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Thinkpad X1 P1 external display not recovering correctly from sleep (Thunderbolt, Display Audio)

Q: Thinkpad X1 P1 external display not recovering correctly from sleep (Thunderbolt, Display Audio)

P1 i7-8850H, 32GB RAM, Quadro P200 conected to a LG 32UD99-WBoth in Windows 1809 and 1903 when resuming from sleep it will randomly happen that:Audio through the external display is lost. Audio device shows a warning mark and you have to disable/enable in device manager to get it back working.External display is no longer recognized (2 times in 24 hours) you have to disable/enable the Nvidia Quadro P2000 in device manager to get it back working. Connectivity is unreliable regarding internal graphics, external screens and thunderbolt It seems to me that these recurring graphics, display and thunderbolt issues found in P1 X1 machines are related to it. Is there anybody experiencing the same? This is a summary of bios versions with fixes related to issues alike.<1.21>UEFI: 1.21 / ECP: 1.10- (Fix) Fixed an issue where WMI BootDisplayDevice option is incorrect. - (Fix) Fixed an issue where the system might not resume from hibernation on Discrete Graphics mode with Windows10 version 1809.<1.19>UEFI: 1.19 / ECP: 1.10- (Fix) Fixed an issue where the system might BSOD when connected the external monitor.(Note)NVIDIA Graphics Driver v25.21.14.1735 or later version is required.<1.18>UEFI: 1.18 / ECP: 1.08- (Fix) Fixed an issue where the system might not boot with Hybrid Graphics.(Note)If the UEFI BIOS has been updated to version 1.18 or higher, it is no longerable to roll back to the version before 1.18 for boot problem prevention.- (Fix) Fixed an issue where the system might not boot when disabled Audio deviceby ThinkPad Setup on UEFI BIOS version 1.15 and 1.17.<1.17>UEFI: 1.17 / ECP: 1.08- (Fix) Fixed an issue where the system might not boot with Discrete Graphics.- (Fix) Fixed an issue where the system will black screen under OS environment.<1.15>UEFI: 1.15 / ECP: 1.08- (Fix) Fixed an issue where the system might hang up when Thunderbolt BIOS Assist Mode is changed on Diagnostics Boot Mode.<1.13><1.12><1.10><1.09><1.08><1.07>

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RELEVANCY SCORE 200
Preferred Solution: Thinkpad X1 P1 external display not recovering correctly from sleep (Thunderbolt, Display Audio)

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.)

RELEVANCY SCORE 105.2

Hello I seem to have a problem on my P53 laptop, as the external displays, connected on the two HDMI ports on the Lenovo TP Thunderbolt 3 Workstation Dock(Product nr.: 40AN0230EU), they just randomly turn on on the first try. If they not turn on, on the first try, I have to put it back to sleep and then awake again at once. I always use the power button on the dock.So where can I see what firmware version I have for my Thunderbolt 3 Workstation Dock. I se that I have controller driver version 1.41.648.4.I've also search on Lonovo's site to find a download, but can only find this site: https://pcsupport.lenovo.com/us/en/products/accessory/docks/thunderbolt-3-workstation-dock/40an/down... but I can not see the workstation dock listed, just the Thunderbolt 3 dock, but maybe that cover's both? The version listed is: V1.0.0.20 of 07 Aug 2019. I'm also very confused about what dock I really have, is it the:  ThinkPad Thunderbolt 3 Workstation Dock, ThinkPad Thunderbolt 3 Dock Gen 2 or the ThinkPad Thunderbolt 3 Workstation Dock Gen 2 , or are they all the same as they seem to use the same driver if you look at this site:  https://pcsupport.lenovo.com/us/en/downloads/DS505148  , here the latest driver version are : V10015 of 23 Sep 2019. It's also odd that the Sep version(10015) has a lover number that the Aug version(10020)?  I'm also very confused as if the terms firmware and driver's are used correctly, and are there really 3 different... Read more

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RELEVANCY SCORE 100.8

There are countless threads and posts with consumers/owners expressing issues with Lenovo ThinkPad workstations which are not delivering on expected (marketed) features/functionality, due to software related issues. Namely:
- ThinkPad Workstations lose support for external monitors when 'awoken' from Sleep mode and/or Hibernate mode
- Switching the graphics card leveraged by the system has no impact on performance (issues persist)
- It seems the only recourse is to restart the affected laptop and/or not use the features and functionality available on the device
--- this is also the most common "solution" presented to users in threads and/or users are advised to not to use multi-monitor configurations outright
 
Although many systems may be impacted, this post focuses on issues on the ThinkPad P50, the latest Workstation, which happens to have a NVIDIA Quadro M2000M graphics card.
- All BIOS/Firmware/Software is up-to-date as of writing, however, the issue persists
 
This sort of performance from a modern business-grade workstation is unacceptable.
 
