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X1 Carbon PXE Boot Issues

Q: X1 Carbon PXE Boot Issues

Firstly Hello everyone, and sorry if this has been asked / solved before... I couldn't find the search option for the forum (its early, my brain is still sleeping). I have issues with getting the X1 Carbon to PXE boot, I have it connected to the network via the Lenovo USB / Ethernet adaptor, and when I press F12 the LAN option is there. This is where the problems start. One you press enter to boot via NIC the screen goes black and the text ">>Start PXE over IPv4" is displayed, this lasts for about 30 / 40 seconds before exiting back to the boot menu. It never boots through to Ghost. I have double checked that I have the TFTP server, PXE server and Ghostcast Server running correctly (and has been tested using a Vaio). Has anyone else seen this issue? Fixed this issue? Thanks for reading, and any help would be greatly appreciated



I hope I think I know








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RELEVANCY SCORE 200
Preferred Solution: X1 Carbon PXE Boot Issues

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.)

A: X1 Carbon PXE Boot Issues

I'm having the same issue only with SCCM. All other models work properly. When I PXE boot the Carbon with the USB Ethernet adapter, it doesn't recognize the adapter. I've added the 2 NIC drivers to the boot image. Is there something else that needs to be done? Thanks for any assistance.

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RELEVANCY SCORE 60.4

I've received an X1 Carbon yesterday (i7-7600u, 16GB, WQHD, 1TB SSD and pretty much all options) and on the first boot Windows had a number of problems during final setup.  This led to a number of "Something went wrong" messages and a freeze at one point but after a couple of restarts it finally got to the desktop. I am concerned there maybe a hardware issue but it could be the combination of hardware options/drivers. A quick hardware test in Lenovo companion didn't show any issues so has anyone else had this type of problem on first boot? 

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RELEVANCY SCORE 46

Hello, I have X1 Carbon with W10, using suggested resulotion I need using zoom for see icon with normal dimension, but some problem has problem with this function, I work too much wirh RDS and I see remote server with my default resolution, and so very difficult work inside.I try change my default resolution with more lower, but I see icons not clear... Have you some suggestion to solve problem ?Thanks M.

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RELEVANCY SCORE 46

Hi everybody! I'm a past owner of x1 Carbon 1st gen (stolen right before Christmas..).I'm buying the new x1 Carbon 4th gen (website, Italy) but there are some points that are not clear to me about this beautiful ultrabook. Power adapter: it's possibile to choose between 45watt and 65 watt. From the psref it seems to me that the 45W power adapter doesn't support rapid charge. Is it right? WiGig and WWAN: they cannot be chosen togher (source psref, as on the website the WiGig is still not shown). It will be in this way also in the future, or it's only a limit of the first configs on the market? WWAN: it's not fully clear to me for an Italian guys if it's better the SIERRA or HUAWEI option (I think the first). Can you please help? Thanks in advance to the community for the help.. Giordano    










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A:X1 Carbon 4th gen - configuration issues

Hi TheRealGMC, and welcome to the Lenovo User Community!
 
Yes the 45W power adapter does not support RapidCharge. For that you need 65W. I'm looking forward to the 65W Micro power adapter being available.
 
You are right, it's WiGiG OR WWAN, not both. This is what we were told at CES, and there was no indication that would change.
 
The PSREF seems to imply that the HUAWEI is a Western Europe (WE) only option. The Sierra card supports the faster LTE-A standard.
 
Hope this helps!
 
 

