Lenovo X Series ThinkPad :: X1 Carbon Startup Blank Screen And No Activities After BIOS ACHI To Compatibility

Feb 12, 2014

I have a X1 Carbon 3443CTO and it's running fine.Last night everything was ok and I went into the BIOS and changed AHCI to compatibility (don't ask me why, I was doing some testing), then I went "Exit and Save Changes" (at the last page of BIOS). As soon as I press Enter the screen freezed there (as opposed to reboot)Since it hangs there I hold the power button and it shutdown.Then I power it up again, but now, here is the problem:

1) The computer turns ON, keyboard backlight flash on for a second (normal)
2) Screen stays blank (no, it's not the backlight faulty)
3) power light turns ON (normal)
4) no sign of activities pressing any buttons, no beep sound

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Lenovo Y50-70 P/Y/Z Series :: Blank Screen On Startup

Jan 7, 2015

I just bought a Lenovo Y50-70, with no operating system. Problem is, I'm not able to enter the UEFI or start the installation media in any way. I'm just presented with a black screen, whatever I do (tried every key while powering on: novo button, F2, DEL, F12, ecc...). A

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Lenovo X Series ThinkPad :: X1 Carbon 20A7 Access To BIOS?

May 10, 2014

How does one reach the bios on a 2014 X1 Carbon? I've tried pressing F1 on the adaptive keyboard strip during boot, to no avail. Before the logo, during the logo, etc.

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Lenovo X Series ThinkPad :: X1 Carbon Stuck On Splash Screen

Oct 27, 2014

I bought a new X1 Carbon (20A7) a week ago and from time to time the laptop gets stuck on the ThinkPad splash screen when booting. I have to hold the power button to turn it off and then it boots fine. My brother has this problem with T540p, although this happens to him a LOT more often (also, if he waits patiently for 10-20 minutes, the system boots eventually, I havent tried that on my X1).

It doesn't matter if the AC is connected, whether there is something connected to USB ports, whether it was a restart or just normal boot, there is no pattern that I can see, this seems random. We tried updating the BIOS to the newest version, our USB ports are not bent or anything, the SSD with the OS is set as the first boot device. This still happens. I see there are more people with thinkpads who have the similar problem, but their solutions do not apply (if there were any).

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Lenovo X Series ThinkPad :: X1 Carbon Crashed With Blue Screen

Jan 16, 2015

I bought the X1 Carbon (type 3460xxxx) two months ago and it crashed with blue screen 10 times already...
Error details:
Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.
Locale ID: 1061

Additional information about the problem:
BCCode: deaddead
BCP1: 000000000F010012
BCP2: 000000000023002C
BCP3: 0000000012BC0000

[Code] .....

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Lenovo X1 Carbon X Series ThinkPad :: 2014 Screen Flickering?

Jul 3, 2014

This Lenovo X1 Carbon (2014) screen starts randomly flickering when traveling in trains and running on battery. We already ran all system updates and it happens less often, know but it happens. Here is a video of how  it looks like: [URL]

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Lenovo X Series ThinkPad :: 2014 - X1 Carbon Flickering Screen

May 25, 2014

Just received my new X1 model#  20a70037-US last week and right out of the box the screen was already flickering. When the laptop is booting up in the POST screen you see a bunch of little white dots all over and as soon as you get to the windows login screen the flickering begins. Just like on this video I found online [URL] ....
I uninstalled the Intel drivers and now it's flickers less and the laptop is somewhat usable. I should be receiving my replacement unit this week, can't wait to have this laptop working 100%.

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Lenovo X Series ThinkPad :: X1 Carbon - Adaptive Keyboard And Hi DPI Screen

Mar 17, 2014

How well the X1 Carbon keyboard and screen have been for using it for software development.
I use Visual Studio and Remote Desktop quite a bit and have some concerns regarding the screen and keyboard.   I don't want to get a Hi DPI screen and have to workaround the limitations of the OS.   Are there issues with the RDP client and the Hi DPI screen?
How has the keyboard been for someone who uses the function keys 10% of the time?  I usually rely on memory to know where to press the F3, F5 keys.  I'm concerned it will be hard to find the right location without physical keys.

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Lenovo X Series ThinkPad :: X1 Carbon - Screen Automatically Dimmed At Dark Background

May 15, 2014

When I watch a video clip, I experienced my X1 screen automatically got dimm when background gets dark. So it became even more darker and I cannot see anything. But it gets back to bright when background gets light.

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Lenovo X1 Carbon X Series ThinkPad :: Brand New Touch Blue Screen After Sleep?

May 3, 2013

I just got my new carbon touch thinkpad today, and I couldn't be happier, until I closed the lid and reopened it a couple of minutes later. The screen froze for a while and then I got a BSOD with the notice CRITICAL_PROCESS_DIED. I hoped it would be just some coincidence, and updating my drivers and installing windows updates would solve it. So I did, and closed the lid again. After reopening it, I got the same error. So I figured I could just as well restore to my factory settings. Without luck. After updating everything for a second time, still no luck. I check the disk and did a memory check, but everything seems fine. The lenovo Solution center isn't reporting any issues either. I looked into the minidump created by the blue screen, and it seemed the process failing is called csrss.exe.

