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P1 charges with the Thunderbolt 3 dock

Q: P1 charges with the Thunderbolt 3 dock

I connected my P1 to my existing Thunderbolt 3 dock and to my pleasant surprise, the system was in charging mode when the system was off. I thought that the unit could only charge through the slim power connector port, but it seems that it will also charge through the Thunderbolt 3 port when the system is not running.

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RELEVANCY SCORE 200
Preferred Solution: P1 charges with the Thunderbolt 3 dock

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RELEVANCY SCORE 78

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 70

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 63.2

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 60.8

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 60.8

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 60

I want to buy the Lenovo Yoga 920 (i7 with 16 GB) and I?m used to work with 3 external full HD Monitors. Since it has 2 Thunderbolt ports, it looks like the Thunderbolt 3 Dock may work with the 920. However, it is not listed on the compability list for the dock. Therefore: are the dock and the 920 working together?  

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RELEVANCY SCORE 60

Love the concept of the thunderbolt 3 dock, can't fathom how it was designed though.  On my zBook 15 G3, the power and thunderbolt ports are on the right side of the laptop.  The dock has the cable port on the left rear side, completely crossing over all the ports when you put the dock on a desk with the back facing away from  you.  Then they ship a cable that is barely long enough to put the dock directly behind the laptop and connect it.   Where do I buy a longer cable HP, please!

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RELEVANCY SCORE 60

For some reason, i can't turn on my new P51 using the power button on the Thunderbolt 3 dock.   I'm sure i've got something hooked up wrong, but thought i'd check here.   Is there a setting in Control Panel (power button) that i need to change?  In order to use my laptop / view from my external monitor, i have to open the lid to the laptop, power on and then i can use the external monitor.  thanks for any help. 

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RELEVANCY SCORE 60

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 60

Just bought a Lenovo soga s730 (in other countries it can be called 730s) and Omen accelerator by hp, there are several problems, the first one: the dock connects only from the second time (the first time it detect the thunderbolt connection, but then driver just turns off, the second time everything is ok); Second: the video card appears in the device manager, but the driver does not automatically turn on, the reboot helps, then everything starts working. The last most annoying problem is that there is no charging through the thunderbolt connector, the dock is in SELF POWER status. Screenshots attached.

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RELEVANCY SCORE 60

I have a new P51, 64 GB ram, SSD hard drive. Ihave a docking station at work and one at home. The one at home has a 6 TB Seagate BarraCuda pro USB3 drive attached. When I dock the laptop at home, the system will not boot. It gets to the bios boot sceen and stays there until I turn off or disconnect the USB drive. Once I do that, it continues to boot and if I turn the USB drive back on, it works fine. If the drive is my old 1 TB barracuda, it boots normally.  

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RELEVANCY SCORE 60

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 60

https://support.lenovo.com/us/en/solutions/acc100356 Hello I have the new X1 carbon laptop (5th gen).  I also have two 24 in thinkview external monitors with hdmi/display port inputs. If I buy the above adapter will I be able to run the two external monitors in extended mode so I have can have three different screens  total (laptop screen, monitor_1, monitor_2)?  

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RELEVANCY SCORE 60

Hi allWell we all now about the fan issue which is much better since the last BIOS update.Nevertheless I have sometimes fluctuation fan noise, although there is no load. This is mainly when the notebook is at the thunderbolt docking station.I found out, that as soon as I connect my notebook to the docking station more or less all app-processes suddenly move over and start running on the GPU. The CPU has virtually no load.Why do all processes start to run on GPU when the notebook is connected to the dock? Is this an issue or is there a good reason for this behaviour?My Notebook and Windos has the latest drivers/bios and updates installed.Regards,Sebastian

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RELEVANCY SCORE 60

So I have a Precision 5510 laptop with Xeon processor, no 4K screen.  My question is about this thunderbolt dock TB16.  I have one HDMI out and was asked if I can make that work on 3 external monitors.  None are 4K.  Is that possible?  Can it function as extended desktop, not duplicated? And if so, is that 3 external plus laptop? Or is the laptop screen on of the 3? 

A:Thunderbolt Dock & 3 Monitors

Depends on resolution - see this article for more information:
www.dell.com/.../SLN301105

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RELEVANCY SCORE 60

I have a Yoga 370 (Win10) and a Thunderbolt 3 dock & Thinkpad USB-C dock and i cannot get them to play nice. I am using the USB-C cord on both devices, it transmits video and power but not USB or Ethernet. I have downloaded drivers and firmware from Lenovo and still no luck, the computer does not see the dock BUT the video and power are there. I changed my BIOS settings per the firm ware update well and no luck. any help would be much appreciated!

