discrete video card (Big_Dave 2/4/2012). Will dual monitors work from the system Display Port and VGA ports?  If yes, what procedures are required to make such configuration work?  Any ideas on why the monitors go black?  Is a discrete video card required? Any assistance would be much apprecited as I ususally prepare income taxes and do not deal with bytes and bits.

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Currently trying to hook up 3 monitors to the mini display port. I am using the StarTech product MSTMDP123HD, it is a mini display port to HDMI Hub. Once I plug in the monitors and the display port hub, everything just continuously flickers sometimes.  Other times the monitors show up but I am unable to set resolution, extend the displays or do anything with them. I can get one monitor extended by VGA cable but that is it. Any help would be appreciated.

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Hi All, I have a brand new Elitebook 850g3 (T9X36EA), a HP Slimline dock (D9Y32ET)  and two Dell P2415Qb 24" monitors. My aim is to extend my desktop to the two external Dell monitors  whiclst still viewing the display on the EliteBook. The monitors are DP monitors with MST technology so am able to set one as a primary and one as a secondary. I can achieve my goal simply when the laptop is off the dock (See image)But on the dock I get nowhere with it. I noticed the dock had a firmware update on the drivers page which specifically talks about the DP functionality, but on running the update it tells me I am already running at the latest FW version on the dock. At best, I can extend my desktop to one Dell monitor which duplicates to the other. I know my cabling is setup correctly and that the equipment is ok as it works off the dock, I have been banging my head for a while now, so any help would be really appreciated. ThanksPaul 

A:Chaining Display port monitors through a HP Docking station

Quick update..... I have a Displayport to MiniDisplayport cable going from EliteBook to Monitor 1 which is set to MST Primary, and then a Displayort from the out channel on monitor 1 to minidisplayport to monitor 2 which is set to MST Secondary. Cheers!

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I have a Dell Latitude E7440, Windows 7
The HDMI-port has been working fine for two years attaching to varius units - projectors, TV etc.Last year it stopped to work with one projector (where it uasually works) so I just used the docking station and an VGA cable instead - did not have time to look for what went wrong. After that, a few months later, the next device stopped to acknowlagde the HDMI signal, now it was my standard Samsung LED-TV. OK, so I guessed that the HDMI-cabel was the problem, but after testing several HDMI cables with no luck, I rather thought that the problem was a physical problemen in the HDMI port at the back of the laptop. To shame, hard to fix that. I now realized that there actually where another digital port on back sida of the laptop, the mini displayport -maybe that one is working? So I bought a converter "mini display port to HDMI" - and whooho - it worked. But just for a few days.. :-(
Now I am back to use the docking station and VGA and as you can understand - that is really anoying.I have been using laptops for + 20 years now so I do think I have some experience. It is not an "Fn + F8" problem or a cable problem. Any suggestions?

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I've read that using a T470s with the USB-C (40A9) 40A90090 Dock connected to 2 Display Port Monitors has problems charging via the USB-C cable and that you also need to connect an external PSU to the laptop for power. I'm in an office setup, so the monitors would be 1080p. Can this be confirmed before I purchase?

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I already have the issue that when I put my E5570 to sleep and wake it up again that the keyboard and touchpad do not work. So I have disable the sleep options in the BIOS.
Now I run into different issues.Yesterday I booted the laptop and it hang on the DELL logo, After a while it stated that my EFI file would not be correct. Force reboot and it booted straight to Windows.
What's more annoying is the fact that the laptop boot, the DELL logo is shown and then the screens go's black, as if it's not connected. SO it looks like it hangs.BUT an external monitor through HDMI does work and show the windows logon.The keyboard and touchpad also do not work.External mouse and keyboard do work.
So pretty much I got a brick when I do not have external display/keyboard and mouse available.
When I reboot the laptop it works fine again.Am I the only one with this?Loads of issues with the laptop and wondering if I just have a faulty laptop...
Clean Windows 10 Pro install is done 5 times.Used the  DELL Command Update to install all drivers and patches.Issues keep existing...