As an owner of the Thinkpad P50, I would like to see this issue investigated & fixed before 2017 -- given there are threads/posts that go back, even beyond this year. This seems to be a known issue that's being willfully ignored by Lenovo and/or Think Engineering. If the issue cannot be resolved, then Lenovo needs to assume responsibility.
 
Mod edit:  ... Read more

A:ThinkPad Multiple External Display Issue - sleep r...

And what is the problem?
 
I use Thinkpad P70 with M3000 and WIndows 10 between two locations daily, each with different number monitors and different DPIs (one with 3 x 1920, one with 2 * 4K), sleeping while in the backpack, and no major problems. Rebooting maybe once a week, for non related reasons.
 
BIOS is set to Discrete only. 

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RELEVANCY SCORE 92

Hi!How can I use my iMac (Late 2013) as monitor for my Thinkpad P51(4K)?I tried this setting that doesn't work:- Apple USB-C to Thunderbolt Adapter on my Thinkpad- Thunderbolt to Thunderbolt Cable to my iMac Any ideas?  

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RELEVANCY SCORE 90.8

I have a Mac Thunderbolt display that has a Thunderbolt 2 connector. This display was working well with my previous ThinkPad running Windows 7.  Just recenlty I switched to a ThinkPad P52 running Windows 10. Plugging my display into the Mini DisplayPort 1.4 does nothing. In settings, trying to detect devices says "No Devies Detected". Does anyone know how to get my Mac Thunderbolt Dispaly working on my ThinkPad P52? Thanks. 

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RELEVANCY SCORE 90

Can I connect my ThinkPad T480 to a MAC Thunderbolt (2) Display? 

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RELEVANCY SCORE 90

I am trying to connect a ThinkPad t460s to my 27'' Apple Thunderbolt display. There's a port on the right hand side of my notebook which accepts the connection from the Thunderbolt plug, but nothing shows up on my display when I plug it in.  I am not a computer person and have no idea why this is happening. Any help/advice would be greatly appreciated. Thanks!

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RELEVANCY SCORE 89.2

Hi,after figuring out, that the USB-C Gen2 Dock does not support 4k and something else output with a T490s, I got a Thunderbolt Dock Gen2.I am using a BenQ EW3270U and Samsung U28E590 (2x 4k) now and have some serious issues with dock working with the T490s. When my notebook is closed and not used for some time (so I guess it is off/deep standby) and I connect it with the dock via thunderbolt port, the dock recognizes it, the laptop LED indicator shows charging and I turn on the system via the dock. Then the fan of the notebook turns on, but the monitors usually stay in standby. Sometimes I have a half image on one of the screens with black lines in it (mouse not moving/frozen). I can reconnect the dock with the notebook and sometimes it works then and sometimes not (hard restart via notebook power button - long press - is necessary). Furthermore, when the system is running "fine", the screens suddenly turn black, the notebooks makes a sound and it seems like it has lost the connection to the dock. Then the monitors get a signal again at once, but the power led does not show charging anymore (and windows actually shows that the notbook is running on battery now). To be honest, I don't even have a clou where to start to figure out this mess. Pretty expensive setup just not working flawlessly together is a pain!

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RELEVANCY SCORE 88

Can I connect my ThinkPad T480 to macintosh thunderbolt (2) display monitor?

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RELEVANCY SCORE 86.8

Hello everyone, At the end of last year I bought a bunch of Carbon X1 7th Generation laptops for our office, and several of these are suffering from the issue that is also described in these threads: https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X1-Carbon-6th-gen-HDMI-not-working/td-p/40915... https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X1-Carbon-6th-Gen-HDMI-Not-Working-and-Thunde... Basically, the laptops will occasionally cease to recognise external displays, and when this happens Thunderbolt has also gone missing. The top thread mentions that firmware has been released in June that should solve the issue (post 41), but as far as I can see our systems are currently up to date according to Vantage with Thunderbolt driver 1.41.729.0 installed, and the problem persists. (Granted, the thread was about 6th gen, and I am not sure how relevant it is for 7th gen laptops). Another solution mentioned in the same thread is to reset the laptop with the small button on the bottom. This does indeed solve the problem, but only temporarily - after a while, the issue returns. What I am therefore looking for is a permanent fix for this problem, but since I am out of ideas myself, I am hoping that someone here might have another suggestion. Any help would be appreciated. Many thanks!

