Lenovo X Series ThinkPad :: X120e - Horizontal Screen Flicker
Feb 6, 2014
My x120e has been giving me grief recently. It started when, upon awaking the computer, my screen would be very distorted. It was mostly horizontal and was different from the known horizontal screen flicker issue. It would take up large parts of the screen, but no more than half. Now get this, the distortion changed totally depending on what was on the screen. I could even get it to go away completely if I just opened the start menu (with my task bar on the left side of the screen). Typically a restart would alleviate the issue.
I would get a screencap for you guys, but last night I shut down the laptop to 'fix' the issue and the screen never came back on. I can still use an external monitor so I'm not thinking this is a graphics card problem, or at least not entirely.
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Oct 19, 2012
My x120e has been getting hot ever since I've got it.
Not doing much of anything, it'll be 75-80 degrees C. Full load, 95-99 C.
I've tried replacing the thermal compound, replacing the heatsink, the cpu is undervolted. It still runs quite hot. As I write this, the computer is 97% idle and still at 77 degrees C. It's sitting on a hardwood floor, so the vents on the bottom that I just blew out are clear.
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May 17, 2014
I have an x120e that's a few years old, works fine but is slow as mollasses. I want to do a fresh install of the OS, and want to do it in a way that brings the fewest headaches. I see there is a recovery partition but what that is for. I have googled this and seen suggestions but those ways seem to eliminate the built-in Lenovo functionality like the f keys and such.
Any easiest way to reinstall to speed up the machine without having to track down drivers and Lenovo-specific add-ons?
Love this machine, by the way.
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Mar 19, 2011
I ordered my laptop from cdw (will post link when cdw gets finished with their downtime).
On the one I ordered, it said that bluetooth was included. As a general rule I always re-install windows after I get it, and did the same this time because I had a spare copy of windows 7 ultimate. I re-installed all the levono tools and drivers as normal, but when I got to the bluetooth one it said that my laptop did not have bluetooth. So I opened up the computer just enough to verify that the bluetooth daughter card IS there. So whats going on?
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Mar 11, 2012
I'm contemplating upgrading from my Samsung 830 128gb to a Samsung 840 EVO 250gb, on my trusted x120e. The EVO has Full Disk Encryption (FDE) and I am curious to know if:
1. Turning on the FDE is done through the BIOS?
2. Do I need to enter the FDE password each time I reboot (like I have to with the hardware passwds?)
3. Is there a performance penalty (finite but negligible perhaps) for turning on the FDE?
4. Is the FDE significantly greater protection (in a practical sense) than just the (non-encrypting) hardware passwd (which nonetheless is quite effective in that the disk isn't recognized at all if used in another pc)?
5. My X120e is an AMD machine and the Samsung Magician software (most recent versions) works only for Intel machines. If the FDE is controlled through that sw, then I have a problem.
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May 15, 2014
Recently, my x120e began blue-screening (with error code c000021a) while Windows was starting up. However, if the computer was off for a period of time, usually about 5-10 minutes minimum, it would start up with no problems. I thought it might be overheating except for two things:
1) Once windows started up, I had no issues. No matter how much processing power I was using, it didn't bluescreen or even try to turn itself off
2) When I rebooted in safe mode and looked at what modules it was loading, it always failed after the same one (CLASSPNP.SYS)
I had heard that there were occasionally some significant driver issues with my hardware, so I did a clean re-install of Windows (Win 7 Pro, 64-bit), hoping that this would rule that out.
The issue persisted, and in fact would interfere with a Windows install disk booting into the installer. After I got the installation to complete, the previous issue continued to be present.
I did some Google searching and found that the BSOD error code c000021a is generally caused by a driver or security issue, and the usual solutions suggested are to try to use the "Last Known Good Configuration Option" for windows startup, and to update drivers. However, neither of these things have worked, as it still does this on a fresh Windows install.
I also tried running without the battery (AC power only) and without the AC power (battery only), and neither has fixed the issue.
(Side note: This was originally happening with the original 320GB hard disk that came in the machine. I was going to upgrade to an SSD anyway, and this problem has persisted with the new drive).
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Mar 29, 2011
I just got the x120e and I already went through and fixed it auto-brightening itself. After I hit the Fn + Home and adjusted it to my preference. It was not on the charger when I did that and I was in a darker room so I had the brightness down lower. Later on in the day, I plugged it in to charge and I went to make it brighter. The brightness is not changing however. All the oher Fn + F keys are working. Just not the two for brightness. The weird thing is, I shut the computer, waited for it to enter sleep mode then opened it up again and it was really bright and I had to pretty much squint, but again the keys were not working to lower it. I closed it again and opened it and it is again dimmer. The keys still aren't working.
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Aug 30, 2011
I just upgraded my x120e to windows 8. i can't open my bluetooth, i have already tried FN+ F5. Nothing happend. bluetooth is important for me.
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Jan 24, 2011
I have an X120e running Windows 8.1 Pro x64.I just upgraded the unit to 4GB of ram (2x2) from 2GB (1x2). Whenever the upper DIMM slot is used, the system will not leave standby mode, and all power, including the battery has to be removed from the system for it to operate normally again.
Of interest, all of the ram tested good with Memtest86+ if it matters the system has the e350 CPU, and a 320GB HDD.
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Jan 25, 2014
I have a fairly new y510p (about 2 months old), haswell processor intel HD4600 onboard and GT750M (non SLI model).
When connecting latop to external monitor via VGA connection, I can see the image but it looks terrible, horizontal blue lines and flickering. I don't have any option to change the refresh rate, since Windows 8.1 identifies monitor as being 60mhz (other sources work fine on that frequency).
