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ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

Q: ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

Hi!I just got a new "X1 Carbon 5th Gen - Kabylake (Type 20HR, 20HQ)" and a "X1 Carbon Thunderbolt 3 Dock". I have an external screen connected to the dock and it works fine (VGA connection). I also have an other monitor with display (DP) connection that I want to use. But my computer can't find the other monitor, only the one with VGA connection. Is there any easy ways to fix this problem?Best regards

RELEVANCY SCORE 200
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A: ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

[Posted moved and topic edited for discoverability. AG]

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RELEVANCY SCORE 146

Hi all, Does anyone know how many external monitors can X1 Carbon connect to without dock? I am looking to buy an X1 with the following specs:     CPU Operating System Chipset Memory Storage Display Graphics Optical Drive Communication Ports / MediaIntel® Core? i5-7200U (3M Cache, up to 3.1GHz)Windows® 10 Home 64-bit Intel SoC (System on Chip) platform1 x 8GB LPDDR3 1866MHz onboard (Max 16GB) / 0 Free Slot256GB PCIe SSD (NVMe)14.0" Anti-Glare, FHD (1920 x 1080)Intel HD Graphics 620 2x2 802.11ac / Bluetooth 4.11 x USB 3.1 / 1x USB 3.0 / 2 x Thunderbolt 3 (support data, video, and power delivery) / 1 x HDMI / 1 x Ethernet extension connector / HD Audio / Conexant? CX11871 codec / stereo speakers 2W x 2 / dual array microphone / combo audio /microphone jack / MicroSD card reader, supports UHS-II microSD card My apologies if this was answered somewhere. Many thanks   Kenny

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RELEVANCY SCORE 136.4

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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RELEVANCY SCORE 134.8

We purchased a new X1 Carbon 6th Gen with the new Thunderbolt 3 Dock Win 10 1803 and have had all kinds of problems. Bad enough to consider other brand alternatives. All Lenovo drivers are current, we updated the firmware and drivers for the dock. With that we still have the following problems and dont know how to resolve them1. The network connectivity from the dock to laptop with USB-C loses connectivity on occasion. Also when the user shuts off the laptop, comes back and turns the laptop on, no network connectivity is re-established. The only way to fix this is to unplug the USB-C cable and plug it back in. Sometimes that will lock up windows and we have to do a hard shut down and start of the laptop. 2. Running the display out from the dock is not always reliable. The monitor will turn off randomly. To bypass this issue we have to just plug the monitor directly into the laptop. 4. Occasional random bluescreens with a stop  code DRIVER_VERIFIER_DMA_VIOLATION. This error is related to bad drivers.Are we missing something. Is there anything we have to set in the BIOS to resolve these problems? I've been reading up on this dock and a lot of people are having problems with this dock and carbon 6th gen laptops

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RELEVANCY SCORE 134.8

I have the Thunderbolt 3 Dock and it is charging up the laptop no issues. The issue is the network part. I have a network cable in the dock, but I am not getting network connectivity on the laptop.

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RELEVANCY SCORE 131.6

Hello, I'm trying to connect two external monitors (1920x1200) to my X1 Carbon 6th and only one of them actually works. The other one is displayed as a small square in Windows display settings. When I checked "Advanced display settings", I see all display adapters (3 total), but one of them shows up as "Display 3 isn't active.". I'm using a Thunderbolt 3 to dual displayport adapter (this one). Can anyone help me with this issue? Thanks!