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RELEVANCY SCORE 86.4

Got a sealed refurb from Lenovo, Thinkpad X1 Extreme 20MF000DUS.Updated everything from Lenovo + Windows (including BIOS to 1.18 )I have an external USB-C gen2 monitor (single cable for Video+power) Works absolutely great on older Yoga... On this X1 Extreme machine it would sometimes work, but 80% of the time would not. Monitor gets power, but no signal.It would also spit out error of USB device not recognized and this in device manager:Windows has stopped this device because it has reported problems. (Code 43)A USB port reset request failed. Also, sometimes it would show this in device manager under UCSI USB controller when monitor is plugged: Windows has stopped this device because it had reported problems (code 43) External USB-C hard drive works... on Thunderbolt. The long list of things I have tried to make monitor work:Uninstalling usb drivers / rebooting machine.Trying both Thunderbolt portsTrying a different cableRunning Vantage diagnosticManually installing latest chipset driverDisabling security for Thunderbolt in BIOSSetting a power plan for maximum performanceDisabling power savings in USB portsTalking to absolutely ridiculous Thinkpad for nearly 2 hours without even trying to troubleshoot my problem.  What I found a bit strange:There are no dedicated (separate) USB drivers on Lenovo support page for my laptop. The USB driver dates are 2006 in device manager... I do not believe there were any USB-C laptops 12 years ago... Ca... Read more

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RELEVANCY SCORE 86

Has anyone experienced this issue below? I disable my internal Quadro M1000M, I plug in my eGPU (AORUS 1070 Gaming Box) via Thunderbolt, use it for a while. Then when I'm done using it, I unplug it, re-enable my Quadro M1000M and plug in my external monitor via HDMI.   The display driver crashes for both my Quadro M1000M and my Intel HD Graphics 530 and the external monitor never works.  Microsoft starts a Microsoft Basic Display Driver. I tried disabling and re-enabling both display adapters but external monitor still won't work, it just crashes the adapters again. The only fix to this issue I have found is to uninstall the Quadro M1000M in the device manager and restart the computer. Then after it restarts, I can use the external monitor again with the Quadro M1000M. So it's easy to do and not a huge pain in the butt, but if anyone knows a way to fix this issue without needing to restart my computer, that would be a great help.

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RELEVANCY SCORE 85.6

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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RELEVANCY SCORE 84.8

I have a P1 GEN2 OLED. While the internet is flooded with complaints of the OLED screen itself, the thunderbolt 3 port of my P1 GEN2 magically stopped working for no reason.  I have been using the laptop with an external display ever since I got the laptop. All went well. Suddenly from yesterday, the external display starts turning into a blue sreen with "NO SIGNAL" shown on it.  I had a windows cumulcative update (KB4532693) and windows security update (KB4524244) yesterday and I suspected that the update might be the culprit. I rolled back the OS. No change. Still NO SIGNAL.  I searched this Forum. Played with Thunderbold 3 menu in the Bios. Everything was enabled and every single option of "security level" was tried. Still NO SIGNAL.  I checked Intel Mangaement Engine software. It is already the latest version. Reinstalled it. Still NO SIGNAL.  I checked Nvidia driver. Latest version already.  In sum, the problem is: the thunderbolt port is still able to power the extenal display but just simply does not pass signal to the external display. HDMI port, however, still passes signal if use an HDMI cable.  I want to give it a shot here to see if anyone has experienced similar issues and how they sovled the problem before I call Lenovo technical support, the staff of which does not seem to know more than some people here on this Forum. 

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RELEVANCY SCORE 84.8

Hi, I'm having issues with my external 4k display to only be able to operate at 30Hz. I have my laptop connected to a generation 2 Thunderbolt 3 dock via the provided cable, and from there I have tried both DisplayPort and HDMI cables (several) to connect to my display.All the technical information I have seen says that my laptop plus the dock should be able to operate at 60Hz even at this resolution, but I'm unable to lock down the settings that enable me to do that. I have pulled the latest BIOS, TB3 FW, display drivers, Intel chipset drivers from the product page.My screen is: AOC U3277FWQ if that matters. I'm running Windows 10 Pro 1809. Has anyone battled with the same issue? I'm running out of ideas on how to solve this. The HDMI port on the side is apparently only 1.4 so this would only support the [email protected], but I'm not using it at the moment. If I set the screen to 1920x1080, I can set the resolution to 60Hz. Best regards,_tero

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RELEVANCY SCORE 84.4

I bought an Inspiron 15 3542 a few months ago. I connected it an external Acer 27' monitor via hdmi cable. It didn't  work. However, I could connect the same monitor to my older Acer Laptop via same hdmi cable without any problem.

I installed the latest video driver from dell.com, setup with 60p HZ, and the monitor only worked fine for a few seconds then went black (same as before). However, when I changed the display setting to 60i HZ, the monitor worked but the display was a little shaky/blinking.  Please help.

A:Inspiron 15 3542 can not display correctly on external monitor.