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Lenovo X Series ThinkPad :: X1 Carbon Won't Boot After Windows Update - Black Screen With Blinking Underscore

Nov 4, 2014

It's been a yeah that i work on this X1 Carbon laptop and no default. I got a windows update yesterday, i did it and my computer powered off naturally. This morning, i cant start it, It boot well, Lenovo sign appear but nothing after. only black screen with blinking underscore.

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Lenovo ThinkPad W Series :: W540 Dock Compatibility?

Oct 7, 2009

We have three dock posibilities:

- basic dock
- pro dock
- ultra dock
They differentiate by the number of ports and by the power adapter supplied with them. I had an opurtunity to try my W540 on pro dock, which normally has 65W or 90W power adapter. The computer warned me about insufficient power, and did not charge on dock, everything else worked fine. The I disconnected 90W and connected my original 170W power supply to the doc. Everything is working normally since.
So, my question is: Since I don't need all the ports on the ultra dock, nor on the pro dock. Would basic dock work with W540 and 170W power adapter too?

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Lenovo X Series ThinkPad :: SSD Optimizing In New X1 Carbon

Feb 17, 2014

What build in program in New X1 carbon is for optimizing (Maintainance) SSD? I believe the "defragment tool" provided in control panel is no use for optimizing the SSD?

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Lenovo X Series ThinkPad :: X1 Carbon Not Responding

Feb 23, 2014

I have a 3 month old  X1 Carbon. Last night i turned it off and suddenly today morning, I find that the device is not powering on. What's the deal? No response at all even after continuosly pressing the power button.

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Lenovo X1 Series ThinkPad :: Carbon Will Not Charge

Aug 27, 2013

My X1 is about 18 months old. It was fine until today. The battery was low, so I plugged it in. The little blue light where the power connects illuminated, however the battery indicater in Windows did not change to show "charging", and the battery continued to drain.
Over the next hour or so I tried many things like shutting down, waiting, new A/C outlet, new power settings, etc. Tried the little reset hole on the bottom of the laptop. Nothing mattered... the little blue light is on, but the battery just drains.
Eventually, the battery drained and the X1 shut down. When I try to boot, I get a pre-boot message about a critical low power error, even plugged in, so my laptop is now a brick.This is a 3448-34U Thinkpad Carbon X1.

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Lenovo X Series ThinkPad :: Can Use Old AC Adapter With New X1 Carbon?

Dec 21, 2013

I have an AC adapter left over from my first generation X1 Carbon. It is 90W/20V. The adapter that came with the new machine is quite a bit smaller, and only 65W/20V. Can I use the 90 watt adapter with the new model X1, or will it damage it somehow? Dont want to ruin my brand new computer.

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Lenovo X Series ThinkPad :: X1 Carbon Memory Cannot Be Recognized

Nov 9, 2014

I have newly bought a x1 carbon with 8g memory and i7 4660u, system win7 4 bites, the model is 20A7 CTO1WW, I didn't choose the high resolution screen because I think it is not neccessary.

But the usable momery is only 3.08gb, i am very confused and don't know what is the problem. Is it because the mainboard doesn't support 8g memory?

Here is the picture of system information.
But the usable momery is only 3.08gb... Is it because the mainboard doesn't support 8g memory?

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Lenovo X Series ThinkPad :: Light Not Working On X1 Carbon LCD

Apr 3, 2014

I currently have an issue with my original X1 Carbon (2012, 3443-CTU) light not working on the LCD.  I attached an external monitor to the laptop and it works without issues so it's not the motherboard. Under the right lighting conditions and angle, i can see very very faintly my desktop background. 

This leads me to believe that the screen inverter is damaged, or the lcd. Since my ultrabook isn't under warranty, i believe the best course of action is to find the screen on ebay and replace it. [URL] ....

Is replacing the LCD as easy as it sounds? It looks like i need to remove much of the parts underneath the keyboard panel, and remove the LCD bezel and replace the screen. Is there something i'm missing? 

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Lenovo X1 Series ThinkPad :: Carbon Adaptive Keyboard

Jan 27, 2012

Just got my new x1 carbon, and I like it alot, trackpad isn't as bad as everyone is complaining about. However one big issue is that I want to keep the Function row on by default, and only switch to the default one with volume controls if I press the FN button to do so. Right now no matter even if I chose not to show the default keys, with volume and cloud and all that, it still comes back anytime I switch to a different app. 

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Lenovo X Series ThinkPad :: Use 65W Yoga Charger For X1 Carbon?

Feb 11, 2015

The label on the charger says:
MODEL 45N0261
FRU P/N 45N0262
Lenovo P/N 36200253  
It was advertised as X1 charger, but when it arrived I thought it's too small in size, so I googled it. Having done that, I've realised it's actually being sold by Lenovo as a charger for Yoga. 
Am I safe to use this charger for my ThinkPad X1 Carbon (3460-CLG)?