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RELEVANCY SCORE 131.6

Hello Everyone, I am new here so please go easy on me.I just bought and X1 Carbon 5th Gen laptop c/w Thunderbolt 3.0 docking station.The problem that I have is that the docking station won't recognise any of the external screens that are connected.I am using two Acer screens (one is connected using HDMI port on the dock and the other one uisng Display port).I have tried by connecting just one screen but nothing.I can see that Thunderbolt software is installed and its connected to my laptop.The laptop will charge through the docking station and also the wireless mouse and keyboard will work fine through the dock.Lenovo recommended that i should update my drivers.So I installed Lenovo Companion from Windows store. But it won't update my system. After clicking on System Update, I will get an error message saying "There is a problem in reteriving new updates for your system.Please try again later".Hence I downloaded all the drivers from support website and installed them manually but my docking station is still not working with the external monitors.The monitors works fine when connected directly to the laptop using the HDMI cable. Thanks in advance for your help.

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RELEVANCY SCORE 126

Hello everybody,i am posting here because i really went through the whole www and still i have this issue, which is the following: My configuration is:X1 Carbon 3rd Gen (Windows 10 64bit)OneLink+ docking2 x ThinkVision P27q-10 monitors. The problem:When i connect both monitors to the dock, i get only one running / working.The only way I get both monitors working is if i connect the second one on my miniDP port directly on the laptop. And in this configuration i can have all three monitors working (laptop display + 2 external) Obviously i want to have them both connected on the docking station and use it properly. Thanks in advance for any solutions / suggestions. Dean

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RELEVANCY SCORE 121.6

I have a Thinkpad X1 Carbon 2 Gen that I want to set up 3 external monitors. I have 2 docks, Thinkpad USB 3.0 Ultra Dock and Thinkpad OneLink Pro Dock. Is it possible to run 3 external monitors?

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RELEVANCY SCORE 121.2

Have have about six instances now all are X1 Carbon 5th Gen using Thinkpad TBT 3 Dock. Laptops are not on recall list. In every instance when trying to connect to shares on these laptops get the following error from diagnostics. "The device or resource (computer name) is not set up to accept connections on port "The File and printer sharing (SMB)".  Contact your network administrator." All comptuer are Windows 10 Pro 64bit. All have the latest TBT 3 dock drivers from website. All aspects of SMB 1.0/CIFS File Sharing Support are installed. I have tried uninstalling and reinstalling the SMB 1.0/CIFS File Sharing Support. All other comptuers in the environment are not having this issue. I believe there is some issue with the Thinkpad TBT 3 Dock Ethernet. Anyone ran into this? If so did you find a fix?

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RELEVANCY SCORE 116.4

Hi, I tried connecting 2 monitors (mini DisplayPort and HDMI), they were recognised and showed up in the screen settings in Win 10, but only one would show an actual image.When I disconnected one, the other worked, but not both at the same time. Is that normal behaviour?So is it not possible to use 2 external monitors to work with?Do I need an extra device like a (OneLink) docking station?If yes, are they all compatible with my X1 (2nd Gen)? Thanks

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RELEVANCY SCORE 116

So I have an X1 Carbon Gen 5 (Kaby Lake) and the Thunderbolt 3 Dock Gen 1 (40AC0135US). I bought two 4k monitors and after several frustrating hours figured out that the Gen 1 dock can't output 4k on two externail monitors at 60hz, this appears to be a dock limitaion only. I see that you now have a Gen 2 dock (40AN0135US) that says it will do 2x 4k @ 60hz, only problem is that every compatability cross refrence I can find does not say the gen 5 X1 Carbon supports this new dock. I don't see a good reason for it not to be compatiable, but wanted to find out for sure one way or the other before I bought it, as it is not cheap. 

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RELEVANCY SCORE 114.8

Hey,  Hopefully someone can help.  I am using an X1 Carbon 6th Gen plugged into a Thunderbolt dock using two external displays.  When I plug in the dock, I find that my Microsoft programs are blurring. If I close and restart the programs they are fine.  Any advice? 

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RELEVANCY SCORE 114.8

Just got purchased the x1 carbon 5th gen along with the Thunderbolt 3 dock.  However, the dock will not charge the laptop.  Every time I get the error message "The dock is not supplying enough power to your computer.  Please use the ac power adapter that came with the dock".  I am, in fact, using the ac adapter that came with the docking station.  I have updated the bios as well as all of the other recommended updates and still get the same error message.  Does anyone have a solution?