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RELEVANCY SCORE 60

Is the new ThinkPad Thunderbolt 3 Dock compatible with P50? Dock details page (https://pcsupport.lenovo.com/cz/en/solutions/acc100356) only list P51s, but not P50. But P50 claims support for Thunderbold 3. If yes,  can I connect Ethernet LAN over the dock? And what driver I need to install?    

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RELEVANCY SCORE 60

We recently started using Bitlocker with a PIN at startup. On all our laptops using the "old"-type dock, that you click your laptop into everything is working fine, the users put the laptops into the dock, turn it on, type in the Bitlocker PIN using the external monitor and keyboard, and then processed into Windows. Our problem is with everyone using the new Lenovo ThinkPad Thunderbolt 3 Dock. When the users connect the laptops to the dock using the cable and then power on from the dock, the laptop will power on (the LED in the ThinkPad logo lights up) but the monitors and keyboard connected to the dock is not working, and then after some time the laptop will power off again. We currently use a workaround where the users power on, type in the Bitlocker PIN and login to Windows before connecting the laptop to the dock, but this not a proper solution. We have Enabled both "Thunderbolt(TM) device" and "USB device" under "Support in Pre Boot Environment" in the "Thunderbolt 3"-menu in BIOS, but it still doesn't work. Have anyone else experienced this problem? Or does anyone know of a proper solution.

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RELEVANCY SCORE 60

Hello all,I bought a Yoga X1 2018 and during the shop they suggest the Lenovo Thunderbolt 3 Dock. Since I thought that having to disconnect only one cable when bringin the laptop from the desk to the meeting room would have been useful, I bought it.With my disappointment I setup everything and I did some tests on the laptop just to discover that the performance of the laptop when powered through the docking station are 1/3 with respect to when it's powered by the 65W power supply and 1/2 of when the laptop is on battery... (234pt vs 640pt vs 563pt | dock/65W/battery)Now since the docking station has a 135W power supply, I really can't think that this is an issue with the supply from the docking. Also since the laptop is even faster on battery I really don't understand how it could be related to the power supply... anyway I've connected both the 65W power supply and the docking and the performance are back to normal.Is there anyone who can suggest me what's going on or how to report this to Lenovo?

A:Thunderbolt 3 dock & Yoga X1 3rd gen

Hello,i have the same setup (X1 Yoga 3rd Gen + Thunderbolt Dock)  and dont experience less or different performance.I have 2 monitors with display port and couple of USB devices connected to the Dock. Also using 2 external and the Yoga monitor at the same time was never a problem.What tests have you done to measure the performance?best regards,AT

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RELEVANCY SCORE 60

Hi,
I've seen that the Thunderbolt TB15 Dock is not valaible anymore in Italy due to hw problems. Do you know if a new one is arriving?
Thanks

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RELEVANCY SCORE 60

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 60

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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RELEVANCY SCORE 60

As the only docking solution available and moving from a more traditional dock, its less than suitable.  HP needs to make a longer cable and the end that connects to the laptop should be at a right angle.  The cable is so stiff and thick it takes nearly 4" to make the turn.  HP makes it impossible to find this out how long the cable is with out purchasing and at that point your stuck with it.  Hardly a customer satisfaction issue they should want to propigate!

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RELEVANCY SCORE 60

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 60

I have a new ZBook G3 17" with ThunderBolt 3 dock station.I have install my laptop with boot up finger&password protection.I have connect display, keyboard and mouse to this dock.Every time  I bootup, I have to open laptop to insert access data.This look like a stupid solution compare the old HP docking station that I have on my HP 8760W where dockingstation are working from first second and I can insert my access data (password) without opening lid.There are any solution to this problem ?I have also another problem. On the old PC was possible create a protected area of HD using a little part of it withHP ProtectTools. This SW is not possible to install on ZBook G3.I don't found any solution to create it. Only using Windows 10 (that I don't want to use) functionality.More we go on and worst SW/HW are delivery to user. AC

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RELEVANCY SCORE 60

I have a user with two LT3053s (2560 x 1600) and his previous T440 + Ultra Dock (I believe) supported the full resolution at 60 Hz (again I believe).  I upgraded him to a T480 and our standard Type-c dock that we deploy limited the screens to 1920x1080 @ 60Hz.  After this and complaints from the user of headaches from the drop in resolution we purchased a TB3 Gen 2 Dock and even after plugging the dock in to the actual TB3 port on the laptop (not the top type-c port) we are having issues with not all of his devices working, namely the kb+m. Any ideas here?  Right now we are running it with the 135W power adapter that it came with, but there is also another power adapter available that did not come with the unit we purchased.