Hi,
You may want to take a look at this article on setting up and troubleshooting multiple monitors in Dell laptops.  While it doesn't sound like you're using the FN+F8 key to set up multiple monitors the basic concepts of how to adjust display settings, how to tell the system to display onto external monitors, etc., are the same. 
Let me know if this helps or not.   It could simply be that the resolution and refresh rates of your monitor are outside the range of what the laptop is currently set up to handle.   Have you tried the on-screen setup utility that comes with most monitors?  Try resetting the monitor to default (factory) settings and see if that helps.
Todd

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RELEVANCY SCORE 81.2

I am working with a thinkpad L560 conected via vga to a hp monitor and when the laptop goes to sleep it resets to the lap top display instead of the windows staying open on the external.  Please help

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RELEVANCY SCORE 80.8

I have connected a Thinkpad X1 carbon (model:20BS0057AD) to ThinkPad OneLink Dock which further connects to a ThinkVision Pro2820 28-inch LCD monitor using DisplayPort. In order for the display to work through the dock I have to power down and power up the Dock and Monitor for the monitor to receive display signal. Once its working and I disconnect the dock from the laptop and reconnect it back, the monitor will not come on and remain in low power mode with amber light. I then have to go through the power down and power up cycle for the monitor to display laptop output signal or else it will remain in low power mode. Previously was using a Thinkvision L2251p monitor and never faced any such issue. Is there a fix for this issue

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RELEVANCY SCORE 80

Greetings all, 1) I am using X1 Carbon 5th Gen with all the latest drivers and Windows updates.2) I connect the laptop via it's Thunderbolt to an external LG 4K monitor's displayport.3) However, the external monitor can't seem to wake up from sleep or during boot / restart or auto detects itself.4) The only solution is to unplug the USB-C-Displayport cable everytime I need to connect to the external monitor. Once i plugged it in, the external monitor will then wake up.5) Is there a way to make the external monitor to wake up from sleep or during boot up automatically without having the need to unplug/plug the cable everytime?6) Appreciate any suggestions or solutions. Moses

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RELEVANCY SCORE 80

Hi, I am using the default settings in the Power and Sleep settings. The notebook is plugged in to AC Power. It is plugged into the thunderbolt docking station with mouse, keyboard and ethernet connected. The display is supposed to turn off after 10 minutes and the computer is supposed to sleep after 30 minutes of idle time. It I do not connect an external display, everthing works fine. If I connect an HP27sv monitor to an HP DVI-to-DisplayPort adapter, and plug that into the docking station, then I get the following behavior. After a reboot, everthing works fine up till the first time the computer sleeps: The display turns off after 10 mintues and wakes up fine. After 30 minutes the computer goes to sleep.  However, once the computer has woken up from sleep mode, then it always goes back to sleep after two minutes. No matter what I do with the Power and sleep settings the computer goes to sleep after two minutes of idle time. I can also reproduce the bug using the sleep button on the keyboard: Connect external display Press sleep button on keyboard, computer goes to sleep Wake up computer and sign in Wait two minutes with no activity, computer goes to sleep again (should be 30 minute wait) This system has the NVidia Quadro M1000M display adapter for the docking station display ports. NVidia driver version is 354.86 

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RELEVANCY SCORE 80

I routinely use a second monitor but these last few weeks either the laptop doesn't recognize the 2nd monitor or else it does breifly and then the monitor blanks and goes into low power/power saving mode.  Same issue with two different monitors.  There is no problem with the laptop's built-in display. After researching, I suspect it is a by-product of the recent Windows 10 update.  Mixed advice on solutions.  I tried updating all my drivers from Windows Device Manager.Several posts recommended going to manufacturer (intel) and downloading drivers. Its automatic utility did not detect a current driver, but under older versions there was one from about a year ago. (I didn't try to install.)I've changed power settings so have monitor "always on". No difference. What else can I try? This is really frustrating.

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RELEVANCY SCORE 80

Hi, my external display lost ability to fall into sleep after inactivity timeout is reached. It just turns to black screen, apparent the display is active (I don't use the blank screen screensaver). The display only switches to standby if I unplug the signal cable. Withal it was able to switch into full standby earlier. So something had to change.

I did walk through monitor menu to find if there's some settings for power saving mode, there's none.
Connected via HDMI. Have searched a bit for this problem and found only this be closest to my problem: windows 7 - Monitor doesn&#39;t sleep on power off - Super User but the topic doesn't have a solution for me (I don't see any DPMS or power off options, probably for that BIOS is in UEFI mode).

powercfg /availablesleepstates gives this report


Code:
The following sleep states are available on this system:
Standby (S3)
Hibernate
Hybrid Sleep
Fast Startup

The following sleep states are not available on this system:
Standby (S1)
The system firmware does not support this standby state.