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RELEVANCY SCORE 114.8

I recently purchased the X1 CRBON 5TH Gen (2017)...type 20HR plus a thunderbolt dock.I connected them together with a Dell 28" 4K (@30Hz) screen (p2815q) connected through DisplayPort from the dock, plus a Microsoft keyboard and Jabra 510 USB speakerphone.Using the Windows 10 stock image from Lenovo, plus Office 2016, Chrome, Visual Studio, Skype,  and various other apps (putty, RDP, SAP GUI, others) the video performance was atrociously bad. Alt-Tab, which I use heavily would take 3-4 seconds to respond, switching between applications, Windows would freeze and sometimes crash, I would often get blank or black windows in Chrome and Office. This was on the embedded Thinkpad screen as well as the external monitor.I ensured Windows Update was up to date, as well as Bios, Drivers etc through the Lenovo companion app. So...I dove into the BIOS and voila! There is a switch that lets me change the Video memory from 256 to 512 MB allocated!I went to change it, and it would not change until I changed the setting:BIOS > Config > Thunderbolt 3 > Security Level = from "User Authority" to "DisplayPort and USB"I switched that setting, and then set my video memory to 512 MB, rebooted and voila! Problem solved. I worked that way for a little while, took it into my office and plugged it back into my Thunderbolt 3 dock and while my video and LAN connections worked...my wireless keyboard (USB dongle), and Jabra 510 did not. Curious. I r... Read more

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RELEVANCY SCORE 114.8

Hi, all. I have a problem thunderbolt is not charge notebook, but usb ports and displayport working.1. I connect the Laptop with the Thunderbolt connector on the backside of the Dock (beside the HDMI/DP connectors) and on the frontside, not working.2. I updated all drivers.3. I go into the BIOS and "disable the battery for technical service".But if I use an AC power adapter, it charges.Does anyone have a solution?

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RELEVANCY SCORE 114.8

The X1 carbon 6th Gen supports Thunderbolt 3, yet it is not listed as compatible with the Thunderbolt 3 Dock Gen 2. Anyone have an idea why? Also the ThinkPad T470s.
 
https://support.lenovo.com/us/en/solutions/pd500265
 
The X1 Yoga 3rd Gen and X1 Yoga 2nd Gen are listed as compatible. Perhaps it just means that the dock has been specifically tested with the listed models? Surely Thunderbolt 3 is Thunderbolt 3 and the dock should work with plenty of other Thunderbolt 3 machines?

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RELEVANCY SCORE 113.6

Hello everybody, We have purchased the X1 Carbon 5th Gen Laptop, which by the way is a great piece of hardware, with Thunderbolt 3 dock.  The problem: the laptop does not recognize the dock. other laptop (identical with the problematic one, works perfectly... Any sugestions?

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RELEVANCY SCORE 113.6

Hello everybody, We have purchased the X1 Carbon 5th Gen Laptop, which by the way is a great piece of hardware, with Thunderbolt 3 dock.  The problem: the laptop does not recognize the dock. other laptop (identical with the problematic one, works perfectly... Any sugestions?













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A:X1 Carbon 5th Generation problem with Thunderbolt 3 dock

There are BIOS settings related to Thunderbolt (in the "Config" menu of BIOS setup), are these settings configured identically on both ThinkPads?  As an experiment, try setting the security level to "No Security" and see if you can get it working that way...
 
Same BIOS version on both ThinkPads?

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RELEVANCY SCORE 113.6

Hi All,  I recently got two 1920x1080 monitors and have been attempting to hook them up to my Thunderbolt 3 dock and X1 Carbon with no success. All firmware has been updated, and the dock detects each display individually, when the other is disconnected and reconnected. Everything else works on the dock with no issues.  Thanks.