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RELEVANCY SCORE 45.6

Hi all, I have a problem with my X1 Carbon. My X1 carbon was infected with virus couple days ago. No sweat, did fresh installation through windows 10 recovery option. Everything works fine until noticed there are three issues happening and I could not figure out what is wrong with it.1. The hotkey (function key) does not work anymore. F1-F3 works normally, F5-F6 as well. Besides that, all the function key does not respond to any command. I have installed the Hotkey packages for X1 Carbon as per some Lenovo rep instruction in the other topic, but it still does not work.  I suspect that the System Interface Foundation Device driver which controls the function key through Imcontroller is somehow corrupted. Everytime I opened the Lenovo Companion app, hardware settings, keyboard, it pops up a notification saying "This app could not run on your PC, to find a version for your PC, check with the software publisher. Further checks through process, pointed out to the Imcontroller, which I suspect controls the function key settings.System Interface Foundation driver installed version 1.1.12.0Fn and function keys driver version 9.0.0.6 (BUT, in device status says "No driver installed for this device") 2. I noticed that my mouse configuration changes to windows default everytime it wakes up from sleep. This is incredibly frustrating. I followed some instruction to disable some settings in the registry editor. Still does not work. Any help is appreciated.&nbs... Read more

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RELEVANCY SCORE 45.6

I have a weird issue with one of my 4th gen X1 Carbons, model 20FC-S2S600 ... Whenever I rest my palm on the palmrest to type, the mouse moves unexpectedly. It usually gravitates toward the bottom left side of the screen. I am well aware that the trackpad might inadvertantly get touched while typing, however, nothing is touching the trackpad when this happens. I was able to reproduce the issue my taking my index finger and pressing down firmly on the right side of the palmrest between the fingerprint reader and trackpad. My finger was near the touchpad but absolutely not touching it. To reiterate, this is not an issue of inadvertetly touching the trackpad while typing. The mouse moves when pressure is applied to the right side of the palmrest between the trackpad and fingerprint reader. Has anyone else expreienced this issue?

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RELEVANCY SCORE 45.6

All, We are having issues with an X1 Carbon USB to Ethernet Adapter.  We have logged multiple support calls with Lenovo, and all they do is send out new adapters. I now have 3 adapters..!! The issue are having is that we connect the USB to ethernet adapter to the machine, and everythings works smoothly for 3-5 minutes.  It then drops the network connection and stops working. We have updated to the latest drivers for Windows 8, changed power management settings, tested on a Windows 7 Machine, tested on 2 different networks, and different cables and we all get the same issues. Lenovo is hopeless in supporting this, so i am looking for other ideas from the community no how we could fix this.  We have another called logged, but guess what, they are sending me another adapter..  Ill have enough spare parts for life at this rate.  Any thing you guys suggest that we can try, or is anyone else expericencing the same issue? If their is any Lenovo Representitives on here, i would love a call from you to help us out.  We are a large business with over 150 laptops from lenovo, and right now, im ready to stop buying lenovo aftert all the issues we have with support on this case. ThanksScott LancasterIT Manager

A:X1 Carbon USB to Ethernet Adapter Issues

Hi, try disabling all USB ports power saver (4 of them) in device manager. In Windows, click on Start >Control Panel (or Start >Settings >Control Panel).Double-click on System, then open the Hardware tab.Click Device Manager.Click the + at Universal Serial Bus Controllers.Right-click USB Root Hub and select Properties.Open the Power Management tab.Clear the checkmark from Allow the computer to turn off this device to save power.Click OK.Repeat this procedure for the USB 2.0 Hub.

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RELEVANCY SCORE 45.2

Dear. X1 carbon users. I got a brand new X1 carbon 3rd gen and update to windows 10.But when I scroll up/down or move images,vertical lines are flickering all over the screen.Also, I can see these vertical lines flickering at the wall paper with gradations.I am not sure this is one of hardware problems because I update windows 10 righr after I got this.I updated recent intel graphics driver and all drivers using 'lenovo pc experience'.(Actually I tried to instal newest driver on intel website but failed because this is not a manufacturer's version.)Please let me know how I can fix this. Thank you.  

A:Flickering vertical lines issues on X1 carbon 3rd ...

Hello. I have the same problem.  Do you have a solution? Or you keep the problem I downloaded from Intel the graphics card drivers and the same problem like you. Please let me know how I can fix this.

