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X1 Yoga 3rd gen Thunderbolt 3\eGPU disconnecting

Q: X1 Yoga 3rd gen Thunderbolt 3\eGPU disconnecting

I receintly purchased the x1 yoga 3rd gen to use with my ASUS ROG XG Station 2 eGPU. Shortly after connecting the eGPU, the computer disconnects it, then reconnects. I've updated all drivers, firmware, and software, tried a different tb3 cable, tried it in the second tb3 port while the charger is plugged in, and confirmed the eGPU works on another machine.

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RELEVANCY SCORE 200
Preferred Solution: X1 Yoga 3rd gen Thunderbolt 3\eGPU disconnecting

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

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

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

RELEVANCY SCORE 100.4

I have recently purchased a YOGA 920 and a HP Omen egpu enclosure. I am having problem connecting it to my laptop.
 
First, I tried both port, there's the sound of connect and disconnect, and nothing shows on the laptop, and the laptop is not charging.
 
I have tried with power cable connected, and now it was connected. The egpu still was not charging (no power delivery), and it only works one port 2 (port closer to touch pad) with charger connected to port 1. If I switch them, the laptop goes blue scree. I can remove the power after it is connected but then there is no power supply.
 
It is kind of similar to the issue as MrKnowNothing https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/YOGA-920-Thunderbolt-3-Port-No-devices-fou....
 
I have tried different drivers but all of them do not work. I have updated BIOS and Type-C firmware from Lenovo to the most recent version.
 
One more thing. Is it normal that thunderbolt controller is not showing up in device manager when nothing is connected?
 
I have tried it with my friend?s xps, it works perfectly, basically plug and play.
 
I think it is not supposed to work like this and the egpu should have power delivery to my laptop. Even if there is no power delivery, it should still connect without power adapter connected. Is this hardware problem or driver problem? Is there anyone else have similar problems?
 
Thanks!
 
Moderator Note: Edited subject to match content. 

A:YOGA 920 Thunderbolt/EGPU Issue -HP Omen egpu

guess its not compatible with hp omen? ;(I was hoping to be able to charge and also use the thunderbolt output at same time so I can connect at least one 4K monitor to each port and still charge

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RELEVANCY SCORE 89.2

I have recently purchased a YOGA 920 and a HP Omen egpu enclosure. I am having problem connecting it to my laptop. First, I tried both port, there's the sound of connect and disconnect, and nothing shows on the laptop, and the laptop is not charging. I have tried with power cable connected, and now it was connected. The egpu still was not charging (no power delivery), and it only works one port 2 (port closer to touch pad) with charger connected to port 1. If I switch them, the laptop goes blue scree. I can remove the power after it is connected but then there is no power supply. It is kind of similar to the issue as MrKnowNothing https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/YOGA-920-Thunderbolt-3-Port-No-devices-fou.... I have tried different drivers but all of them do not work. I have updated BIOS and Type-C firmware from Lenovo to the most recent version. One more thing. Is it normal that thunderbolt controller is not showing up in device manager when nothing is connected? I think it is not supposed to work like this and the egpu should have power delivery to my laptop. Even if there is no power delivery, it should still connect without power adapter connected. Is this hardware problem or driver problem? Is there anyone else have similar problems? Thanks!  

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RELEVANCY SCORE 87.2

I've had my x1 yoga 3rd gen for about a year now, and love it. I've been using a thunderbolt 3 eGPU dock (aorus 1070 gaming box) as a dock for about the same amount of time now, since it gives me the convenience power and portability. Other than the occasional visual glitches and restarts, I haven't had any issues when I unplug my laptop from the eGPU dock, or plugging it in. However, yesterday after I unplugged my laptop from the eGPU dock, my laptop kept making a "connected USB" and "disconnected USB" sound. It looked like my Thunderbolt 3 software app kept crashing and rebooting. I also noticed that none of my usb c/thunderbolt 3 ports were working; the laptop says it's charging with nothing plugged in, and when I tried plugging in a charger, it wouldn't charge. The only solution I found was to disable Thunderbolt 3 in the BIOS, but I'm not sure if this is a software issue, or if there's a part of my motherboard that's fried. Does anyone have any ideas or suggestions for troubleshooting?