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RELEVANCY SCORE 113.2

I have recently received an upgrade laptop at work. On my previous laptop (ThinkPad, unsure of model), I was able to connect one external display monitor directly to the VGA port on the laptop and an additional external diplay monitor to the ThinkPad Pro Dock station VGA port. I prefered to use these two screens with my laptop closed on the docking station, but could also open the laptop on the dock and have a third screen available. ISSUE: With my new ThinkPad (T440) there is no VGA port on the laptop. I have purchased a simple HDMI to VGA Converter Adapter - see link:https://www.amazon.ca/VicTsing-Gold-plated-Converter-Ultrabook-Devices-Black/dp/B016LVT51G/ref=sr_1_...   I am using the same ThinkPad Pro Dock station as with my previous laptop. With my new T440 I am able to work with my laptop open or closed on the docking station with one external display plugged into the docking station. I am also able to work with one external display plugged directly into my laptop using the VGA to HDMI converter adapter.  ISSUE 2: The laptop will not recognize when both screens are plugged in at the same time, but they each work when I have only one plugged in either to the dock or directly to the laptop. PLEASE HELP!! TIA

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RELEVANCY SCORE 112.4

Anyone have a fix for the x1 carbon laptop going to sleep mode very quickly (1-2 minutes) while using a lenovo docking station?  It doesnt happen when i use the laptop without dock.  Ive tried all the normal setting in windows.  they are set to 15-20 minutes.  It still happens.  Ive updated the drivers for the docking station.  It still happens.  This is also an issue with an employee's 4th generation X1 and a USB-C dock.  After waiting for 25 minutes on lenovo chat and no one responding, i called in.  They spent 30 minutes playing with the same settings then said it was a software issue and transfered me to another department.  They tried to charge me $200 to fix the problem.  My laptop and dock are less than 6 months old.  I'm extremly upset with lenovo!  

A:X1 Carbon with Thunderbolt 3 dock going to sleep mode quickly

Gets even better. I called back into the original number and they said "what i do with my computer is not their problem. Since it works (even though briefly) then its fine"

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RELEVANCY SCORE 112.4

Just setting up my new X1C6 with Win10 and the ThinkPad Thunderbolt 3 dock. Everything seems to be working, but occasionally the fan starts spinning like crazy, and a process named "WMI Provider Host" appears in the Task Manager with >25% CPU usage. After a few minutes the system is back to normal.  After a bit of Googling, I went to Event Viewer -> Applications and ... -> Microsoft -> Windows -> WMI Activity, and I found a series of errors that coincided with the excessive CPU load events. Every error has a reference to a process ID that corresponds to "Thunderbolt.exe". This leads me to think that the problem is related to my docking station. I tried downloading the docking station drivers from https://pcsupport.lenovo.com/en/solutions/acc100356 but it turns out that I have an even newer version installed already (something .12 vs .10) . Yesterday, I heard some loud hissing from the corner of the laptop where the TB3 ports are. It disappeared when I unplugged the dock, and came back after I plugged it in again. After a restart, it went away, and the port as well as the dock seems to be working fine (currently with Ethernet and a VGA monitor). Any ideas what to do here? 

A:X1 Carbon (6th) + Thunderbolt 3 Dock: WMI Provider Host goes crazy

@renetrwrote:Just setting up my new X1C6 with Win10 and the ThinkPad Thunderbolt 3 dock. Everything seems to be working,  [...] Yesterday, I heard some loud hissing from the corner of the laptop where the TB3 ports are. It disappeared when I unplugged the dock, and came back after I plugged it in again. After a restart, it went away, and the port as well as the dock seems to be working fine (currently with Ethernet and a VGA monitor). Any ideas what to do here? There's a separate thread discussing the 'hissing' which appears to be coil whine from the dock in my case. Another person resports more of a clicking sound from near the left of the laptop (near the TB3 port), see here: https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X1-Carbon-6th-Gen-Coil-Whine-Dock-Issues/td-p...