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RELEVANCY SCORE 45.2

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

A:X1 Carbon ThinkPad USB 3.0 dock audio issues

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

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RELEVANCY SCORE 45.2

Hi Team, I am getting an issue with PXE booting my X1 Carbon 20FB. I have plugged in the default 'PCI LAN' adapter that came with it. the option is called 'PCI LAN: IBA CL Slot 00FE v0106'. I have other options, but they're windows boot manager and the HDD.  I have turned off secure boot, and have legacy and UEFI boot enabled. i have also tried with either one on and off.  When booting from here, I get the DHCP request, and when i try to hit F12 to start building from network, it seems to not register me hitting F12 or it skips passed it? Please help.  Thanks,

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RELEVANCY SCORE 45.2

I recently got a 4th gen X1 carbon, but I noticed some resolution/display issues with certain programs. I tried running Autodesk Vault, but when the program opens it looks like this:The resolution is low grade and is definitely not displaying properly. But it seems like the fill-in blanks and buttons are in the correct spot because when I hover the mouse where they should be I could click on them. I don't think its a problem with the program file because I used the files to download onto another computer and it works fine.  The resolution also looks terrible for the home screen of League of Legends, but during gameplay it is perfectly fine. Does anyone know how to fix this??

A:ThinkPad X1 Carbon 4th Gen display issues with some programs

If you have one of the high-definition screen, you are seeing the dark side of screens denser than FHD.  Some applications have made no attempt to become compatible.  All I can suggest is to contact the software publisher.  I can say that over the past year, I have seen the nubber of incompatible applications has gone down.

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RELEVANCY SCORE 45.2

We've got about 2 dozen of the 4th gen x1 carbons, machine type 20FB, and have had a high number of display related issues with them.  At the moment, we have 3 sitting upstairs waiting for UPS to pick up for shipment to lenovo service, and one more on my desk that was just acting up.  I'm told that we have previously sent in at least another 3 or 4 laptops for similar issues.  I understand that those previous laptops had the displays replaced, and that we have yet to see a recurrence of the issues in one that has been repaired. The problems we've seen are intermittent, and generally fall into one of two categories:FlickeringVideo garbled, missing sections, or complete garbage.  The flickering is sometimes very faint, barely noticable, but other times it's more pronounced, bad enough that users complain of headaches and/or "it's going to cause seizures!" The garbage video issue is what I just saw with the laptop sitting on my desk.  It went to sleep, and when I woke it up, this was what I saw:? After a few moments, the laptop rebooted on it's own and the display was back to normal, but I don't want to send this out with a user now just to get a support call when it happens again. Is anyone else having this sort of issue?  Or did we just particularly unlucky? 

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RELEVANCY SCORE 45.2

Hi folks, We have several Lenovo X1 Carbon 20FB Windows 10 Pro laptops.  More than one of them experience WiFi connection issues. Specifically and consistently when we move from room to room on our floor.  Even if connect automatically is checked, when we get to the destination, we may get connected to the AP, but unable to access anything, until we disable/enable the WiFi adapter.  This happens everyday, everytime.  I've been in the habit of disconnecting before I move. All other WiFi devices, phones, do not experience this issue. Anyone hear about this?

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RELEVANCY SCORE 45.2

I have the following issues with my X1 Carbon 2017 (5th gen):1.  After the laptop comes back out of sleep mode, the backlight is always off even if it was on before entering sleep mode. Is something damaged, wrong settings or are all X1 Carbon laptops supposed to act like this?2. I can't find a way setup a timer for the backlight. Something similiar to what HP (Elitebook) and Dell (Latitude) has. Can I tweak this somehow? Maybe in the BIOS?

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RELEVANCY SCORE 45.2

Hi Community, Have a X1 Carbon 6th Gen with Lenovo thunderbolt 3 dock - issue is, after high CPU load or sustained use throughout the day, the displays attached to the dock will flicker/shut off completely, and a very audible coin whine/metalic hard drive sound can be heard from around the thunderbolt 3 port area (left side).. If the dock is unplugged, the sound goes away. If the machine is rebooted, the sound goes away and dock will function normally for a few hours before having the same issue. Here is a video of the issue. Anyone had issues similar?