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RELEVANCY SCORE 85.6

I knocked together an eGPU for my Thinkpad Yoga 370 today with an AKiTiO Node, a NVidia GTX 1050 and a thunderbolt 3 cable.it was all literally plug & play. Spent:  Node eGPU box $240, Refurb NVidia 1050 card, $135, spare thunderbolt cable, $25, upgraded RAM to 16GB DDR4, $160. Put it all together, plugged in T3 cable from PC to Node Box, HDMI from Node box to Lenovo 4K monitior.  Windows recognized new GPU and I loaded the drivers from NVidia.  Windows users the eGPU to drive the external monitor at 2560x1440, Intel integrated GPU drives the laptop panel at the same time.  Works as advertised, no issues.   I tested the setup by rendering video with Corel Video Studio Pro 2018 and the eGPU doesn't even breathe hard.  Ran DCS world (combat flight sim) on Steam (which wouldn't even load prior) and it works flawlessly on high graphics settings.  I'm a terrible pilot, but the visuals are pretty amazing. If you have any questions let me know but this was super easy. Pictures at this link: https://photos.app.goo.gl/kJP4LXCXcxwyXBAC2 





2017 Yoga 370 (personal) 2017 T570 (work), LG G6

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RELEVANCY SCORE 85.6

My Yoga works fine with Thunderbolt 3 eGPU when i put it on when Notebook is running.If I try to restart or turn Notebook on with eGPU Dock I get no signal for screen. Not on Notebook Display and not on external Display.  There is no way to get a signal on any Port or to change output. The only Way then is a Hard Reset. After that everything works finde, even the eGPU.I tried this with Razer Core X and HP Omen Accelerator and Razer support said its a Problem with the Thunderbolt3 Driver.Anybody had this Problem too?I tried Drivers from Lenovo and from Manufactures.   

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RELEVANCY SCORE 84.8

Hello,I'm interested in buying the new x1 yoga when it becomes available.  I'm a graduate student and my focus is in deep learning.  I'm aware that there are other options available (NVIDIA built in), but I am interested in the portability of the X1.  I'm also aware that transfer speeds can be a problem when using an eGPU but it's my understanding thunderbolt3 could be "fast enough" for this application.Would I be able to do cuda programming with the x1 and an eGPU like the razer core + titan x though the thunderbolt 3 port?Thanks!

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RELEVANCY SCORE 68.8

Hello, I'll be getting the new Thinkpad P52 mobile workstation soon and wanted to know (as I couldn't find this anywhere and this model is really new) - will it support connection of external GPUs (egpu) through one of it's Thunderbolt 3 ports? If so, are there any significant performance or heating limitations relating to this sort of usage for example for high-end gaming or 3D modeling applications? (assuming I don't use the internal dedicated Quadro P2000 gpu for this), are there such limitations on the external GPU itself?  (type, compatability etc.) Thanks!

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RELEVANCY SCORE 68.8

I've recently been looking into buying an eGPU Enclosure such as the AKiTiO Node or the Razer Core. I've updated all the firmware and now I am running Thunderbolt Software Version 16.1.47.275. The Node and Core both specify that the computer needs to both have Thunderbolt 3 (which I have) and be compatible with external graphics. What does this mean? I have Thunderbolt 3, so wouldn't it be theoretically possible to run external graphics provided the firmware was up to date?
So in summary, my main question is this: Will/can the Dell XPS 13 9350 be able to use eGPU enclosures over Thunderbolt 3 now (or in the future if there is firmware updates being planned)?

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RELEVANCY SCORE 68.8

Are there plans to make the Precision 7510 thunderbolt III port to allow an external GPU (eGPU)? According to the eGPU enclosure I want to buy it requires this details page should say "Yes" under External GPU Support. I believe I have the most up to date BIOS and thunderbolt III firmware.