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RELEVANCY SCORE 60

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 59.6

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 59.6

The thunderbolt dock was working.  I was gone for a week.  Came back and plugged laptop into dock.  No longer works.   The dock will charge the laptop, but none of the devices are recognized. Drivers are up to date.

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RELEVANCY SCORE 59.6

I have had my T480s and the basic docking station for about 6 months.  I love the laptop!  This week I added the ThinkPad Thunderbolt 3 Dock Gen 2 to improve the overall experience - multiple monitors, etc.  However, now my microphone doesn't work.  Do I need to use an external mic connected to the dock or can I get the laptop mic to work again?  It took a while to get the speakers working again, but the mic still isn't working.  I routinely have teleconference calls over the net, so this is rather inconvenient.  Please help!      Thank you!

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RELEVANCY SCORE 59.6

I recently bought a brand new X30-E-11D which works just fine and silently. Now, when I couple a Toshiba Thunderbolt 3 Dock with it (including 2 monitors, LAN and USB) the cpu load goes up and the laptop's fans start to run noisy. The whiole system seems to be under higher load. As soon as I disconnect the Dock the system recovers and the fans get silent again. Why is that. Can I do anything about it?

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RELEVANCY SCORE 59.6

(For those of you who have followed my previous threads, I've now ordered a T580 with 4k display). I'm looking for a T3 dock which can do the following on a T580. It would allow me to use just one cable to dock/undock it: 1) Attach a screen with a 2560x1440 resolution with 60Hz (digital connection)2) Attach a screen with a 1920x1200 resolution with 60Hz (digital or VGA connection)3) Full Ethernet port4) Charge the laptop (originally, it comes with a 45W power adaptor)5) Have at least 1 classic USB 3.0 port Unfortunately my budget is limited so that I can't go for the original Lenovo one. If there's a dock which can all the above except for attaching two screens, then this would be ok as well, for the time being (assuming I can run one screen via the dock, and the other screen directly from the HDMI of the T580). Then it would just be 2 cables for docking/undocking...  

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RELEVANCY SCORE 59.6

Since the last Thunderbolt firmware update the DP ports no longer work. No matter what settings you try, no signal is detected. The only way to use monitors now seems to be to use the front USB-C port and connect it to the first monitor and then use DP daisy chain from monitor 1 to monitor 2. We have 2 Thunderbolt docks with the Update installed and both have the issue. We have one with the stock firmware and it works flawless.  Anyone else having the same issue? Any idea how to fix?

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RELEVANCY SCORE 59.6

I have ethernet issues with my Thunderbolt 3 dock 150W and my Zbook 15G3, running on windows 7 / 64 bit. I had many issues before with the system after a BIOS update (slow performance, usb poorts that would't work, windows that would not download updates, ect.). I read many postst with similar problems. The hardware was exchanged by HP but the problems remained and I was left alone to install the BIOS and updates. Thank you HP!After a long period of fiddeling I got everything back to work. Exept for the ethernet connection on the thunderbolt dock. Somehow the drivers are not inatlled / available. The ethernet connection / WLAN on the laptop work fine, but not on the dock. I don't know where to find the right drivers / how to install them. Who can help? 

A:Ethernet on thunderbolt dock won't work

I have the Zbook 15 G3 Mobile Workstation using the Zbook Thunderbolt 3 dock: http://www8.hp.com/us/en/workstations/zbook-dock.html I am sending this on the Zbook connected to the dock using its gigabit ethernet port. HP Support Assistant provided all the drivers needed for the dock. Here is the screenshot of my device manager:    What does your device manager look like under network devices? The Intel ethernet is the built in and the Broadcom NetXtreme is the ethernet in the dock. HP has drivers for both on the support page for Windows 10 64 bit under the Zbook G3 Home page.  I did have a bit of a struggle initially getting the dock to work but I went into the BIOS and disabled all Thunderbolt security settings. If you need any more help post back. If this is "the Answer" please click "Accept as Solution" to help others find it. 

