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Thunderbolt dock T470 and Linux

Q: Thunderbolt dock T470 and Linux

Does anyone know if Thunderbolt docks work with Linux on the T470? If so, which ones? I'm currently using the Lenovo dock that plugs into the bottom of the machine; running a monitor and a bunch of USB stuff off of it.

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RELEVANCY SCORE 200
Preferred Solution: Thunderbolt dock T470 and Linux

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RELEVANCY SCORE 88.8

Network shares, both administrative and explicitly shared, cannot be accessed when the shares are on a laptop connected via ethernet through the new Thunderbolt 3 dock. Using the onboard NIC, WiFi, as well as the NIC on a Thinkpad Ultradock does not cause this. I have tested on 2 separate T470 laptops with both the Thunderbolt software from this link: http://pcsupport.lenovo.com/us/en/products/LAPTOPS-AND-NETBOOKS/THINKPAD-T-SERIES-LAPTOPS/THINKPAD-T...and the drivers from this link:  https://support.lenovo.com/us/en/solutions/acc100356 I also tried the "Intel Alpine Ridge Thunderbolt Firmware" just added and it appears to be the same version I can access the machines shares from itself, just not from anywhere beyond the TBT3 NIC.Attempting to browse to the machine results in an Error code 0x80070035 The Network path was not found

A:Network shares on T470 not accessible through new Thunderbolt 3 dock

A few other items to note:This is with the latest 1.29 BIOS on the T470.Same result with the Windows firewall turned off.This is with Windows 10 v. 1703

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RELEVANCY SCORE 82

Hi all, I have a new T480s with a thunderbolt 3 dock.Unfortunately, I'm experiencing a really annoying problem:- when I wakeup the laptop, an USB device (USB port replicator) is not detected.The workaround I found  is to unplug and plug again the power to the dock!Do you know how to solve this problem?Is there a linux command to "wake up" everithing? Thank you

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RELEVANCY SCORE 76.4

I used the Lenovo System Update (v5.07.0074) and was prompted to download and install (was listed as Critical Update) the Firmware to my Dock.  As always, I closed all applications and sat as the Firmware downloaded. I got the expected prompt to ensure I was plugged in. I then watched as the upgraded prompted me to install. Installation completed and everything appeared to be fine.  I powered down the thinkpad and disconnected. Worked from the living room, then went back to the dock. Connected, and noticed that before I connected the White light on the power button was illuminated. Shrugged, and pushed the power button. Nothing. I un-plugged the Dock, got a cup of coffee, returned and plugged it back in. Nothing. I then noticed that none of the pass-through power was working on the dock.  So, I unplugged it again.  Unplugged everything connected to it, and held the power button down for 15 seconds in an effort. All of this at the recommendation of Lenovo Support. Who, by the way, was very nice and well spoken. Nothing we did worked. I happened to have another Thunderbolt 3 cable in my bag, and no change. I powered up my new X1 Yoga, and connected the cable. No power. This wasn't passing power at all. I confirmed the Intel Thunderbolt app was running, and confirmed that Windows was not even detecting the Dock.  Lenovo is sending me a replacement. I had this one all of a week. Did I miss any other steps while I wait for it to be repl... Read more

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RELEVANCY SCORE 68.8

Hi,which 2m cable is compatible with the thunderbolt 3 dock gen 2?We tried the Belkin Cable (https://www.belkin.com/de/p/P-F2CD085/) with a Yoga X390.But it does not work. 

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RELEVANCY SCORE 68.8

Hello everyone, I recently bought a Thinkpad X1 Extreme and I am now locking for a suitable Thunderbolt 3 dock. Although I've read a lot of posts about various docks I am still a little consfused about which one to choose. It seems like the following ones would all work with the X1 Extreme:1. Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 135W:https://www.lenovo.com/ca/en/accessories-and-monitors/docking/universal-cable-docks-thunderbolt/Thun...2. ThinkPad Thunderbolt 3 Workstation Dock (170W):https://www.lenovo.com/ca/en/accessories-and-monitors/docking/universal-cable-docks-thunderbolt/Thun...3. ThinkPad Thunderbolt 3 Workstation Dock (230W):https://www.lenovo.com/ca/en/accessories-and-monitors/top-tech/Thunderbolt-WS-230W-dock-US/p/40AN023... Please correct me if I am wrong but to me it seems as if the only difference between these docks is that the workstation ones come with two AC adapters each and a special Thunderbolt/Power cable to avoid using two different cables. Or are there any other technical differences? So if I am okay with a two cable solution couldn't I just use the Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 135W and connect it via Thunderbolt while at the same time use my 135W AC adapter to charge the laptop? Thanks a lot in advance.