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RELEVANCY SCORE 68

Folks - Just wanted to share the early results of my experiment with adding a Thunderbolt 3 eGPU enclosure to my T570 laptop. I just got this up and running, but everything operates mostly as expected so far. The only negative items so far are that my Ultradock does not have a Thunderbolt 3 port, so I must connect the TB3 cable directly to the laptop. Also, when cold booting with the laptop installed on the dock, the bitlocker password screen will not display on monitors attached to eGPU. The logon screen only displays on laptop screen (even when laptop is closed). My configuration is as follows: System specs Lenovo T570 Thinkpad LaptopIntelŽ Core? i5-7300U CPU @ 2.60GHz8.0 GB RAMIntel HD Graphics 620Machine Type Model: 20H9000PUSWindows 10 (64-bit) eGPU hardware Akitio Node EnclosureNvidia GTX 970 with 3 ea 1920 x 1080 monitors attached Installation stepsInstalled updatedThunderbolt drivers (16.3)Plugged in Akitio Node with GTX 970 installedInstalled Nvidia driversUpdated Akitio Node firmware Benchmarks Cinebench R15OpenGL with internal Intel HD Graphics 620 = 31.80 fpsCPU with internal graphics = 290 cbOpenGL with Akitio Node and GTX 970 eGPU = 98.4 fpsCPU with external graphics = 326 cb Now running 3 x 1920 by 1080 monitors on the GTX 970 plus the laptop display. I believe that I can now use a total of 6 displays (three attached to eGPU and three attached to laptop, but I have not tried that config yet...

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RELEVANCY SCORE 66.8

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

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RELEVANCY SCORE 66

Hi everybody. I have a Lenovo V310-15ISK, and I would like to try a eGPU solution in order to improve the computer performances. Has my computer a thunderbolt port? If not there are other solutions for my computer to get working with an eGPU? Thank you.

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RELEVANCY SCORE 66

Hi everybody. I have a Lenovo V310-15ISK, and I would like to try a eGPU solution in order to improve the computer performances. Has my computer a thunderbolt port? If not there are other solutions for my computer to get working with an eGPU? Thank you.

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RELEVANCY SCORE 66

Hello, I am considerng the T480, T480s, T580, P52S and CarbonX1 Gen 6. Any users of the above models use eGPU and Nvidia GPU under Ubuntu Linux? Does it work well? As for the dock, anybody use the Caldigit Thunderbolt 3 Plus? How is it compared with Thinkpad's dock? 

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RELEVANCY SCORE 64.4

I'm using Lenovo ThinkPad T580 and would like to connect eGPU Sonnet eGFX Breakaway Box 550 with GTX970. When I connect Thunderbolt 3 cable to upper USB-C socket I get error "Thunderbolt device functionality might be limited" I was not able to find any useful information about this issue. So I connected Thunderbolt 3 cable to USB-C socket which is used by docking station. It works fine I was able to install nvidia drivers, but it works perfectly only during the time when battery is charging. When battery is fully charged egpu starts to disconnect/connect all the time. The screenshot shows last moments before it goes through endless disconnect/connect cycles. This eGPU works absolutely fine with my other laptop Dell XPS13 (whether it's fully charged or not) I updated BIOS and already tried different Thunderbolt 3 settings in BIOS. Is there a way to fix this issue? 

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RELEVANCY SCORE 59.6

I have a yoga 720 15-IKB model 80X7001TUS that's the one WITHOUT the GTX 1050 graphics card. Does this laptop support an eGPU? Does it even have a thunderbolt 3 port?

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RELEVANCY SCORE 59.6

Hi alls,I'm aware of this thread and several reviewers on the net about eGPU, plus some highly praises for this AORUS Gaming Box.Initially, I was not interested in the subject of eGPU, as I'm not a gamer. So, eGPU would be a waste of money, at excessive high cost, and not necessary for this high-end Yoga 920.But . . . when I tried processing some videos, the GPU usage in Task Manager stayed upward in the 98% high. Too bad, that I do this task often.Hence, I wish to start this thread, with some initial (perhaps naive) questions as follows:. Does it harm the laptop to be in high GPU usage in long term ?. If a hardware change is needed, is there a solution with more reasonable cost ? and small size for portability ?Looking forward to see many great debates. Thanks. 