A:Latitude E5570 - Black display, no resons to keyboard/touchpad - External display/keyboard/mouse do work

I have been spending a lot of hours in troubleshooting this week.
Diagnostics are 100% ok.
Reinstalled Windows 10 about 15 times.Installing drivers by hands, installing drives trhough the dell update management application.The issues keeps existing.
To sum the them up:- Cold boot (laptop is off) to Windows. Keyboard/Touchpad do not work. (Reboot and they work again)- Resume from sleep. Keyboard/Touchpad do not work. (Reboot and the work again)
After I got the laptop I installed 32Gb of RAM and an 512Gb Samsung 950Pro PCIE M.2 NVME drive.The drive should be support as Dell states on the product page and in the manual that PCIE with NVME is supported.
"Advanced features, like industry-leading M.2 SATA and M.2 PCIe/NVME solid state drives, provide data transfer speeds up to 4x faster over traditional hard drivers. "
In order to get the drive visible and running on PCIe I had to disable the sata controller in the BIOS.This way the drive is detected in Windows as an PCIe NVME capable drive.
Just to verify if the issues I went back to default with the delivered 256Gb M.2 sata drive and 8Gb RAM.To install Windows I had to turn the Sata controller back on.
Installed the drivers manually updated WIndows and tested.The issues do NOT occur.
Retested by installing the drivers using the Dell Update Application.The issues do NOT occur.
So I figured out that the SATA controller somehow is the guilty part for all the issues.I mean when enabled to ACHI or RAID the sleep and non... Read more

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Connected an IOGear compact dock to the laptop's USB C. Connected monitor #1 to the dock's HDMI port.Connected an HDMI cable to monitor #2 and used an HDMI to mini display port adapter to connect to the docks mini diplay port.I used the "Extend Display" setting on the laptop.I can only get display on the laptop monitor and one of the external monitors.  I can't get the display to work on both external monitors.  Second external monitor is not detected.  Help please. I am told that a plugable usb type c docking station would work, it has two "Disply ++ Ports".  Suggestion is to use an HDMI to DP++ cable to connect to the dual external monitors. Haven't tried it yet, does anyone know whether that'll work?

A:Need help connecting Yoga 910 13IKB with 1 USB C & 1 USB 3.0 port to dual external HDMI monitors

Easier still is to just use an HDMI splitter.

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In my organization we have purchase a few Dell 3040 mini computers and now several of them are having technical issues.  We are supporting dual monitor on all our systems but the issues are:
1. The screen goes BLACK while the user is working but the system is still running for one user.
2.  Another user screen goes white while she is working and the system is still running.
Have installed the latest Video drivers from the Dell site and still the problem persist.  Can anyone provide any tech advice to resolve these issues.

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Hi all, would really appreciate some help from you all!  I want to connect P50 to two external monitors and have all three displays (p50, monitor 1 and monitor 2) on.  Is that possible without a dock?Monitor 1 is a 21.5 inch Asus monitor with HDMI, VGA and DVI portsMonitor 2 is slight ancient 22 inch HP monitor with only VGA and DVI ports My P50 laptop has HDMI, Thunderbolt, and a Mini displayport connector. Can I connect the P50 to the two monitors and have the displays on all of them (including the laptop) be on?   If yes, what do you recommend is the best way to connect them?

A:P50 display ON plus two external monitors without a dock possible?

First, you haven't mentioned if you have a "discrete graphics" nVidia GPU in your P50. I will assume you do, and I will recommend that you set your BIOS to have Config -> Display -> graphics device set to "discrete graphics".  This will effectively disappear the built-in Intel HD Graphics hardware (from the CPU) which would normally control the laptop screen.  It will instead assign the nVidia GPU to control the laptop screen as well as all externally connected monitors.  You should then download and install the normal latest retail nVidia graphic driver for your Quadro GPU from the nVidia driver download site.
Next, you should use both the miniDisplayPort and HDMI connectors on your P50, to connect to the external monitors. You can connect the HDMI port on the laptop to the monitor which has an HDMI source connector, using a regular HDMI-HDMI cable.
The second external monitor can be connected to the miniDP connector on the P50, but you will need a proper modestly priced miniDP->DVI cable like this one.
That's it. You can use the nVidia Control Panel (installed as part of the normal nVidia driver) to activate all three screens and also to set the desired resolutions on all three screens.