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RELEVANCY SCORE 65.6

I moved on to T470 after my wonderful (and still functional) T430 is deemed heavier and slower. Since I use my T470 as a working laptop, I need a docking station for the T470 so that I can avoid connecting the bundles of cables and charger everytime I step into the office. Several options come into the search criteria, mainly the USB3.0 and the mechanical dock. Just to clear my doubts, if I use the USB3.0 dock, do I still need to connect a charger? Alternatively, if I just buy a mechanical dock, would it be a all-in-one solution? Thanks in advance!!

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RELEVANCY SCORE 62.8

I've started building a 1903 image in SCCM but I am receiving errors in the Thunderbolt control panel that not all Thunderbolt ports are working correctly and to run the latest firmware update from the manufacturer. Has anyone else seen this? I know that the T470s were tested with 1903 per a Lenovo support article.

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RELEVANCY SCORE 62.8

After one of the updates, the docking station connected via Thunderbolt stopped working.From the very beginning I received error now, I get error, when I want to update the firmware, after reading the solution in one of the topics on this site.   How to make Thunderbolt work correctly? The recommendations and solutions described here do not help:https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/Thunderbolt-Controller-Error/m-p/4268391#M926...https://forums.lenovo.com/t5/Displays-Options-and-Accessories/Thunderbolt-Dock-doesnt-work/m-p/40269...https://forums.lenovo.com/t5/Displays-Options-and-Accessories/Lenovo-Thunderbolt-3-Dock-Firmware-Upd...

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RELEVANCY SCORE 62.8

Hi.  I received the following when opening lenovo Vantage; A Thunderbolt controller has experienced a problem and cannot connect to devices or other computers until new firmware is installed.  Other Thuderbolt ports may be functioning normally.  Please contact PC manufacturer for a firmware update to restore full Thunderbolt functionality. What can I do to overcome this?BRCappi

A:T470 Thunderbolt firmware update

Have you tried installing the latest firmware from here?  https://pcsupport.lenovo.com/us/en/products/LAPTOPS-AND-NETBOOKS/THINKPAD-T-SERIES-LAPTOPS/THINKPAD-...
 
What happens?

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RELEVANCY SCORE 62.8

When installing the thunderbolt firmware update utility I receive the following error: "No active Thunderbolt(TM) controller found in the system or Thunderbolt software is not present in the system. Make sure you have Thunderbolt software installed. Then connet Thunderbolt device and press OK to retry or cancel to abort firmware update process." I have the software installed. And the thunderbolt port doesn't give power to my TB16 dock (no light when plugging the cable in unlike on my dell precision work laptop).

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RELEVANCY SCORE 62.8

I tried to ask on Reddit but it looks like nobody knows the answer. trying it here  where could I find a confirmation that the T470 with onboard HD 620 graphics can drive two 4K Dell P2415Q at 60Hz monitors when connected via Thunderbolt? PSREFs just say it can support up to 3 displays (which is cool, but at what resolution and what will be the refresh rate) and max resolution supported is 4K at 60Hz (again, great, but how many of them?)I was planning to use either the Startech's Thunderbolt 3 to Dual DisplayPort Adapter or Dell TB16 dock to connect the monitors, as Lenovo is not providing ways to connect two 4K monitors over the DisplayPortIdeally, I'd love to have a dock which can connect both monitors but as I understand current generation of mechanical docks does not allow to use two 4k monitors, I guess it has something to do with bandwidth of chips used for DP ports in the docks.