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RELEVANCY SCORE 44.8

Hello! I have made many driver pachages and image loads of lenovo pc, but i cant figure this one out. I think I have spent 4 hours of researching and I have realised I need to put down my pride. I need help. Using:Sccm 2007.WinPe 3.1 I'm using the Onelink+ pro usb to RJ45 adapter to get ethernet. It says it supports PXE. We use winpe 3.1 and want to deploy Win7.I have added all the drivers from Lenovo sccm pachage. I have turned "only legacy" in the bios. I have added the USB3 Exstension driver to both the image and WinPE. I get to download the Winpe and start it up. It have an IP and shows activity untill it start Winpe and check connectivity. It show error, but simply just reboot. When i f8 and type ipconfig /all it shows nothing. Please help me.  

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RELEVANCY SCORE 44.8

Hello all,I recently received my new X1 carbon touch and am satisfied with most of it and the capabilities it has. At office, I connect my laptop to a larger screen and bluetooth keyboard and mouse for better control and better work experience. I use Logitech laser MX that I have since long time ago, at home I use a smaller logitech bluetooth mouse as well.I'm experiencing lags, after using the mouse (and keyboard) for few seconds, If I give it few seocnds I can work again for a minute or two, but for the long run it's really inconvenient. Sometimes the mouse will disconnect after couple of minutes and will not return to work until the computer will sleep and wake up again. I do not like to spend a free USB port for another keyboard since there are only 2 now.Please help!Ilan

A:New X1 Carbon touch 20A7 bluetooth issues (Lag and disconnecting and maybe more)

Hi Llan,
 
Welcome to Lenovo Community Forums!
 
I?m sorry to hear that Bluetooth in your Lenovo ThinkPad X1 carbon is frequently getting disconnected.
 
Try unchecking "Allowing the computer to turn off this device to save power" in Device Manager->Bluetooth Radios->ThinkPad Bluetooth 2.1 with Enhanced Data Rate->Properties->Power Management.
 
Try checking with replacing the new battery in the keyboard and mouse.
 
Hope this helps!
 
Best regards,
Hemanth Kumar.





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RELEVANCY SCORE 44

I'm having some issues with the Bluetooth audio quality on my 3rd Gen X1 Carbon. My system is equipped with the Intel Wireless-AC 7265 Dual Band adapter.I have the latest drivers for the adapter, but this occurred even before updating them. I'm running Windows 10 with the latest updates. The machine shipped with Windows 7 and the problem occurred under Windows 7 as well. This issue occurs with both Bluetooth wireless headphones I own. Both pairs of headphones work fine with my Moto X Android phone operating in the same environment. What happens is that I get things that sound like static or popping while listening to any audio over Bluetooth. It doesn't seem to have an identifiable pattern, but it happens 1-5 times per minute. It'll happen with any audio source, including local music files, local video files, streaming music, & streaming video. These problems do not occur with wired headphones with the same sources.
I can temporarily fix the problem by telling the computer to forget the Bluetooth headphones, turning my headphones off, and then turning them back on and repairing. That'll cure it for a few hours to a few days, but then it annoyingly comes back. 
Any help would be appreciated! 

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RELEVANCY SCORE 44

Computer will power on & off after 1s when pressing power button.Cleared the cache by pressing the reset button on backside with paperclip but still does not turn on.Power button blinks 3 times when plugging in AC adaptor.Any suggestions for a quick fix?

A:Carbon X1 3rd gen won't boot

Do you have warranty remaining?

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RELEVANCY SCORE 44

I have a X1 Carbon Model 20FB...... I purchased a USB RJ45 Dongle to PXE boot for imaging and it is failing to boot. It never lights up like it is going to work, model of USB device U2L 100P-Y1 (labeled lenovo).... Does anyone have an answer as to how to solve this issue. I have tried multiple drivers and can't seem to find the correct driver. Thanks  

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RELEVANCY SCORE 44

Got my new X1 Carbon and  I am really happy with it. I want to deploy the company image to my X1C Via SCCM.   Currently we deploy VIA PXE Boot, but  with the X1C not having a NIC we are going to have an issue. I can deploy an image Via USB, but I will not have network connectivity unit the builds it complete and I start using a usb docking station.  Very messy for the guys how will be doing the builds.   Is there a USB NIC available that support PXE booting?  or does anyone have any less messy ideas on implementation. We are looking at getting 200 units so  I need as little pain as possible.. 