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RELEVANCY SCORE 59.6

With the issues of USB port enumeration apparently resolved, I've started rolling out zBook 15 G3s to our users.  I've discovered in doing so that the dock does not appear to support Wake-on-LAN.  Is there an option to enable this functionality or perhaps is this functionality on the roadmap to be added in a future firmare release? Thanks, Stan

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RELEVANCY SCORE 59.6

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 59.6

Hi.  Hoping that someone can provide a little guidance, and show me where I must be doing something wrong. T480 (20L5 model) running Windows 10 1709 (Core i5, 8th Gen Intel)Thunderbolt 3 Dock (40AC model)Installed Thunderbolt Software is:  17.3.74.400System BIOS is:  1.12BIOS Thunderbol setting:  Security Level - No Security When I connect the dock to the laptop via Thunderbolt 3 connector, the laptop DOES draw power.  So I know that it basically works.What it does not do is anything else.  Connecting ethernet, usb keyboard and mouse, or even VGA monitor has no results. Des anyone have any suggestions about what I might be doing wrong here?  Other settings to check?  Or am I possibly dealing with a faulty component? Thanks in advance for any suggestions. Chris

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RELEVANCY SCORE 59.6

 Hello all, I am a solutions architect trying to solve an issue which I have never heard of before. Though others users are having this same issue, my experience has been different then what they have seen. First,The following are the Security options for Thunderbolt devices as per user guide

No Security: Allow Thunderbolt devices to be connected automatically.
User Authorization: Allow Thunderbolt devices to be connected after user authorization.
Secure Connect: Allow Thunderbolt devices to be connected with a saved key that has been approved by the user.
Display Port and USB: Allow only DisplayPort-compatible devices and USB devices to be connected. Thunderbolt devices are not allowed to be connectedI don't think this is entirely true or at least does not apply properly each time. My scenario:T480, T580, or Yoga x1 3rd genImaging with a standalone MDT environmentDevices come pre-configured from Lenovo with Thunderbolt 3 Security Options set to "User Authentication" Installing all the drivers in the latest SCCM driver packs that Lenovo offers - though the x1 3rd gen driver pack was missing on the site this morning. On some devices, this security option seems to do absolutely nothing. MDT uses the local "Administrator" account to perform post-OS items. I'd say about 75% of the devices reach their destination and the user logs in for the first time as a user, not an admin, and the dock functions properly; monitors/mice/keyboard/etc. work. 25% of ... Read more

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RELEVANCY SCORE 59.6

I have a HP Zbook Thunderbolt 3 Dock, 150W (part number p5q58aa#aba).  It is connected to an HP Zbook Studio G3 running an intel core i7-6700HQ CPU. I have two HP EliteDisplay E231i displays connected to the display port ports on the dock, and am also using the Zbook's own display.   Intermittently, the displays will go black for a few minutes then turn back on.  Also, intermittently the dock will seem to disconnect and I loose my displays as well as the ethernet on the dock.  When this occurs I must restart to restore dock functionality. I have the latest driver (ASMedia eXtensible Host Controller (xHCI) Driver 1.16.38.1 Rev.A) and firmware (ASMedia ASM1042A Firmware Update for HP Thunderbolt 3 Dock 131025.10.11.23 Rev.A). Any tips as to how I can get more consistent performance out of this dock?  It is kind ruining the experience of an otherwise fantastic notebook.

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RELEVANCY SCORE 59.6

I have a thinkpad x1 yoga 1st signature edition. I don't have a usb-c port in my laptop. How can I connect the thunderbolt3 cable to my laptop?
I tried a usb to usb-c cable, and also an hdmi to usb-c adabtor, and my laptop can't recognize the dock either of those ways...
 
Moderator edit: Matched Subject to content.

A:Thunderbolt 3 Graphics Dock with x1 yoga 1st

I believe you need a thunderbolt 3 enabled device for it to work at all. 

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RELEVANCY SCORE 59.6

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 59.6

I have a thunderbolt 3 dock that is useless charging this yoga 370 up. Plugged into the dock it either loses charge or takes upto 6 hrs to reach full charge. Plugged directly into the yoga; charge time = 1hr. Any ideas how to fix this? Thanks













Solved!

Go to Solution.

A:Thunderbolt 3 dock doesn't charge

Firmware update appears to have fixed it, or pot luck. 

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RELEVANCY SCORE 59.6

I just installed the latest set of drivers. The dock still does not connect to my XPS 15- 9550.
This process has gone on for two months.

A:Thunderbolt TB15 Dock still not working

Return it. No amount of software/firmware updates is going to make this device good. It has several hardware issues.

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