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RELEVANCY SCORE 62

Today, I noticed that my USB-C docking station was no longer passing video from my T470 to my monitor. The monitor's HDMI cable is plugged into a docking station that is connected to my T470 via USB-C. It's been working fine for more than a year. All other connectivity via the docking station works (e.g., keyboard, mouse, ethernet, power). The docking station, including video, works just fine with another (non-Lenovo) PC. My first thought was to check Lenovo Vantage or the support website for Thunderbolt software and/or firmware updates. The most recent software is several months old and already installed on my machine. I can see that there's a relatively recent firmware update on the website, but it's specifically for Windows 10 1809 or older. I am running 1903. When trying to install that firmware update, I receive an error message (can't find suitable bin file). Vantage does not find any updates for me to install. I did see this post, which mentions HDMI output not working as a symptom (among others). However, it recommends the Thunderbolt software that has been installed for several months as well as the firmware that I cannot install. I have two questions:Is anyone else having problems with HDMI output via their T470 USB-C/Thunderbolt port?Is there any news on when there will be a new T470 Thunderbolt firmware update for Windows 10 versions newer than 1809? 

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RELEVANCY SCORE 62

I have a T470S type 20HF running windows 10 (version 1703) that suddenly the Intel Thunderbolt Driver was updated and gives me the error "A Thunderbolt controller has experienced a problem and cannot connect to devices or other computers until new firmware is installed." The computer is connected through a usb-c cable to a dockin station which has two monitors connected through display port cables. I tried uninstalling the Intel Tunderbolt Software (ver. 17.4.78.500) and reinstalling it.I tried installing thinkpad thunderbolt 3 dock and usc-c dock driver v10017.I tried to install new firmware with the file N1WTH07W but it says "cannot find correct bin file" I still get the same error and cannot use the monitors connected to the docking station. Please help.

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RELEVANCY SCORE 62

Dear Lenovo owners, I'm planning to buy a Thunderbolt graphics for my T470 notebook (6th gen Intel i5 CPU) and Lenovo Thunderbolt Graphics Dock (GTX1050), it looks ergonomic and portable. I wonder that is this dock compatible with T470 series? Did anyone tried and satisfied? Many thanks in advance.

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RELEVANCY SCORE 62

Hi all Been using the thunderbolt for few weeks, struggle to make it to work with multiple restarts and shutdown before it start to disapply on my monitor. Today non of that worked so I tried to uninstall the "Thunderbolt Software" and update the "Thunderbolt FW" but it's not working with multiple errors as below: 1- TB - SW version 17.4.80.41 installed/ NVM details are not showing. 2- TB - FW update error "No Active Thunderbolt(TM) Controller Found in the system 3- Detect 1810.exe ends with errorCapturing Current NVM Version.....Capturing Current NVM Version failed!Error: 0x20B SDK_NO_CONTROLLER - 4- TB is enabled in bios 5- Thunderbolt Controller is not showing under Manage devices, though show hidden is selected 6- Tried to reset while battery and charger off using the hole behind the laptop. Didn't work 7- Lenovo update showing no updates available, also windows and intel. Now the TB port is completely inactive.  Apprecieate any guidnce 

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RELEVANCY SCORE 62

I have a T470 20HD running Windows 10 Pro. Both the operating system and all Lenovo updates have been applied. Attached to thos is a Plugable-brand USB3 dual HDMI docking station that's been driving a pair of Dell SE2417HG(HDMI2) screens. Or did, until I did the Integrated Firmware of Thunderbolt Function 1.0.12.0-N1QTF16W update, at which point it now only drives a single screen. Windows sees both displays but now can't use one. I've tested both displays and they work fine otherwise, and if I unplug one display the dock will "fail over" to the other display without an issue.Is there a way to roll back this firmware update, or am I basically out of luck? 

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RELEVANCY SCORE 62

To back up Dell-Brian B's threads you can find all the available Dell documents for the Dell Dock and Dell Thunderbolt Dock here. 
TB

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RELEVANCY SCORE 61.2

My computer did a BIOS update yesterday and since then the Thunderbolt will not work (computer is connected typically to a Thunderbolt 3 docking station).  I have uninstalled and reinstalled the Thunderbolt driver/software. I get this response when I try to update the firmware :

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RELEVANCY SCORE 61.2

Hi, I have a T470 laptop with the USB-C charger. I'd like to connect a DisplayPort LCD screen to use as a second display while simultaneously being connected to A/C power and charging my batteries. I am having a bit of trouble figuring out what my options are. 1. I could buy a Thunderbolt 3 hub/dock with a DisplayPort connector on it. I would then connect the charger to one of the USB-C ports on the hub/dock, and the screen to the DP connector. From what I can see, these hubs are fairly expensive, so given that I currently don't need to connect any other TB3 devices I'd like to avoid it if possible.2. I could buy a USB-C - DP adapter or cable, but I have not seen anything with some kind of pass-through function which would allow me to connect my charger. I thought daisy chaining was something TB3 can do, but unfortunately the charger does not have the ability to do this (I know a DP connection has to be at the end of the chain).3. The T470 has a slim tip charge port, in addition to the ability to be charged via the TB3 port. Perhaps a USB-C - slim tip adapter exists which would allow me to connect my charger to the slim tip port, and not worry about the lack of daisy chaining in point 2. I've found a different adapter (wrong interface and wrong direction), but nothing that can do this. Thanks for any info/advice!