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RELEVANCY SCORE 59.6

I'd like to buy a eGPU enclosure with an amd radeon graphics card. Does it work with the lenovo yoga? And if yes, do you know any better and cheaper eGPU envlosures with graphics card or in generell something so that I can game better with the yoga 910 and use better graphics

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RELEVANCY SCORE 59.6

Does anyone know what the possibility would be to include a eGPU to this system?

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RELEVANCY SCORE 59.6

Hello, My W541 ThinkPad with Windows 8.1 hangs/freezes completely every time I disconnect my Apple Thunderbolt 27inch display. I have to hard reboot the machine to recover. Note that this does not happen with another monitor which connects via the Thunderbolt plug (although this one is not a true Thunderbolt connection but rather a mini DisplayPort) I have tried updating the NVidia drivers (NVIDIA Optimus Display Driver for Windows 8.1 (64-bit) - ThinkPad) and also installed the Intel Thunderbolt Controller Driver for Windows 8.1 (64-bit) - ThinkPad W540, W541 Thanks

A:W541 hangs when disconnecting Apple Thunderbolt di...

I am having this exact problem, only my OS is Win7 Enterprise and I'm connecting to a large LCD TV using HDMI + Thunderbolt adaptertried 2 different TVs today (different conf rooms at work) and both froze my laptop.Driver versions:Intel: 10.18.14.4264 (date 8/4/2015)NVIDIA: 9.18.13.1269 (date 10/28/2013)This is my first lenovo in years, very disappointing! I can't remember the last time I had a PC completely freeze like this, must be over 10 yrs ago.

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RELEVANCY SCORE 59.2

Hello everyone, I'm new in this forum, My name is DanielUse octane render on business and need to use it on my laptop.I bought and installed this mpcie adapter: http: //www.hwtools.net/Adapter/PE4C%20V3.0.htmlOkay, Windows 10 recognizes the external video card, I installed the drivers updated.Now I have a problem: Error 12 in the properties of the VGA (management> Device> Properties VGA)How can I fix if possible?I need to use the integrated graphics for navigation, the outside only for the calculation not to add another screen. Thanks a lot to every one can help me.

A:egpu+Thinkpad yoga 12

no one has an idea?...

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RELEVANCY SCORE 59.2

Brand new X1 Yoga 3rd Gen with i7 8650 and Win 10 Pro - "Known good" Aorus 1070 eGPU box (and factory TB3 cable that might be 18" long. I have been using the Aorus1070 with my Dell XPS 15 but the 2 lanes of PCIe on my XPS warranted an upgrade. I really like the X1 Yoga and want to jump ship from Dell to Lenovo but not if the eGPU issues cant be fixed.(I haven't owned/used an IBM laptop since back in 2000 when it was still IBM) Issue 1 - eGPU won't power on.Issue 2 - Computer freezes (with or without BSOD)Issue 3 - False charging (not the common issue)Issue 4 - Mouse freeze  Issue 1 - The Aorus box has no power switch and should automatically turn on when the computer turns on. The Aorus box will only power on around 1 out of 5 restarts/power-ons. When the laptop is up and running I can try unplugging and plugging in the TB3 cable and maybe 1 in 10 attemps prompts the Aorus box to power on. Most of the attempts to plug in the Aorus box while the laptop is powered on results in an instant BSOD. Issue 2 - Whenever the 1 in 20 attemps to power on the Aorus box is successful and I can use the eGPU I can sometimes get anywhere from 2-4 hours of gameplay out of it before freezes - Sometimes there will be a BSOD but other times the image is just frozen and the last 0.5 second of audio re-re-re-re-re-re-re-peats until I hard kill the laptop. Issue 3- The charging issue is not the one that google loves to show me when I search for it. It's not the "plugg... Read more

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RELEVANCY SCORE 59.2

Can anyone tell does Lenovo yoga 730 15 support egpu and which one I can buy. Thanks 

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RELEVANCY SCORE 59.2

Hello Community Experts I have an Lenovo Yoga 12", which I'm not sure if it has the thunderbolt 3 connection(which on my understanding of eGPUS is the only viable connector). And I want to run a eGPU on this laptop, can I do the connection with an eGPU using this laptop? Is this possible? If not, can I upgrade my graphics performance somehow? Looking foward for any help!