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RELEVANCY SCORE 111.2

Received the Thunderbolt 3 dock today, though the display works fine, the dock/laptop won't recognize any external USB devices such as mouse. keyboard, webcam, etc. I tried installing the latest drivers to no avail, from: https://support.lenovo.com/us/en/solutions/acc100356 Anyone else havign this issue?  

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RELEVANCY SCORE 111.2

Machine model: 20HRCT01WW At seemingly random intervals the Dock stops working (for USB perphirals) and my wife has to move keyboard/mouse to the machine itself - defeating the purpose of a very expensive dock. Machine is fully up to date the current version of windows and all drivers (including the Thunderbolt dock). I would report this directly to support but Lenovo it won't allow to me register my wife's X1 with my account inspite of the fact that I'm the one who ordered it. Ugh. ThanksMark Levison

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RELEVANCY SCORE 111.2

I have a 6th Gen X1.  One of the thunderbolt ports no longer works with the monitors on the docking station - the keyboard and mouse do work.  The monitors do work when plugged into the other thunderbolt port.  I am worried that one will stop working too.   I do not know of any damage or issues and I ensured the latest drivers were installed.   Any ideas on how to troubleshoot? 

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RELEVANCY SCORE 110.8

I have read a lot and tried updating the firmware - nothing works.When I put the laptop in the docking station - it does not recognize the monitar and also says AC power is not connected when it is. Help appreciated!

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RELEVANCY SCORE 110.8

Hi, Everyone. Got me a nice little x270 to replace my old x201.  Happy enough with the machine, but getting it connected to my accessories (monitor, keyb, mouse, ethernet) is a bit of a chore. This machine appears to have a "proper" dock port on the bottom.  Is there a compatible ultradock available for the model 20HN x270?  By proper - I mean, Not USB.  A nice dock I can simply drop the machine into when I'm at the home office.. Thanks!

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RELEVANCY SCORE 110

I recently purchased a Lenovo X1 Carbon Generation 6 laptop, Lenovo Thundebrolt 3 dock and Dell U2717D monitor.  Unfortunatly, I am finding that when I connect the monitor to the dock via mini display port OR full size display port, Windows 10 defaults to a 6-bit color pallete resulting in horrendous banding. Through troubleshooting I have found that: The issue appears specific to Windows 10 -- Ubuntu does not have the same issueThe issue appears specific to display port regardless of cable (mini and full size) -- HDMI does not have the same issue but HDMI only runs at 30hz.The issue appear specific to newer Dell monitors -- I have an older Dell U2715H monitor that also runs at 2560x1440 resolution that does not have this issueI've found a few others reporting the sme issue with other Dell monitors but what I have not found is a resolution.  Dell has suggested that I try a USB-C to mini Display port cable which I am considering but I'd really hate to throw good money after bad and so am also contemplating a return. Anyone else out there have this issue? Is there  way to force the color depth to 8-bit like it should be all along?  

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RELEVANCY SCORE 110

Hello everyone, I am new to this forum and have a problem regarding setting up 4k displays:Equipment: Thinkpad x1 carbon 2017 (5 gen) with wqhd, thunderbolt 3 dock, 2 4k samsung displayshttps://support.lenovo.com/de/en/solutions/pd029622This is my target setup:1. 4k display at 60 hz connected via dock at dp1 (display port)2. 4k display at 60 hz connected via dock at dp2(ideall: 3. x1 carbon wqhd internal display on) My problem is that the second 4k display (a Samsung TV) did not connect when I connected it via the dock (picture shortly present, then goes away again, when trying again no picture at all). However it works (all 3 displays on) when I connect 2. via the hdmi connector directly at the laptop. Hence: is there any way to get it working like in my target setup? Thank you very much for your suggestions and ideas!Besterev

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RELEVANCY SCORE 109.6

I have a situation where I need to switch between laptops regularly - a new X1 Carbon and a new MacBook Pro. I use the X1 Carbon a lot more. The two 27" wqhd monitors are a bit weird - one only support HDMI, one can do HDMI/DP. Any recommendations for a Thunderbolt 3 dock? They're pretty pricey - so I'd hate to get the wrong one and be stuck with it.