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A:X1 Carbon - PXE Boot

Yes there is a USB ethernet dongle that supports PXE booting.
The Lenovo part number is 0A36322.

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RELEVANCY SCORE 43.6

I have an X1 Carbon 20A7 that is 5 months out of warrenty and that will not start, most of the time. When I push the power button the button blinks 4 times, the fan kicks on for a split second, and the keyboard backlight and multifunction keys flash on once. After pushing the button multiple times (there isn't a magic number of times but generally it's 10-15 times) it will kick on. Once it is on there doesn't not appear to be any issues. It will even sleep and come back on without a fush. If you try to restart it however it will simply shutdown and not reboot. My gut says it is the system board but I'm hoping I'm wrong.

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RELEVANCY SCORE 43.6

I have an X1 Carbon 20A7 that is 5 months out of warrenty and that will not start, most of the time. When I push the power button the button blinks 4 times, the fan kicks on for a split second, and the keyboard backlight and multifunction keys flash on once. After pushing the button multiple times (there isn't a magic number of times but generally it's 10-15 times) it will kick on. Once it is on there doesn't not appear to be any issues. It will even sleep and come back on without a fush. If you try to restart it however it will simply shutdown and not reboot. My gut says it is the system board but I'm hoping I'm wrong.

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RELEVANCY SCORE 43.6

Is it possible? I have successfully booted from a USB Thumbdrive.  When I put the same image onto an SD Card & boot up, the SD Card does not appear and the bootable devices list. Sean













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A:X1 Carbon: Boot from SD Card

this is not possible.

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RELEVANCY SCORE 43.6

Just created a recovery drive on a dual tip USB 3.1 and Type C thumb drive on my x1 Carbon Gen 5.  It will boot the recovery drive from  the 3.1 slot but not the Type C slot. It is not recognized on boot up from the Type C tip.  Is this by design?  If so it is a design shortcoming.  Can it be fixed with future firmwhare or is a circuity thing?   

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RELEVANCY SCORE 43.6

The power on button shows green light- Keyboard lit as well as the row with PF keys. LCD is black. I can adjust the keyboard light. I have removed both the built in battery as well as the cell coin battery and put them back. No difference.

A:X1 Carbon 2 gen - 20A7 - Don't boot

You already did what I would suuggest, except that I would press the power button a couple of times with the main and coin-cell batteries disconnected and I would wait 15 seconds before plugging them back in.  Other than that, it sounds like a more serious (motherboard) issue.  Some of the 20A7 machines are still under warranty.  Did you check?

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RELEVANCY SCORE 43.6

The correct USB device is displayed as a boot option, but when I select it, the screen goes blank for a brief second and then comes right back to the 'choose boot device' menu. I also double-checked the BIOS to make sure it wasn't in the exclusion list. It is not excluded. I have used this same exact USB on other machines and have been able to boot to the live OS from it just fine. For whatever reason it won't boot on my Carbon X1.  Any ideas on how I might resolve this? thanks in advance!

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RELEVANCY SCORE 43.6

Hi: I got a bootup problem on my X1 Carbon 4, with Windows 10. After I press the power button, the Lenovo Logo show up, then the light of F1, F4 and CapsLock turn on, and then frozen with black screen.  The only solution is press the power button 4 seconds to force shut down, and then power on agian.The notebook always can boot up at  the 2nd time, and never happen during restart. This problem happen only if I shutdown at night, and during the first time boot up at next morning. I already try to turn off the secure boot, but it doesn't help. Does anyone has the similar issue? Thanks.

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RELEVANCY SCORE 43.6

The power on button shows green light- Keyboard lit as well as the row with PF keys. LCD is black. I can adjust the keyboard light. I have removed both the built in battery as well as the cell coin battery and put them back. No difference.

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RELEVANCY SCORE 43.6

If I shut down the machine via the start menu while unplugged and than try to turn it back on again I can't. It seems like there is no power to the board while the machine is off. Anyone else having this problem?