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RELEVANCY SCORE 61.2

Hi, I would like to know what is the part number compatible with T470 laptop in India? I saw 3 different models with 65W and 90W. The product detail page has some issues. can you please let me know the difference?

A:Dock station for T470

Hello and welcome to the communityRead this guide, Options Compatibility Matrix https://download.lenovo.com/pccbbs/options_iso/ocm_august_2017.xlsxOnce you'll choose the dock station take a look at the tab with country speific p/ns.

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RELEVANCY SCORE 60.4

Is there any way to connect the T480' Ultra Dock with my T470?

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RELEVANCY SCORE 60

Hey all, I'm trying to figure this out and have run out of ideas.Hardware:Thinkpad T4702x Asus 229H-P (only support 1080, HDMI and DVI inputs)StartTech TB3 Dock - TB3DKDPMAWConnectionsPassive DP > HDMI for one monitor (Cable Matters 102018)Active TB3 USB-C > HDMI for the second monitor (Cable Matters 201018)I can only get one recognized at a time, never both. Any ideas? Thanks.

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RELEVANCY SCORE 60

Hi,I have a ThinkPad T470 (20HD) and a ThinkPad USB-C Dock Gen 2 connected together.To the USB-C dock I have connected 2 x Philips 27" 272B8Q monitors with DP cables to each one. My issue is that only monitor 1 will run in optimal resolution 2560x1440, monitor 2 will only run 1920x1080. I have updated BIOS and Thunderbolt on the T470 and updated firmware on the Dock as well as installed the Dock driver.I have also tried to switch from DP to HDMI cable without any change. Shouldn´t the T470 support DisplayPort 1.4? 

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RELEVANCY SCORE 60

I have a Thinkpad T470 and a Thinkpad USB 3.0 Pro dock. I have Win 7 on it with Bitlocker enabled. What I would like to do is setup the laptop to boot to one of the external displays so I get the bitlocker screen on my main monitors. I went into the bios and it seems to have an option to do that but that doesn't seem to work. Is there something I can do to make that work?

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RELEVANCY SCORE 60

I have a T470 and can get a W700 Mini Dock 2.0 from ebay at a good price.Wanted to know if there was any chance that the T470 is compatible with the W700 Mini Dock?I have to buy this myself as the company won't supply us with docking stations for Lenovo. 

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RELEVANCY SCORE 60

Hi all,I have a ThinkPad T470 and a Pro Dock 90W and I'm trying to use 2 different monitor in the same time using Display Port + DVI-D but I can use only 1 at a time (it works only using VGA + Display Port). Is there some way to solve this problem? Any firmware update? many thanks Cheers

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RELEVANCY SCORE 60

I have a n employee with a T470 and a Ultra Dock (40A2) together with two displays. A HP Envy 27s and a Thinkvision P27q.She would like to use [email protected] on the Envy and 2560 x [email protected] on the Thinkvision display. The Ultra Dock does only support 1920 x 1200 @60Hz on one DP if I use [email protected] on the other one. Is there any possibility to achieve this?Can I connect one display to the HDMI port on the thinkpad and one to the DP on the docking station? Will this help in any way? Otherwise: It seems like the ThinkPad Thunderbolt 3 Dock is compatible with this T470 (20JNS13U00). Anyone can confirm this?  