Standby (S2)
The system firmware does not support this standby state.

Standby (Connected)
The system firmware does not support this standby state.


Any resolution on this issue?

A:External LCD display won't fall into sleep (only blank)

Do you have another monitor to try? It sounds like the graphics card realizes the computer is idle, and so it stops sending data to the monitor, but the monitor seems not to understand it needs to go into standby mode.

Swapping monitors with another computer will reveal if the problem is with your monitor, or your computer, depending on if the problems moves to the 2nd computer with your monitor, or stays with your computer with the 2nd monitor.

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RELEVANCY SCORE 80

This model is with Xeon CPU, Quadro P2000 graphics card and 1080 screen. The model of the monitor is Dell U2713HM.  When I connect my P52 to this dell monitor via a miniDP to Displayport cable, the monitor model is recognized in "Nvidia control panel" and "Display settings" of Windows, but in Display setting it shows "second display is not active". The screen remains black with a floating window: "no signal received".  Attempts so far: - In BIOS, I tried switching the graphics option from "hybrid" to "discrete", and set the start-up delay to 10 seconds. When I restart, the start-up Lenovo logo and the BIOS interface is displayed on the external Dell monitor. However, as the machine enters windows, the external display goes black (and so does the laptop display, until I unplug the cable).  - Also, I tried the miniDP to DP cable on other machines and the same screen. Works fine.  - When the laptop is connected to the same screen via a miniDP to DVI-D connector and a DVI-D cable, the Dell display works, regardless of whether I am in "discrete" or "hybrid status". However, I need to set "customize resolution"  in the Nvidia control panel to "2560x1440 40Hz" manually. (Dell display should work at 2560x1440 @ 60Hz, but it does not). Anyway, it shows that the miniDP port is not broken.   - The monitor works alright when connected to Lenovo D20, a desktop computer that I... Read more

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RELEVANCY SCORE 80

Just got my new lenovo Thinkpad T460s, so far everything is going perfect. I just ran into an issue. When connecting an external screen via a standard HDMI cable to my Thinkpad T460s, the notebook does not detect the second screen. All the information on the lenovo website sugests that it should atomatically detect external screen via HDMI connection. Is there something I am missing? * Restarting does not work* Updating the display driver does not work* Cable does work on other notebooks Any help would be greatly appreciated.   

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RELEVANCY SCORE 80

My Thinkpad Yoga 460 is around 2 yrs old, and has been excellent. However, recently, the display has suddenly failedto come on, after going into sleep mode. I have tried numerous reboots, updated the graphics driver through Lenovo's software update service, had my IT department look at it etc & bizarrely, running the Lenovo Vantage detailed diagnostics software does not identify any failure at all! It seems that all other functions of the laptop still work - I can use it by plugging into a remote monitor by HDMI. More curious is that the laptop screen touch sensitivity and digital pen still work (i can see this when using the remote monitor) and the camera works. I am therefore entirely unsure as to whether this is a hardware or software fault.I am puzzled about how to contact Lenovo directly about this. Surely there should be a technical helpdesk to answer what the diaganostics software failes to identify. So far I have not found any direct contact after a long time searching differnet webpages. If anyone has encounterd this problem or has any idea of diagnosis and remedial action, I would be immensely grateful. Also, if anyone knows how to get official Lenovo help, that would also be great!Many thanks, Julian_D 

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RELEVANCY SCORE 79.2

i have an external display connected via dcmi port. when computer awakes from sleep mode, the display is not recognized. even if i disconnect/reconnect the device from port, it is not seen. i must restart computer before device is recognized again. i also have similar problems with 10 port usb hub, but disconnect/reconnect fixes it.  Both fixes are overkill.  I didn't have any problems with these connections on old laptop. please advise.thx.

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RELEVANCY SCORE 79.2

This only happens when the laptop charger is plugged in, if it is not plugged in the display is detected and works properly.

Intel i5 2450m

4GB ram

Intel HD 4000 graphics.

Unsure what other info could/should be provided.

A:Lenovo Thinkpad does not detect external VGA display when charging.

I still need help with this. If any other information is needed please let me know and I will do my best to provide it.