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I have several users who are on T480s laptops with intel graphics connected to Ultradocks. They would like to have 2 external monitors in addition to the laptop screen and use all 3 as extended desktops. When I try and set that up, one of the external monitors mirrors the built in screen. I cannot seem to get all three to work independantly. The graphics display properties won't let me say all three should be extentions. What am I doing wrong?

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I am trying to connect two Sceptre U27 4k monitors via display port to the Thinkpad Ultra Dock 40A2 and i'm not having any luck. With a Thinkpad x470s) I can get 1 working but the other monitor just doesn't see a signal. The only setup i've gotten to work is one monitor at 4k @ 30hz on a Display Port and the other at 1920x1080 via DVI I have tried:both display port, 4k @ 30hz (<--- what i'd like to get working since both at 60hz isn't an option with this dock I don't believe)one display port, 4k @ 30hz, one hdmi 4k @ 30hz (via hdmi on the back of the dock)one display port, 4k @ 30hz, one hdmi via hdmi port on the side of the laptop Is anyone familiar with what magic combination of cables and ports would allow me to run both 4k monitors at 30hz, via the two display ports at the back of this dock? I would think updating the docks firmware may help ( https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/ThinkPad-Pro-Dock-ThinkPad-Ultra-Dock-or-Thin... ) but there inlies another issue.  Our corporate image on these laptops is RHEL 7.5 and I do not see an option to flash any firmware available from linux unfortunately. Any help would be greatly appreciated. 

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We're having difficulty with P2414H and P2314H monitors not entering sleep mode when plugged in via Display Port. As soon as I unplug the Display Port connection, the monitor says that it doesn't see a connection and is entering sleep mode (Windows 7 Pro, desktop or laptop). But plug the Display Port cable back in, and the monitor will go blank, but not enter sleep mode.
During sleep mode the power drops to the backlight and the power button pulses. What's happening in this case is that the power button stays lit as does the backlight.
We tried the test with a VGA cable on the 23" monitor and it properly went to sleep mode. We tried a DVI cable on a 20" Dell monitor and it also goes to sleep mode properly. The issue only seems to occur when using the Display Port.

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I am trying to connect two Sceptre U27 4k monitors via display port to the Thinkpad Ultra Dock 40A2 and i'm not having any luck. With a Thinkpad T470s) I can get 1 working but the other monitor just doesn't see a signal. The only setup i've gotten to work is one monitor at 4k @ 30hz on a Display Port and the other at 1920x1080 via DVI I have tried:both display port, 4k @ 30hz (<--- what i'd like to get working since both at 60hz isn't an option with this dock I don't believe)one display port, 4k @ 30hz, one hdmi 4k @ 30hz (via hdmi on the back of the dock)one display port, 4k @ 30hz, one hdmi via hdmi port on the side of the laptop Is anyone familiar with what magic combination of cables and ports would allow me to run both 4k monitors at 30hz, via the two display ports at the back of this dock? I would think updating the docks firmware may help ( https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/ThinkPad-Pro-Dock-ThinkPad-Ultra-Dock-or-Thin... ) but there inlies another issue.  Our corporate image on these laptops is RHEL 7.5 and I do not see an option to flash any firmware available from linux unfortunately. Any help would be greatly appreciated. 

A:T470s and Ultra Dock 40a2 dual 4k display port monitors not functioning

I'm thinking my best bet may be to use a Display Port to USB-C/Thunderbolt 3 cable for one monitor and the docking stations display port for the other.

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What is the better solution to connect to external monitors HD 1920x1080 plus the laptop monitor (3 displays total)?

By hardware i can only connect 2 (laptop + external monitor).

The better solution is a dockstation ? Wich one?

An adapter ?
Thank you

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I have an XPS 15 9550 and trying to use the laptop display plus 3 external monitors (total of 4 displays).  There are ports to do this (using HDMI, Display port to HDMI, and VGA) but I can't seem to extend the desktop to all 4 displays.  Is this possible, or am I limited to 3 displays total?  Running Windows 10 64-bit and standard NVidia graphics software.

A:XPS 15 9550 - Possible to use 3 external monitors plus laptop display?

Bear in mind the Intel GPU is the one connected to the displays - the nVidia GPU is just a co-processor.  I don't think any of the Intel GPUs support more than three simultaneous displays - if you need that support, you'll need an external video adapter of some type.