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RELEVANCY SCORE 60

Hi All. I'm a proudly owner of a T470.I've been using Lenovo Hardware for about 4 years (previously I've owned a t440).The question is that I've a Basic Dock (40A0) that I used with the T440 conecting a standard VGA display trough the Dock and a ThinkVision LT2013pwA via Display Port. Having the possibility of using 3 monitors (built-in, VGA, DP).Now that I've upgraded to a T470,  when I'm docked I can't use the HDMI port to connect to the LT2013pwA (the LT2013pwA has DP and HDMI).I need to use two external monitors and the built-in dysplay.Can someone help me solving this problem? Thanks

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RELEVANCY SCORE 60

Hi Lenovo, I have a strange issue with the USB-C Dock  If I plug-in my Logitech G502 mouse then it will work for a minute and then randomly hangs and freezes. If I plug-in the mouse directly into my Lenovo T470 then everything works fine What I've tried: - Update of Intel Chipset Driver- Update of Firmware (of Laptop and Docking Station)- Restart of laptop many times- Swap of docking station (exact same model)- Reinstall of Intel(R) USB 3.0 eXtensible Host Controller Driver- Remove of device via device manager- Remove of Logitech G Software (and reinstall)  It doesn't matter where I plug the mouse into the docking station it will freeze after a minute for about 30 seconds. Then it will work again for 30 seconds and then freeze forever.  Laptop is connected via USB-C cable to the rear USB-C port of th dock so that the battery will be charged as well. Regards, Alex

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RELEVANCY SCORE 60

Hi,I'd like to know if the new Thinkpad T470 is compatible with the "Pro Dock 90 W - 40A10090US" docking station?













Solved!

Go to Solution.

A:T470 Docking - Is the "Pro Dock 90 W - 40A10090US" compatible?

Hello and welcomeYes, the dock is compatibleThinkPad Options Compatibility Matrix - https://download.lenovo.com/pccbbs/options_iso/ocm_mar_2017.xlsx

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RELEVANCY SCORE 60
A:Dock pro 40A5 is it compatible with ThinkPad t470

Sorry is the T470 work with the docking station pro 40A5?

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RELEVANCY SCORE 60

 Hi All,I have recieived the ThinkPad Hybrid USB-C with USB-A Dock.https://support.lenovo.com/gb/en/solutions/pd500180when connected to USB-A everything is working fine (apart from charging)when I connect using the USB-C port nothing works. not charging nor the dock seems connected to the laptop.the dock is working fine on a T480 when connected to USB-C what am I missing?  

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RELEVANCY SCORE 59.6

I would like to connect my iMac Screen (Thunderbold connection with the flash) with my Notebook, however the generation 2 does not work, whereas generation 1 would work. What do I have to do? Thanks.

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RELEVANCY SCORE 59.6

HP ZBook Dock with Thunderbolt 3 usb device issues. USB Keyboard randomly sends a stream of a repeated character.  I will be typing and mid worrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr d will get results like in the word above.  The inverse happens alot too, were it just drops a few characters i have typed. USB Mouse lag is horrible. Both devices will stop functioning, need to reboot the dock to recover them. Any one have any suggestions or which drivers are the most stable?

A:thunderbolt dock

#HPExpertDayYou will have to update BIOS/Firmware if any. Install the docking station drivers. Try using a different keyboard, if the issue stops then issue was with keyboard.http://support.hp.com/us-en/document/bph07165

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RELEVANCY SCORE 59.2
RELEVANCY SCORE 59.2

Hi, Since today, my Lenovo T470 cannot recognise my 40A9 USB-C Dock anymore. Nothing coming through: no external displays, LAN, power etc. What I've tried so far: - Updated to Thinkpad USB-C Dock Driver version V10015 (Mar. 2019)- Tried similar USB-C dock's from colleagues --> Not working- Tried a similar T470 from colleauge on this USB-C dock --> Works fine- Checked and installed all windows updates- Checked whether the UCSI USB connector manager had best driver, which it did: version: 10.0.17134.1- Failed in installing the new USB-C dock firmware to v3.7, as I get the error: "Thinkpad USB-C Dock can't be detected" Other info:- Windows Pro 10, version 10.0.17134, 64 bit- Don't see any errors in the Device Manager Does anybody have any tips? Thank you,Gjalt Would any 

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RELEVANCY SCORE 59.2

Hi there,I've got a new T470 and Ultra Dock and try to connect my 2 external monitors via DisplayPort but nothing happens.I tried to update the firmware of the Ultra Dock but it won't work because I got the following error message in den update.log: "Error description: Can't connect to Synaptics VMMxxxx DP hub IC"The 2 monitors were still connected to the Ultra Dock. So I connected one of those monitors vie HDMI and installed the Firmware again. Now I got the current version 2.33.000 installed. But as soon as I remove the HDMI cable nothing happens again. What else can I do? Do I have an issue with my Ultra Dock?