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RELEVANCY SCORE 108

How to reproduce:1. Remove charger and close the lid.2. Power up.Note: the Windows 10 Fast Startup feature should be disable for reproducing this issue robustly. Issue:1. Windows 10 boots very slow.2. After boot, Windows 10 will detects two ejectable device: Base System Device and USB Root Hub 3.0.3. If reboot, it will freeze at the Lenovo logo. Environment:1. Thinpad X1 Carbon 2017 [20HR000FUS]2. BIOS Version: N1MET31W (1.16)3. Windows 10 Pro 1703 x64 There are several ways to fix it:1. Disable Thunderbolt in [BIOS]-[Security]-[I/O Port Access].2. Hibernate and recover, everything will fine.3. If Windows 10 Fast Startup feature is enabled, manual power off and power up again without closing the lid may fix it. 

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RELEVANCY SCORE 107.6

X1 Carbon 6th Gen - (Type 20KH, 20KG) Laptop (ThinkPad) on ThinkPad Pro Dock.  I have a secondary display (connected with DisplayPort).  When the battery is charging, the secondary display works properly.  As soon as the battery is fully charged (100%), the secondary display disconnects and goes black (no signal detected).  The power is still on the the display.  The only way to get the secondary display to reconnect is to unplug the power supply from the dock, then plug it in again.  Has anyone else experienced this? 

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RELEVANCY SCORE 106.8

Hello ... I use an Thinkpad Yoga370 together with the Thunderbolt 3 Docking-Station for business. For private use I have an Thinkpad X1 Carbon 4th Generation. Is there any possibility to connect it to the Thunderbolt 3 Docking-Station e.g. by an adapter? So I would like to use the Thunderbolt 3 Docking-Station with connected Screen, Keyboard, Mouse with both Laptops. Thanks for your help and best regards ...

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RELEVANCY SCORE 106

 I've seen a few posts on this, but no solution, so I'm trying another one. I have a Carbo X1 6th gen connected to a USB-C dock. (Wavlink but others have the same issues with Lenovo dock). The USB-C Dock keeps disconnecting the monitors, mice and keyboards intermitently. It last a few seconds then eveything comes back.  I have identified a source yet... it may happen 2 times in 5 minutes, then be OK for 30 minutes. Any idea of where I could look for a source of error for this issue?  Everything is up to date as of today (using Lenovo Vantage software) Many Thanks! 

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RELEVANCY SCORE 105.6

Been going back and forth and can't seem to find a screen that can replace my Thinkpad x1 carbon 3460 1f4 screen. Have found one for the 3448. Don't know if they use the same screen and pins?  See photo for description of the replacement screen I'm looking at.  













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A:Can the Thinkpad x1 carbon 3448 laptop screen replace a Thinkpad x1 carbon 3460 1f4

The 3448 and 3460 machines use the same panels, hinges, lid, cables, etc.

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RELEVANCY SCORE 105.2

Not able to get two monitors (Samsung S27E450) plugged into a ThinkPad Thunderbolt 3 docking unit to work with my X1 Yoga (Gen 2).   Montiors connected to docking via DisplayPort cables.   Windows 10 shows the monitors showing up as "Generic PnP" so something is being recognized.  Tried deleting the device in Device Manager, reboot.  Not finding the drivers on the Samsung site.   Any help appreciated. 