A:X1 Carbon Won't Boot without AC Cord

I seemed to have fixed it the old fashion way... I opened the unit and unplugged the battery than held down the power button for 30 seconds. After plugging everything back in the unit seems to be fine. 

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RELEVANCY SCORE 42.8

Hi - we have the X1 Carbon 6th Gen systems (20KG, 20KH) with the latest BIOS version 1.13 manually installed. On first reboot after imaging with Win10 the process stops at the message "Boot Manager recovered from an error; Boot Manager has restored Boot Priority from default configuration; Press ESC to continue or F1 to enter Setup."When pressing ESC the PC boots right into our Win10 image.  Have tried rolling back the BIOS verson to 1.12, same results.  Then changed the Boot Order Lock from "Disabled" to "Enabled" in the Startup section of the BIOS and had sucess without the error.  My question is: Since all of our other Levovo systems image fine with the Boot Order Lock set to "Disabled", what may be different in the X1 Carbon 6th Gen for this behavior to be different? 

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RELEVANCY SCORE 42.8

Hi,I am dual booting Windows 10 and Ubuntu 17.04 on an X1 Carbon by using efibootmgr from within Ubuntu to update the EFI boot list. i.e. I am using the Boot Menu firmware of the Thinkpad (accessed by hitting F12 at boot) as my Boot Manager. This is working well, but I would like to have the option to drop into an EFI Shell in case something goes wrong. Most online instructions describe running EFI Shell from a USB drive, but I can't see any reason why it couldn't be loaded from my HDD ESP like any other .EFI file. However  on my Thinkpad, if I do either of the following, when selecting the appropriate option in the F12 boot menu, I simply get a flash of black screen, and returned to the boot menu. - copy the Shell_Full.efi binary (obtained from here) to \EFI\shell\shellx64.efi and create appropriate boot entry using efibootmgr in linux (specifically: sudo efibootmgr -c -d /dev/nvme0n1 -p 1 -L "UEFI shellx64.efi in shell" -l "\EFI\shell\shellx64.efi")OR- format a USB as fat32, flag partition ESP and Boot, make directory EFI\BOOT and copy same binary there as bootx64.efi Both of these should work - in particular the USB approach. The fact that neither does makes me wonder if the X1 Firmware has some objection to the EFI Shell, or if I am missing a step. Anyone out there tried this or could suggest how to troubleshoot?

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RELEVANCY SCORE 42.8

My trusted X1 Carbon (2012) has died.Power socket has a solid green light.Fingerprint reader blinks green and then 3 orange when I drag my finger over it.Everything else appears dead.I've? tried the paperclip.I've tried disconnecting the battery and CMOS and holding the power button for 30 seconds.No luck.What should I do next?Thanks for any help.

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RELEVANCY SCORE 42.8

I cannot get my X1 Carbon to boot it's baffling me.  I have three motherboards I can try the same thing with. I am almost certain is has to do with the CMOS battery.  Symptoms:- Laptop Flashes Three Lights on Logo (Unless I unplug/replug the CMOS battery)- If I unplug/plugin the CMOS, I can get the keyboard to light up then it shuts off.- The fan does not spin because it does not startup.- I used to get a 3 error beep code on one motherboard, however this had to do with the screen which I replaced and it fixed the beep.- I  get no error beep codes. Tried:- Pressing the CMOS reset button doesn't seem to do anything (Top right, very small near hinge)- Unplugging the CMOS battery, Putting the AC in, and Pressing power lights up the keyboard for a moment. Replugging the CMOS battery back in seems to disable everything.- Pressing the Reset (Mid-left) usually where a pin goes.- Flushing out static with battery/adapter removed by holding power.- Switching the battery to ac, both, and none with everything above.- Tried with some components unplugged, it doesn't matter -- none of them nor all of them unplugged do anything. I have search many places and I have never had this happen, it can't be possible that I have three bad motherboards. In fact, two of them were factory tested as working. Could it be my power switch? If it was, why would I get the red flashing lights? Does anyone have any idea what I should try?