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RELEVANCY SCORE 59.2

Hi guys! I recently bought Akitio Node Thunderbolt 3 eGPU. I use it with 1050 to card.But there is an issue with charging laptop.My Yoga 920 has two USB C port. You can charge it through both of them.When I connect eGPU, it supplies my Yoga with power. But this power is weak to charge laptop during games.I tried to connect regular charger to second port. But there were no changes after that. Does Yoga disables port for charging if one is already charging laptop?What should I do to charge my laptop with enough power?

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RELEVANCY SCORE 59.2

I have Aorus gaming box 1070 which I am connecting to Lenovo Yoga 730 13-IKB laptop. Everything works fine except the docking station won´t charge my laptop. The laptop has 65W adapter so the gaming box should provide more than enough power. I have tried all three versions of firmware fom gigabyte with no luck. The laptop charges normaly with suplied lenovo charger. The latop has two thunderbolt ports and if I connect the gaming box and the normal charger the laptop still won´t charge, if I then disconnect the gaing box leaving only the lenovo charger the laptop starts charging again. 

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RELEVANCY SCORE 58.8

Hi, When I unplug the zDock Thunderbolt 3 cable from my laptop, it powers the dock off immediately and disconnects everything USB connected to it. Is this intended functionality? My others docks never lost power when I disconnected the laptop from the dock. When I plug the cable back in, everything lights up and powers on the dock like it should. I did read somewhere on the HP support site that this dock does not work pre-OS - is this what I am experiencing or does that mean something else? I'm really astonished that a dock that has AC power running to it MUST be connected to a laptop to work. Thanks,Glen

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RELEVANCY SCORE 58.4

So I know the eGPU doesn't produce sufficient power to power the laptop(it does 30w, when the laptop wants 45 or 60w), but I don't understand why that'd potentially cause crashing. To clarify crashing still happens when I plug it into the thunderbolt 3 non-power port as well., I have gotten it to work SOME TIMES(enough to install Nvidia drivers, and the eGPU enclosure drivers), but most of the time it just crashes my system. And it happens almost immediately after plugging the egpu in. For further clarification, my Dell XPS 13(with far inferior specs... 4gb ram, 8250u), has no issues with the eGPU enclosure and works perfectly with it. I'd just obviously rather use the eGPU with the more powerful cpu and more ram... 4gb is rather restrictive, but that laptop serves the purpose as a travel theater anyways(good screen for movies, not so bad headphone dac, and with the 8250u an amazing battery life). Specs:X1 Yoga 3rd gen with 8650U & 16gb of ram, 1440p hdr displayOMEN Accelerator with ASUS GTX 1080 Strix

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RELEVANCY SCORE 58.4

I'm in the market for a new laptop- and I'm in love with the Yoga 920. As a digital artist and architecture student everything looks like what I would want in a computer. I showed the specs to my advisor and he says it's a "no-go" because it has an integrated graphics card. That the computer would be unstable in the long run without a dedicated one. I don't really game on my computer- but I'd need something that could render 3D elements and potentially allow me to do VR walkthroughs. For me the wacoom tech screen for drawing is what's really selling it to me and I can't seem to find the best of both worlds. I thought about just buying a gaming laptop and then getting a cintiq to satisfy that aspect for me but I'd be dropping $2000-$3500 on the low end- which is quite a bit more than the prices I was looking at for just the Yoga Does anyone know if I can get a Yoga 920 with a dedicated driver or if it's compatible with an eGPU? I'm worried that an eGPU might affect the stability by plugging it in and out.