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Lenovo X Series ThinkPad :: X1 Carbon Won't Switch From AC To Battery

Nov 27, 2013

Bought a unit with this problem: As soon as I unplug the AC Cord from the laptop, it power off without notice and can't power up the laptop. It seems like the battery is not giving power .When I plug back in the AC, I can press the power button.
One strange thing is that the battery is 100%, state : good. Tried the reset battery so now 3 cycle counts. The thing is that if I unplug the AC cord only from the power outlet to the ac adaptor then the power is still up, the brightness goes down a bit and then power off without notice.
- the battery pack switch
- removed battery backup
- removed and reset the battery pack
I'm out of options and I would be glad if I can find what cause that "unswitchable thing".

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Lenovo X Series ThinkPad :: X1 Carbon Turns Off When Charging

Nov 24, 2013

When I plug in the AC adapter, my x1 shuts off right away. I have to reset the time in the bios to get it to work again. This happened right after I changed the keyboard. Now, it seems to be permanent issue. I thought it was an adapter issue but I have two adapters and both work fine.

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Lenovo X1 Carbon X Series ThinkPad :: Plugged In Not Charging?

Dec 17, 2012

Have a brand new X1 Carbon running windows 7.  It originally came with Windows 8 but had to downgrade to run a necessary work application (which could be the problem).  My battery never exceeds 50% even when plugged in for extended periods.  Also, I am not seeing any of the "Rapid Charge" that was promoted. 

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Lenovo X Series ThinkPad :: Missing Driver For X1 Carbon

Apr 22, 2014

I recently put Windows 7 64 bit Enterprise on a brand new X1 Carbon Model 20A7-CTO1WW and I have a missing unknown device in device manager and when I searched for it I came across nothing for the X1 Carbon I found posts on here for X240. The little research I did I did see someone mentioned it could be the fingerprint scanner. Tried that and it did not work. Also Ran system update and that did not work.... 
Here is the hardware ID : USBVID_138A&PID_0017&REV_0078

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Lenovo X Series ThinkPad :: Install Windows 8 From USB On X1 Carbon

Sep 25, 2014

I am trying to install windows 8 from the 3 disks that came with the X1 Carbon. There is no DVD drive and we have no external disk drive, so I need to create a bootable USB for this. The laptop came with windows 7 on it.
It is easy to use DISKPART to ready the USB as a bootable device, but how to I take the data from the 3 DVDs and put it onto the USB so that it works? The first one only has drivers but the OS install is split onto two disks. I referred to a KB article but it was talking about autorun files that are not present on these DVDs.
The DVDs I have are labeled as

(1) Applications and Drivers Recovery Disk,
(2) OS Recovery Disk Windows 8 Pro [Disk 1 of 2], and (2) OS Recovery Disk Windows 8 Pro [Disk 2 of 2].

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Lenovo X Series ThinkPad :: Where Is Printscreen Button On X1 Carbon

Mar 8, 2014

where is the printscreen button on the X1 carbon ? Where is the insert botton ?
The keyboard of the X1 Carbon is non standard compliant. The person who took keyboard classes and efficient at typing becomes inhibited with these changes The End botton is close to the A key which is usually the spot for the Caps Lock

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Lenovo X Series ThinkPad :: X1 Carbon Keep Dropping WiFi

Apr 25, 2014

My ThinkPad X1 Carbon keep dropping the WiFi randomly. I have another computer, HP. This kind of situation never occur to my HP. So I am sure this problem does not relate to my router. 

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Lenovo X Series ThinkPad :: X1 Carbon Doesn't Turn Off

Feb 9, 2015

I recently purchased a Lenovo X1 carbon, the weird thing is that the computer functions correctly when the power cord is plugged but when the power cord is unplugged the computer DOES NOT turn off no matter what you do. It restarts all the time. If you plug the power cord you can turn off your computer, but when you unplug it it starts working immediately?

In any case pushed the reset button on the back of the laptop but it didn't worked.

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Lenovo X Series ThinkPad :: X1 Carbon Running Slow

Apr 25, 2014

My X1 Carbon started running super slow since last week. The disk C: shows I still have 49.2 GB free space to use. So I think the problem does not relate to the space size. I am wondering if there is any way to clear something in my computer and make it run as fast as before.

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Lenovo X Series ThinkPad :: Bitlocker EDrive On New X1 Carbon?

Jan 26, 2014

I recently received X240 and new X1 Carbon (Gen2) laptops with the 256GB eDrive and am working to set up Bitlocker using Windows 8.1.
On the X240, I followed the steps in another posting here and successfully got hardware AES working (by manually installing chipset on newly installed OS, then installed everything except RST and Bitlocker worked with the eDrive).
Following the same process on the new X1 Carbon, however, I only am able to use software encryption and can't figure out what to do to use the eDrive feature.
Is there a process to follow on the new X1 Carbon Gen 2?

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