I've tried 2 different LCD monitors, 2 different VGA cables and get same result.
Have latest drivers.
HDMI output works fine. Yet not uncommon for me to need to give a presentation at a place with older equipment where I must connect via VGA.
Before I call support to take laptop in... any one else has encountered this problem?
Is there a way for me to force the GT750M to be used for external output? I have tried setting in NVidia control panel (default NVidia to maximum performace and Intel is still being used for projection output).
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Nov 30, 2014
As others with x230's have found, I have an issue with the screen fading/graying out then developing vertical lines over the entire screen. Pressing the screen bottom screen border resolves it for a split second then it occurs again, though resolves usually after pressing it at various points along the plastic lower edge maybe 3-6 times, sometimes with slight flickering of whites after. Runngin at 60hz. URL...
I bought it on ebay so don't have any warranty information, unfortunately.It appears to be the LCD connector or cable.Is it possible to open it up and fix that somehow, or should I buy an IPS screen (the current screen isn't IPS I believe) and replace it myself?
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Feb 12, 2014
I use the latest Energy Management and the latest graphics driver, as well as the latest BIOS version, but the flickering issue persists.
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Apr 18, 2014
I don't think this is the same screen flicker that is experienced by the few others due to auto brightness problems...
It's flickering black and then the whole thing turns unresponsive after a while...and although the video shows it happening during a low light environment, i have had this encounter during a brightly lit area as well...
[URL] ....
I've posted a copy of what really happens on google drive. Is this a case of motherboard problems? I jsut got my laptop about 3 weeks ago. Any chance for a 1-1 exchange?
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Apr 13, 2010
There is a very thin, almost transparent, horizontal line accross the bottom of the screen of T400. Product is 7417CTO, Windows Vista Home Basic OS.
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Jul 11, 2014
Some days ago, i bought thinkpad x40 and upgrade OS to win 8. But, touch screen isn't working.
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Apr 17, 2010
What type of screen is in a W530?
I have an FHD (I think) but when it comes to calibration I have the following options
CCFL
Wide gaumet CCFL
White LED
Red LED
OLED
Plasma
RG Phosphor
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Aug 18, 2014
I've got a problem. I have an HP monitor with a VGA output, and a TV with HDMI.
They both work, but not at the same time. I can use one, or the other, but together? Nada. I want to extend my screen to the monitor, and then the TV.
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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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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: 6.1.7601.2.1.0.256.48
Locale ID: 1061
Additional information about the problem:
BCCode: deaddead
BCP1: 000000000F010012
BCP2: 000000000023002C
BCP3: 0000000012BC0000
[Code] .....
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Feb 8, 2015
I have a W540 with 3K Ips panel and Windows 7 Pro 64bit.
I recently installed a new hard drive and installed windows 7 pro 64 (previously on the other hard drive was Windows 8.1 Pro 64 bit ( there I could change the brightness ) )
My problem is that I can not change the brightness .
I've already tried:
-Reinstalled all NVIDIA driver
-Reinstalled all Intel graphic drivers new
-Reinstalled Intel and Nvidia drivers simultaneously
-Remove Lenovo Power management
-Tried to install NVIDIA driver from the Lenovo and the Nvidia page
-Reinstalled Windows
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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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Feb 5, 2015
I followed all steps here----> [URL] .... and still getting black screen after all. What should i do next...
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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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Dec 11, 2012
My W530 laptop is new. I finally got it all loaded up and ready to work with and then I started to get screen flickering issues. The screen will flicker all different colors and then it will restart the computer. The computer will start up and act normal. I have video of the issue.
The audio in the video is not from the computer. [URL] ....
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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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Dec 7, 2012
Btw my mobo,cpu,memory i believe were all replaced last time i took it in with this issue... Still getting it consistently:
Random Black Screens and Random Sleeping: [URL] ...
Black Screen: [URL] ...
I thought before maybe its Bluetooth related as sometimes when screen would turn black and then come back, I would get a 'Bluetooth Device Not Discoverable'. So turned off Bluetooth in the BIOS, but still having display/sleep issues.
I removed hte Lenovo Power Manager/PM Driver, and turned off sleeping in the Windows power settings (in every setting including if Low Battery Action).
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Jul 11, 2014
I just got a thinkpad yoga and I have noticed since I started using it that the screen randomly flickers. I can't narrow it down to a time where I'm doing a specific task.
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Dec 28, 2014
I have a w520 that is out of warranty. From time to time, the screen just turns off while I'm using it (no, not a dimming/screen off during idle isse). Everything else works perfectly though. I have to shake the laptop (lol, seriously...) and the screen comes back on! It's been getting more and more frequent. What gives? Is this a known issue? Is there some loose connection somewhere inside? What should I check?
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Sep 25, 2011
Yesterday I have noticed a problem with the display in my X220 (type 4290-W1B). There is a small, white spot (about 1 mm diameter), clearly visible on the screen. It doesn't look like a normal bad pixel, but like a problem with the background light, or something. It is not visible when black color is displayed. The laptop was bought about 3 months ago and everything was OK until yesterday.
I have attached some pictures of this dot, but it is difficult to capture it with the camera (it is much more visible in real). I have marked the spot (it is in the middle of the circle). The pics are in high resolution so you can zoom in.
What should I do now? I have heard , that the Lenovo bad pixel policy is 3 bad pixel per display...
Pictures: [URL] .....
X220 i5-2520M IPS + Intel 310 mSATA SSD
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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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