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RELEVANCY SCORE 79.2

There are countless threads and posts with consumers/owners expressing issues with Lenovo ThinkPad workstations which are not delivering on expected (marketed) features/functionality, due to software related issues. Namely:- ThinkPad Workstations lose support for external monitors when 'awoken' from Sleep mode and/or Hibernate mode- Switching the graphics card leveraged by the system has no impact on performance (issues persist)- It seems the only recourse is to restart the affected laptop and/or not use the features and functionality available on the device--- this is also the most common "solution" presented to users in threads and/or users are advised to not to use multi-monitor configurations outright Although many systems may be impacted, this post focuses on issues on the ThinkPad P50, the latest Workstation, which happens to have a NVIDIA Quadro M2000M graphics card.- All BIOS/Firmware/Software is up-to-date as of writing, however, the issue persists This sort of performance from a modern business-grade workstation is unacceptable. As an owner of the Thinkpad P50, I would like to see this issue investigated & fixed before 2017 -- given there are threads/posts that go back, even beyond this year. This seems to be a known issue that's being willfully ignored by Lenovo and/or Think Engineering. If the issue cannot be resolved, then Lenovo needs to assume responsibility. ThinkPad owners and/or others... Read more

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RELEVANCY SCORE 78.4

I am using a 2013 Ultraslim Docking Station with my Elitebook 1040 G3 and have a Dell P2417H monitor. When I put my laptop on the docking station, almost without fail, the local display turns black with just the mouse cursor on it and the external display stays in sleep mode.  Most of the time, if I send the laptop to sleep, then wake it up again, the external monitor wakes up.   Why do I have to go through this process twice EVERY time I put my laptop on the docking station? Is there anything I can do to resolve this? I have replaced the docking station and the issue is still present. A co-worker uses the old docking station and experiences no problems.

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RELEVANCY SCORE 78.4

HiI have a Dell monitor P2419HC and using it with Lenovo T480s via USB-C port. (it both charges the laptop and display)But, when waking up the Lenovo T480s from sleep mode, the P2419HC won't recognize the signal and says "no USB Type-C signal from your device".Reconnecting the USB-C cable from the Lenovo T480s solves the problem. When asked in Dell forums i got the following response:"By disconnecting/reconnecting the USB Type-C cable from the Lenovo T480s, you are forcing the Lenovo T480s operating system to "initiate" the USB Type-C handshake to the P2419HC. The Lenovo T480s hardware and operating system are responsible to make the connection handshake to the P2419HC. The P2419HC just waits for the handshake. The P2419HC does not "initiate" the handshake." link:https://www.dell.com/community/Monitors/P2419HC-Lenovo-T480s-no-USB-Type-C-signal/td-p/7279448 Is it fixable? Thanks!

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RELEVANCY SCORE 78.4

Hello all,

I've set my external monitor as primary because the laptop screen is broken, via Q&A: How do I make an external monitor my laptop's primary display?.

However, when waking from Sleep the primary display is switched to the broken laptop screen instead of the external. If I hit Window+P on my external wireless keyboard, I am able to select the external monitor and then it will come on, most of the time.

Is there a way to set the external monitor as the primary after sleeping? Perhaps a third-party program or registry tweak? I've googled around and searched this forum, but have not had much luck. All drivers are up-to-date

I found this forum post which looks promising, but not sure if the solution proposed is applicable to my case.

Thank you.

Laptop: HP Pavillion G6-1d60US
Monitor: Viewsonic VX900

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RELEVANCY SCORE 77.6

Hi, I'm using my Yoga 900 on the desktop for longer periods of time. When it awakes from sleep it does not always "remember" that it was last displaying on the external monitor. Sometimes I have no picture at all, sometimes I have the picture on the internal monitor. When I switch to external only with F10, it won't do that, so the external monitor (HP 24es) won't wake up. Up to now my only solution is to plug out and back in the Type C adapter (Apple 3x multi adapter). That's definitely not what I want to do several times a day. Thanks for any hint...!

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RELEVANCY SCORE 77.6
A:Thinkpad Carbon X1 Display BLANK after Update - External Monitor Works

I spent a day working on an issue and want to share to save folks time.  Bottom line, Intel Graphics Drivers WDDM 1.0, 1.1., 1.2, 1.3 automatically updated with Windows and broke the system. BIOS and Lenovo splash screen showed and safe mode worked fine showing this was not a hardware issue.  Windows began to load and the screen went black.  I connected an external monitor via HDMI, pressed power for 2 seconds to put the machine to sleep, pressed power again for 2 seconds and it woke up on the 2nd monitor. In Device Manager, the 2nd (HP w2007) monitor showed up and there was no mention of the laptop physically connected display. I reinstalled Windows 10 and all was well until the auto-update occurred and I had the same issue.I installed Windows 7 and all was well until I installed all updates, same issue. I didn't think this was a display adapter problem because the 2nd monitor worked just fine and it was the monitor that didn't show in Device Manager.  Alas, my assumption was incorrect. After HOURS of selecting which Windows 7 updates to install, nearly 180, I finally narrowed it down.  I thought it was a Windows problem, turns out this was an Intel Graphics driver issue. SOLUTION: I used Revo Uninstaller to remove the Intel Graphics driver program and the system recovers.  Sadly, in both Windows 10 and WIndows 7, the auto updates would put the drivers back and the same problem recurred.  I was finall... Read more