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RELEVANCY SCORE 58.4

Hey folks; I'm considering the Gigabyte Aorus GTX 1080 gaming  box :https://www.gigabyte.com/Graphics-Card/GV-N1080IXEB-8GD#kf Anyone have experience with one of these or similar?  I'm looking for a unit that both runs external graphics and powers the laptop to cut down on cords.

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RELEVANCY SCORE 58.4

To add to the knowledge base - I have connected my Yoga X1 2nd Gen to an Asus XG Station 2 with an ASUS 1080 GTX SC successfully. It charges over the Thunderboldt and runs great. much gaming and VR still to do! 

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RELEVANCY SCORE 58.4

To add to the knowledge base - I have connected my Yoga X1 2nd Gen to an Asus XG Station 2 with an ASUS 1080 GTX SC successfully. It charges over the Thunderboldt and runs great. much gaming and VR still to do! 

A:Lenovo X1 Yoga 2nd Gen connected to eGPU

Thanks! Is great to know that. Though it probably belongs to https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/bd-p/tp02_en?
 
Moderator note: thread moved.
 
 





If I helped you, please give me some kudos! ^^

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RELEVANCY SCORE 58.4

Hi everyone I want to order a thinkpad x1 laptop that I can sometime use with an eGPU for gaming. I kinda favor the X1 yoga but heard that X1 Yoga is more prone to thermal throttling and heating than X1 carbon. Anyway, if anyone  already tried gaming on X1 yoga (6th gen) with an egpu, would you mind sharing your experience with me (especially in term of thermal throttling and heating). Thanks

A:X1 Carbon or X1 Yoga for gaming with eGPU

To be honest, T480s would be even better, as according to tests, it's able to utilize CPU fully, thanks to good cooling system (make sure to get iGPU-only version though). And thanks to undervolting, you'll be able to elimimate throttling under prolonged load. You'll find more information in article below (both X1's were also tested): https://www.notebookcheck.net/A-performance-comparison-of-all-new-ThinkPad-notebooks.286486.0.html





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RELEVANCY SCORE 57.6

I have found in the specs that the Yoga 730 supports Thunderbolt 3, but I can't find any explicit mention of eGFX or eGPU support. Has any one found a mention of this, or has anyone successfully used an eGFX/eGPU with their 730?

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RELEVANCY SCORE 57.2

Here is my new project...it is a  e-GPU modified 20JD  Lenovo ThinkPad X1 Yoga 2. Gen 20JD005 Intel 7600uSamsung PM961  1 TB m2 SSD FRU 00UP414with WiGig etc..Nvidias GeForce GTX Titan X 12GB Pascal andMantiz VENUS (MZ-02) Space Grey - eGPU enclosureand  Sony  Ultra HD  KD-43XE8005 All Multimedia datas comes from the Lenovo Px4 Nas Servers and Qnap TVS-673....all Nas devices are attached (Link Aggregation) to Gigabit Layer 3 Switch from Huawei (S5300-52P-LI-AC )  I will add the benchmark results later.... 

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RELEVANCY SCORE 52.4

The new Yoga 730-15 has a USB-C/Thunderbolt port, but apparently it is not enabled. What do I have to do to set it up? 1) I see there is a Thunderbolt 3 driver available. Do I have to download and install it? Why would that not have been part of the initial set up of the PC.2) What else do I have to do? Some systems have additional Thunderbolt software or is that included in the driver download? JohnD

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RELEVANCY SCORE 52.4

Hey guys!So... considering the Yoga 720 has only 2 PCIE lane through it's thunderbolt, except poor performace with eGPU, what else can't it do? what are the other downsides?Thanks!