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RELEVANCY SCORE 42.8

I cannot get my X1 Carbon to boot it's baffling me.  I have three motherboards I can try the same thing with. I am almost certain is has to do with the CMOS battery.  Symptoms:- Laptop Flashes Three Lights on Logo (Unless I unplug/replug the CMOS battery)- If I unplug/plugin the CMOS, I can get the keyboard to light up then it shuts off.- The fan does not spin because it does not startup.- I used to get a 3 error beep code on one motherboard, however this had to do with the screen which I replaced and it fixed the beep.- I  get no error beep codes. Tried:- Pressing the CMOS reset button doesn't seem to do anything (Top right, very small near hinge)- Unplugging the CMOS battery, Putting the AC in, and Pressing power lights up the keyboard for a moment. Replugging the CMOS battery back in seems to disable everything.- Pressing the Reset (Mid-left) usually where a pin goes.- Flushing out static with battery/adapter removed by holding power.- Switching the battery to ac, both, and none with everything above.- Tried with some components unplugged, it doesn't matter -- none of them nor all of them unplugged do anything. I have search many places and I have never had this happen, it can't be possible that I have three bad motherboards. In fact, two of them were factory tested as working. Could it be my power switch? If it was, why would I get the red flashing lights? Does anyone have any idea what I should try?

A:X1 Carbon 3rd Will Not Boot - I have 3 motherboards & None Work?

When you unplugged the CMOS battery, did you also disconnect the main battery?  A shorted screen can cause the symptoms.  I would believe a bad screen before 3 bad motherboards.

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RELEVANCY SCORE 42.8

Hi, Just one year and having so many issues. I put it to sleep, wasn't turning back on so turned off via power button. But now when I press power button, keyboard backlight comes on and goes off. The power button light stays on though. No fan or any other noise.. just power button light stays on. Hole reset didn't do anything nor did AC plug. Guessing have to send in for motherboard fix? Unless any of you great folks can advise further. ( My concern is I have an encrypted 512gb pci e SSD. I don't want to send it away. Will I be able to keep it and will it get replaced if board change is required? TPM chip will change with board change, right? Many many thanks.

A:X1 Carbon 3rd gen won't boot. Motherboard issue?

Easy question first - TPM chip is part of the motherboard.  How is it encrypted?  Hardware?  Bitlocker?  ATA password?
 
Sounds like you need servicce. You can pull out the drive before sending it in for service or you can check the box not to re-image.

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RELEVANCY SCORE 42.8

It has been about 5 days, It worked fine.But it is now unable to boot.I have no idea what happened, it just doesn't work. https://www.youtube.com/watch?v=ANepugwwBto as you can see in the video when I turn it on, fan and keyboard backlight is on for about 1 second and It just reboots.  The real problem is, that I bought this from us official store.But I live in Korea, And even though there is IWS, they say they won't repair this because I bought it from us "online" store.seriously? Can you help me with this? I want to know the exact policy , I can send it back to us for repair, but It takes so much time, money(I might have to pay the import tax three times!!)  

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RELEVANCY SCORE 42.8

It has been about 5 days, It worked fine.But it is now unable to boot.I have no idea what happened, it just doesn't work. https://www.youtube.com/watch?v=ANepugwwBto as you can see in the video when I turn it on, fan and keyboard backlight is on for about 1 second and It just reboots.  The real problem is, that I bought this from us official store.But I live in Korea, And even though there is IWS, they say they won't repair this because I bought it from us "online" store.seriously? Can you help me with this? I want to know the exact policy , I can send it back to us for repair, but It takes so much time, money(I might have to pay the import tax three times!!)  

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RELEVANCY SCORE 42.8

Hi everyone,I am a new user of thinkpad. I got my X1 carbon 4th at the end of 2016 and it works perfect. But this morning, it doesn't boot up suddenly. After clicking reset hole on the back of laptop, it turns on. However, the problem is I need to reset everytime I want to start it and this is really annoying. Besides, it can start smoothly right after shutting down, but it doesn't work if the interval goes longer.Dose anyone have the same experience or have any suggestion?This is my only laptop and I could hardly work without it. So upset and frustrated.Thanks for any reply!!

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