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RELEVANCY SCORE 77.6

My Thinkpad Yoga 15 has a problem, which may or may not be related to the BIOS update recently performed. When booting, the bootup screen only appears on an external monitor via the HDMI output. When performing the hardware tests in the BIOS, tests are done on the HDMI-connected display, the internal display does not seem to be recognized. I verified this using both Linux and Windows. It does not seem to be a hardware failure; I have been able to get the display on the internal LCD a few times, by powering down the laptop, holding the power button for about 20 seconds, then powering back on while pressing F1. The laptop will then function for a while, but loses its display after coming out of sleep. Needless to say, this is unworkable. Does anyone have any tips on how this could be fixed in a more permanent fashion or any indication to cause? BIOS does not allow me to turn off NVIDIA, or its opposite, to enable it exclusively. I also tried different drivers, from both Lenovo as well as NVIDIA and Intel, but to no avail. Any pointers appreciated.

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RELEVANCY SCORE 76.8

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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RELEVANCY SCORE 76.8

Hello, I have Thinkpad T440 (i5-4300U, Intel HD Graphics 4400). I am considering buying a LCD display with WQHD resolution (2560 x 1440) and I am wondering wheather it will work with T440. Important thing is that it will work with 60 Hz refresh ratio. According to the specification [1] it should work: "[email protected] (DisplayPort via Mini DisplayPort cable on integrated models)", but the refresh ratio is pretty low - 30Hz. The specification [2] for i5-4300U, Intel HD Graphics 4400 says something different: "Max Resolution (DP)? [email protected]". So the refresh ration is higher than in T440 specification - 60Hz. Also quick reference quide to Intel processors [3] confirms the resolution and refresh ratio: "U-Processors: 3200 x 2000 @ 60 Hz, 3840 x 2160 @ 30 Hz". Is 2560 x 1440 @ 60 Hz supported on T440? I hope that ThinkPad T440 specification is not accurate enough and that limit to 30 Hz refresh ratio only applies for 4k resolution (3840 x 2160). [1] http://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad%20T440/ThinkPad_T440_Platform_Specificatio...[2] https://ark.intel.com/products/76308/Intel-Core-i5-4300U-Processor-3M-Cache-up-to-2_90-GHz[3] https://software.intel.com/en-us/articles/quick-reference-guide-to-intel-processor-graphics

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RELEVANCY SCORE 76.8

I have just purchase the Lenovo Thinkpad W540. But currently we have issue with the built-in display. The phenomenon as below: 1. When power on - The built in display can show welcome screen, and even enter the BIOS setup screen. If let it boot normally, the built-in screen then off.2. When booted to Windows 8. The built in display still off. If I connect an external display to the VGA connector, the external display work well. Checked the display option see that it is "clone display --> Built in + External Display". I suspect that there is some thing wrong with the display setting that I don't know how to adjust to get the built-in display works properly. Note that I can see the build in display backlighting but there is no picture shown when in screen cloning setup. Can some one help on this ? Regards Triet Tran 

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RELEVANCY SCORE 76.8

I have lenovo thinkpad x1 yoga.I have one connect +VGA and RJ45 adapter. i am trying to connect the 2 external display  apart from laptop screen here is my input:one external display is connected to onelink via VGA and another display connect via HDMI.but this dosen't work whenever i plug either onelink or hdmi one of the external monitor will be switched off. isn't it possible to use onelink and HDMI together.??I am stuck here. 

A:Lenovo Thinkpad X1 yoga 1st gen connect 2 external monitors apart from laptop display via onelink VG

Hi,
 
The way I read the X1YG1 base specs it supports two independent monitors.  Apologies, but I can't quite parse your post.  Does "apart from laptop screen" mean that you want 3 monitors total, or two and the laptops's display is off?
 
supports external digital monitor via HDMI or Mini DisplayPort;supports dual independent displays;
 
Z.

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RELEVANCY SCORE 76.4

Signed up for this specific topic; been searching everywhere with nothing panning out.  Conexant SmartAudio HD, Lenovo ThinkPad OneLink Dock, and Intel(R) Display Audio are my sound drivers/controllers.  Conexant is running computer speakers in HD, I have no speakers connected to Onelink, and my real question Intel(R) Display Audio the dedicated HDMI driver is running through Onelink to my LG OLED TV.   Problem is Intel(R) Display Audio doesnt support HD formats I know with certainty my TV does in fact in sound settings it excludes tens if not hundreds of supported formats and is maxed at 2 channels while TV is 4 naitive upscaled to 7.1.  Up until 3 days ago I new nothing of any of this and first suspected the Onelink which it may still be but I'm convinced its the dedicated HDMI driver Intel(R) Display Audio. Is there any driver or software that I can use for HDMI from the Onelink that is passed through a sound driver/controller similar to Intel High Definition Audio driver which would allow me to have HD sound (this search began because of a stutter in sound for .2-2 sec every 5-20 min on HD playback in Kodi (post buffer and nonexistant on playback)).  Thanks