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Hello, all our T490s with 1903 version have blured screen when connected to external monitors via Thinkpad USB 3.0 Ultra dockhas anyone have the same issue?

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I just received my P50 and workstation dock to replace my W530 + dock.  With my W530, I was able to use my 2 identical extenal displays (DVI-DVI) along side my laptop display for 3 screens total.  All running 1080P.  In the Nvidia control panel it displayed all three screens under the "Set up multiple displays" and I was able to set screen, 1,2,3, etc.  It listed the two external displays and the internal laptop display. With the P50, it only lists my two external monitors and NOT the laptop display under Nvidia Control Panel.  The two external monitors are connected differently due to different port config on the new workstation dock.  Currently they are DVI-DVI and HDMI-HDMI.  Device Manager in Windows 10 lists my two external monitors and one "Wide viewing angle & High density FlexView Display 1920x1080" which is the laptop display.  Under Windows 10 display settings it shows displays 1,2,3 (only two screens shown though) with two screens either being mirrrored or extended. Net, net, I am unable to use all three screen independently as I was on my W530+dock.  Nvidia, only sees the external displays; Windows 10 recognizes 3 displays, but forces 2 to either be extended or mirrored. Anyone esle run across this, and if so how were you able to resolve?  I must have use of all 3 screens.  This is a deal breaker for me if I cannot use all three screens simultaneously and indpendent of one another.  Any... Read more

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The problem: Latitude E6440 external display blinks when connect via hdmi (see attached video file)
Dell Latitude E6440: Bios A13, Intel(R) HD Graphics 4600,AMD Radeon HD 8690M.

In charging state (while charge level less than 100% ) - no problem, after 100% - again problem
Some test cases:Primarily AC Use: problemCustom mode: 50% start ...90% stop charge (~70% charged level) - problemExpress mode: problemSome correlation from time after ON:~ 1....15 min - often (up 3..5 mins between re-connection HDMI)~ 15.....30 min - rare (up to 10 mins between re-connections)

A:Latitude E6440 external display blinks when connect via hdmi

Hi SI K,
If you haven't already done so can you update the Intel 4600 and AMD8690M first.
If the issue is still there then:
1. Restart the system and tap F2 to enter to the Bios
2. Navigate to 'Virtualization' and choose Disable (uncheck the box)  
3. Also disable VT for Direct Io and Trusted Execution 
4. Return to the main menu in the Bios and select Power Management Option and disable Advanced Battery charge configuration
Once you have done that check to see if the issue is resolved.
If it isn't then open the Intel Graphics Control Panel, go into Advanced Resolution and change the frequency for the LCD from 40Hz to 60Hz

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I have a user's laptop that is experiencing a problem I have never seen before involving Word Art in MS Word 2010. When she received it the document opened properly and she could see it properly. However, a second user--who also received the document--asked how to remove the "DRAFT" on the document. The user I'm trying to help was confused because she could not see it on her screen, which are two external monitors. When I went to her to start troubleshooting, we discovered if we changed the background color to anything but white we could see it, but as soon as we change it back to white we can no longer see it. I had her change the color of "DRAFT"--which is inserted Word Art and NOT a watermark, we discovered--but that effected no change. I then had her move to a new workstation with a different docking station/external monitors/etc but received the same problem. However, we soon discovered that we COULD see the "DRAFT" art on her laptop's display. Additionally, I discovered if I attached a video cable (I used an HDMI-to-HDMI) directly from the laptop to an external monitor that I could see "DRAFT" on the external monitor. Has anyone else ever seen this happen before? Updating all drivers has not solved the problem, either. I'm thinking there is a problem with the docking station connector on the laptop; beyond that I'm really scratching my head on this one.

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My laptop hardware don't permit to connect 2 external monitors + laptop display.
What is the best solution ? dockstation?


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I'm using a Latitude E7440 with a Dock and two monitors connected to it. (Both with DVI)
Sporadically (often already shortly after starting the laptop) one or both of the monitors are going black for about 5 and come back after.
I already tried several things to fix the issue but haven't been able to find a solution yet.

What I've tried so far:

Update to latest BIOS
Use different display driver
Used a different dock
Mainboard replacement
Installed latest MST HUB FIrmware
Disabled Display Port in the monitor settings
At this point I don't know what else to do to fix this issue and I'd really appreciate any help from others.

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