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RELEVANCY SCORE 52.4

Hello, I am interested in purchasing a Yoga 730 (15"), in large part because it has a Thunderbolt 3 port. Will the Thunderbolt 3 port on this laptop enable be to achieve the following using a single cable connected to a suitable Thunderbolt 3 dock? 1) Charging the laptop2) Simultaneous connection to two external monitors in extended desktop configuration? Am asking because I have seen isolated reports on forums of these functions not working. However, these were a few months ago so want to check what the current situation is and if anyone on here can confirm that these functions are working. Thank you

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RELEVANCY SCORE 52

Can anyone tell me, is it possible to utilize a Thunderbolt display with my X1 Yoga?  If so, how might I go about doing that? Phil

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RELEVANCY SCORE 52

Hi, I think I'm having some problem with my Yoga 920's thunderbolt port. I bought a StarTech thunderbolt 3 dock. When I first time plug in the dock, everything works fine the thunderbolt software pops up and ask me the authorized the new dock. And I click always trust this device. Then the windows crushed with a blue screen and a QR code on it. After 920 restarted, and I tried the dock again, it was identified as USB 3.1 hub but no USB connection. And when I tried to open the thunderbolt software, it shows me the following warning.I tried to update the driver, but the installer said it was all ready. And then I downloaded HWINFO64 to check, I could not find the thunderbolt 3 controller under the PCI-Express X4 BUS. Is that means my thunderbolt 3 port is broken? What should I do with this? Btw, when I plug in the thunderbolt 3 dock, the powersupply is also connected, and the dock also provide the power, two power supply input at the same time, will that be a reason of the crash which also burn the thunderbolt 3 controller? Thank you. 

A:Yoga 920's thunderbolt 3 port

Just tried USB 3.1 card reader, port's usb function works well. 

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RELEVANCY SCORE 52

I was looking at buying a thunderbolt dock to use at my office desk which has dual monitors (just 1080p each).
 
I googled how to find out what version of thunderbolt device you have.  Apparently you start the thunderbolt app, the right click on the thunderbolt in the system tray and do settings->details.
 
This worked on my Dell work computer and I saw that I have one Thunderbolt 3 (1575) port.
On this Lenovo X1 Yoga the top portion (Thunderbolt Software) is populated but the bottom portion (Thundrebolt Controller) is completely empty.  Anyone else get this as well?
 
What is the remedy?
 
Moderator edit: Added model to subject

A:X1 Yoga 2nd Thunderbolt Version

I don't have a Thunderbolt device handy, but I think you actually need one connected to see that information.

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RELEVANCY SCORE 52

Hardware: LENOVO ThinkPad Yoga 370 20JJS0HD00Bios: R0HET41W (1.21 )System: Linux  I believe I have issues similiar to described in https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/ThinkPad-T470s-BIOS-bug-WOL-and-Thunderb... With Wake On LAN" (Config -> Network) disabled and "Thunderbolt(TM) 3" (Security -> I/O Port Access) there are system corruptions at boot when run on battery: thunderbolt 0000:08:00.0: NHI initialized, starting thunderboltthunderbolt 0000:08:00.0: allocating TX ring 0 of size 10thunderbolt 0000:08:00.0: allocating RX ring 0 of size 10thunderbolt 0000:08:00.0: control channel createdthunderbolt 0000:08:00.0: control channel starting...thunderbolt 0000:08:00.0: starting TX ring 0thunderbolt 0000:08:00.0: enabling interrupt at register 0x38200 bit 0 (0x0 -> 0x1)thunderbolt 0000:08:00.0: starting RX ring 0thunderbolt 0000:08:00.0: enabling interrupt at register 0x38200 bit 12 (0x1 -> 0x1001)thunderbolt 0000:08:00.0: starting ICM firmwareBUG: unable to handle kernel NULL pointer dereference at 0000000000000980IP: pci_write_config_dword+0x5/0x20 Disabling thunderbolt device fixed problem. After reading above topic I enabled WOL and enabled thunderbolt, the boot runs fine but thunderbolt device is innacessible in system. After reverting to bios defaults thunderbolt is still innacessible I afraid if it died. Can you confirm that ThinkPad T470s BIOS issue affects Yoga 370? If so, can we get same BIOS fix tha... Read more

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RELEVANCY SCORE 52

Hello.. just bought a 2nd gen Yoga x1.. i7600u/8gb/256gb/OLED for $1100 on the outlet website.  Couple questions if anyone knows.. is the Thunderbolt port 2 or 4 lanes? I'd like to use a  razer core if it's 4. Also can I charge using my Samsung usb C charger?

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