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RELEVANCY SCORE 75.6

Has anyone else seen this problem? I have external VGA display 1920x1080, in Win10 it is set as primary display.Both Intel and Radeon video adapters are enabled. Most of Win10 "modern" aka "metro" apps (Mail, Store) fail to render correctly when their window is bigger than the built-in LCD (1366x768).At least it looks like this. When I resize these apps more than certain size, the added area does not render and stays transparent or filled by background color.Moving the window around, further resize does not help. This behaviour started in version 1708 and still continues after 1803 update.   Please advice how to fix this. Very annoying. Thanks,Pavel A.

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RELEVANCY SCORE 75.6

Hello everyone, As described in the title, I have an issue with my Yoga 720 15" with the GTX1050 and external monitors. The external display disconnects whenever I launch a game in fullscreen mode or when I change and apply display settings in Windows 10 (for example when I change from extend to pc screen only and then back to extend). Basically whenever the screen has to turn black and reload new graphical settings. The only solution then is to replug the HDMI cable on the monitor.  I have tested this with multiple monitors and TVs as well as different types of connections such as usb-c to HDMI cables and usb-c hubs with integrated HDMI ports. Graphics drivers are all up to date.  Can anyone help me out here?

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RELEVANCY SCORE 75.2

When I put my laptop to sleep, the display would not turn on.  However, the HDMI output still works with an external monitor.  I reset Windows and the display worked fine again.  Then, after putting the computer to sleep, it went black again.  I don't want to reset Windows as there appears to be some type of bug in the BIOS/Windows drivers/Intel drivers.  Has anyone experienced this type of issue and been able to resolve it?

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RELEVANCY SCORE 75.2

This happens as soon as the VGA adapter is plugged in. Unplugging it does not turn the laptop screen back on. Toggling with the function keys does nothing. Since I cannot see anything I cannot try to adjust/correct display settings (or do anything for that matter, other than turn the laptop off by holding power key down).

The second display works (tested with a different laptop).

History: The external display worked fine with this laptop. We had a power failure yesterday which turned it off. The screen toggled to the laptop successfully (or I did, with the function keys--I don't remember) and I continued working. When power returned I started running into this issue. I reinstalled the display drivers from the original manufacturer disc but the problem persists.

msi A4000, Celeron dual Core T3100, Windows 7 Ultimate x64
NVIDIA? MCP79MVL, GeForce? 8200M G, Shared
External display: Acer LCD, AL 1916C

A:Laptop black when external display plugged in, #2 display also dark.

To shut down properly hit the Winkey, then the right arrow, then Enter.

This may be as simple as capacitors overcharged. Shut down, unplug, remove battery. Hold power button down for 20 secs.
Do same for monitor.
Then try.

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RELEVANCY SCORE 74.4

My P50 display is great on its own or when I have it connected to an external display and use both.  But once I disconnect the external display the fonts are WAY too small and unreadable.  Any way to fix that?

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RELEVANCY SCORE 74.4

My ThinkPad T500 running 64-bit Windows 7 Professional Edition worked great on and off a mini docking station with 2 external monitors. The dual-display setup allowed me to have more desktop space; when needed, I can take the laptop off the docking station (following undocking steps) and use it anywhere. This convenience no longer holds after upgrading to Windows 10.

With the T500 in the docking station (LCD lid closed), I can use the dual-display setup as in Windows 7. However, after shut-down and remove the T500 off the docking station and the T500 laptop becomes unusable because its LCD display doesn't show anything after boot. (While booting the laptop's display shows the ThinkPad boot logo and then some DOS-mode boot messages and then the windows 10 logo and its dotted spinning wheel; after the initial boot the display went blank and the Windows 10 desktop doesn't come up.)

The only way to make the T500 laptop usable on its own is to go through a "preparation procedure" and here is how the procedure goes: While the T500 is on the docking station in the dual-display setup with the 2 external monitors, open the T500's lid and set its display as the main display and then select to disconnect the other 2 external displays (in the Settings -> System -> Display page); then , in the T500's LCD display, select the shut down. Once the T500 is properly powered off, remove it from the docking station and the T500 can work on its own as a laptop supposed to be. W... Read more

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RELEVANCY SCORE 73.6

I have a bug that is fairly repeatable where when my laptop goes to sleep, the USB ports on the Thunderbolt 3 dock are not active when I wake the computer up. I can unplug the TB3 cable and plug it back in to regain access to the ports. Where can I report this issue?

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