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RELEVANCY SCORE 58.8

Hi  I have 2 new L480 (20LS-001AMX) and 2 new Thrunderbolt 3 Dock (DBB9003L1)Is there some way to get this type of dock to work with the L480? Note: in the Dock spec. the L480 are not mentioned are compatible.Could it work any way? Mikkel

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RELEVANCY SCORE 58.8

I've been running a Windows 10 T480 for a year now and have had quite a few problems with the TB3 docking station. My issue is going between my home setup (TB3 dock, single 4K monitor) and my office setup (TB3 dock, 3 FHD monitors - 2x display port and 1x VGA).  The only way I can move between the two environments is if I unplug the laptop from the dock, open the lid and then put the machine to sleep (note I'm not shutting down). To me this extra step should be unnecessary; however, I'm open to a techinical explination on why this is the only way to move between the two environments. The issue I have when I go from home to work is the montiors don't always come up in the correct spots and even playing with the display settings in Windows doesn't always get things back the way they were. Most of the time I need to unplug from the dock (with Windows booted) multiple times and everything comes back. This has really soured my user experience. I've tried using both the brick and cable version of the Thunderbolt 3 dock (that's what I'm using currently at the home and office) and the standard docks with mechanical slide/locking mechanisim and I'm having the same issue. I'm open to getting a 4K monitor for the office but that seems unnecessary. Lenovo technical support was quick to replace the motherboard (which they did last year) and that did not help. I'm looking for some sort of way to truly troubleshoot the software and/or have someone explain preciecely... Read more

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RELEVANCY SCORE 58.8

I just picked up the TB3 dock and all seems to be working, however it is not charging my laptop using the included Thunderbolt/Power combo cable. The power light shows on the dock, and connected devices work on laptop, but no power. Any ideas?

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RELEVANCY SCORE 58.8

Currently have an X1 Carbon 5th Gen - 20HR, that is experiencing susbtantial issues with the Thunderbolt dock now.  I'll start with some initial info to set the stage. -----------------------X1 Carbon 5th Gen - 20HR Machine TypeWindows 10 Pro - 1903 - build 18356.21Thunderbolt 3 dock, dual Display (thinkvision P24Q), one hdmi and one display portAll updates for windows and lenovo, using thinkvantage tool.  Including latest thunderbolt firmware deployed yesterday (v.17.0.0.1).Problem device - PCI-to-PCI bridge - version 10.0.18356.1----------------------- Symptoms.Starting about 3 weeks ago, started experiencing an issue where by if I start the laptop off the dock, and plug in to the dock, none of the USB devices connected to the dock will work.  The displays work fine, but none of the USB devices do.  Such as camera, keyboard/mouse, external HD, etc. Upon opening device manager, I will always see a PCI-to-PCI bridge device in a non functional state, stating the driver has failed, subsequent attempts to update driver or completely uninstall all PCI-to-PCI bridge devices and rediscover them won't work.  Nothing fixes the issue but a reboot with the dock connected. Even with the dock functional, I now experience a strange issue whereby one of the two monitors will randomly flash (meaning go black and than almost immediately come back on). If I start the laptop on the dock, disconnect, and reconnect, I still have the same issues.&... Read more

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RELEVANCY SCORE 58.8

Hi,I have a Thinkpad P50 and today my Dell Thunderbolt Dock arrived.Unfortunately, it doesn't work  (= it is not recognized in any way), although Dell specifically says that the dock also works with non-Dell Thunderbolt 3 machines. I have installed the Thunderbolt software from the P50's driver site and updated to BIOS 1.17.Lenovo released an "Intel Alpine Ridge Thunderbolt Firmware" for the P70. But there's no such firmware update on the P50's site, just the Intel Thunderbolt Software from November.The 1.17 UEFI/BIOS Update says it fixed a Thunderbolt issue, but apparently not mine Has anyone ever gotten some Thunderbolt 3 device working on the P50? I just hope this will be fixed soon, because the Thunderbolt dock seems to be the only convenient way to drive three 4K displays with the P50 (2 via Thunderbolt 3, 1 via miniDP).  

A:P50: Thunderbolt 3 dock not recognized

What's the model number of the dock?  Thanks!

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