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RELEVANCY SCORE 104.8

Hi, My setup is a Carbon X1 4th gen and a LENOVO ThinkPad OneLink + Dock. I want to buy two monitors to connect to my dock's Display Ports, what is the maximum resolution that I can get out of them? Regards,

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RELEVANCY SCORE 104.8

Hello - I have a X1 Carbon with the ThinkPad USB 3.0 dock.  Everything worked great under Windows 8.1.  I would occassionally have an issue with the dock not coming online after resuming Win 8.1, but it was easy to fix by powering the dock on/off or rebooting. However since upgrading to Win 10, I have a very frustrating audio issue.  Application seem to have trouble picking between the sound device inside the laptop and the dock.  For example, I'll get an incoming call from Skype, and it will start the call on the laptop internal speakers, then say the "Realtek audio device is unavailable".  If I call the person back, it then completes the call and works fine through the dock audio device (which is what it should have done the first time). However the issue isn't only with Skype, it's with all apps.  For example, if I start Pandora in the Chrome browser, it will start playing the audio through the laptop speakers for about 1 second, then stop.  I then have to refresh the web page a few times to get it to start playing out of the dock sound device.  All the while, Windows is configured (and properly reports) the dock sound device as the default (which is what I want). I suspect this is an issue with the drivers for either the dock or the X1 not properly talking to Windows 10, but both are up to date, and either Lenovo or DisplayLink (who makes the dock drivers) have any noted issues with audio-switching. Has anyo... Read more

A:X1 Carbon ThinkPad USB 3.0 dock audio issues

I'm having the same exact issues !Have you find a solution yet ?

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RELEVANCY SCORE 104

Hi..I ordered a new ThinkPad USB-C Dock. I have a lenovo thinkpad x1 carbon 1st generation and didnt realize that the interface cable between the dock and the laptop is USB-C. Is there a way( converter?) i can use the USB-C dock with my X1 carbon first generation? The X1 carbon has a slimport power adapter where as the cable from the dock to the laptop is USB-C. Appreciate your help. Thanks!  

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RELEVANCY SCORE 104

We recently upgraded 5 users from X1C5thgens to 6thgens but the  ThinkPad USB-C Dock Model 40A9 keeps disconnecting the mice and keyboards intermintebtly  and sometimes there is a clicking sound coming from in the docks themselves. The only way to resolve the issue is to power cycle the dock  an the issue goes away until it happens again. I called Lenovo but they dont have any information me so i was wondering if anyone is experiencing these issues with the docks and the 6thgens  Thank you

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RELEVANCY SCORE 104

I have a ThinkPad X1 carbon 6th gen and a ThinkPad Basic USB 3.0 Dock but this combination doesn't work.Windows 10 seems to recognize the display but the display is black and also there is no ethernet connection and no power charge. Is there a way to make the Basic USB 3.0 Dock work with the latests X1?

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RELEVANCY SCORE 103.6

Just received X1 Carbon with i7 Gen 8, and Think Pad USB-C docking stationThe Carbon X1 Unable to PXE boot via the ThinkPad USBC DockWe didn't purchase the USB-C Ethernet adapter, bought the docking station instead.Please help.













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A:Carbon X1 Unable to PXE boot via ThinkPad USBC Dock

I sorry, it worksFrom the delivery of 25 docking stations, I picked up a faulty one. 

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RELEVANCY SCORE 103.6

One of my clients is having an issue with his X1 Carbon and OneLink+ dock. After installing the latest Bios, we noticed that the laptop will hang at the starting windows screen (windows 7) when rebooting while connected to the dock. This does not happen if not on the dock. I have updated the dock drivers, graphic drivers, dock firmware, power management drivers, ethernet drivers, usb drivers, even got a replacement dock from Lenovo with the same result. I tried reverting to the old bios but that did not help. Im not sure what else to try. 

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RELEVANCY SCORE 102

I am looking for suggestions as to what I can try to fix the fact that my X1 carbon can "see" my dock but can't connect to it, I have tried swapping the dock with another and I get the same problem, it has worked fine for a year, I have recently done a major windows 10 update could this be the problem , does anyone have any experience of this, so far Lenovo support have been unable to fix

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