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X240: CPU stuck at 0.77GHz

Q: X240: CPU stuck at 0.77GHz

My cpu speed is stuck at 0.77GHz when it supposed to be 1.9GHz ~ 2.49GHz

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RELEVANCY SCORE 200
Preferred Solution: X240: CPU stuck at 0.77GHz

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RELEVANCY SCORE 71.2

My processor is stuck at 0.77ghz It's already in performance modeThe laptop doesn't seem to have any problems with heatAlso I've tried removing the battery for hours  how do I fix this?? 

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RELEVANCY SCORE 70.4

Hello, I have an issue with my g510 20238CPU i7-4700MQ is stuck at 0.77GHz when notebook is charging. This is not a floating bug. It reprodeces every time.I have Win10 and latest bios - 79CN50WW(v3.09)The behavior was the same for bios v3.07I saw thear about same issue for z510, but there is 41 pages and resolution is unclear.I have checked cpuid report txt, but for me memory value is the same when throttled and when not:MSR 0x00000199 0x00000000 0x00001800Can somebody tell me the solution? Thank you.

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RELEVANCY SCORE 70.4

EDIT NOTE : This post was move to the top of the page to assist Lenovo with an escalation. For all future post and comments, please continue posting in this thread. i have this issue too, but when i changed the option "intel virtual technology" to enabled in the bios configuration section, my laptop started at 3.2 ghz on battery, then i changed the power option from "high performance" to "power saving" mode, it was redused to 0.77, then i changed back to performance mode,it speeded up till max. it seamed problem was solved.  i am not sure what intel virtual technology is doing or related to this issue, but it's worked for me. i hope this helps. meh, after 3 restarts it's stuck at 0.77 again, i think we definetly need a bios update. Edit- After a quick search, i ve found that "intel virtual technology" doesn't related to this issue, and it' NOT THE SOLUTION.  problem still exists. Also, just fyi, some other brands of devices faced this issue over the inernet and all solved by bios update or board replacement.    EDIT NOTE : This post was move to the top of the page to assist Lenovo with an escalation. For all future post and comments, please continue posting in this thread.  











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A:Re: Lenovo Z510 CPU stuck at 0.77GHz

Hi! The CPU (i3-4000M) in my Z510 sometimes stuck at 0.77GHz. It doesn't matter if I set the performance to maximum in Windows and in Lenovo Energy Manager. It usually happens when the notebook is unplugged from AC but sometimes it happens on AC too. And also it doesn't matter if the computer is cold booted, restarted or waked up from sleep\hibernation. I have read about a lot of similar cases (just google on "stuck 0.77GHz").I'm using Windows 8.1 x64, the drivers ar up-to-date and all of the updates are installed. We are talking about a wold-wide problem since it is exists in other notebooks too. (e.g.: Asus) Is there any (un)known problem with the new Haswell processors\chipsets?What is the solution? 

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RELEVANCY SCORE 70.4

Hi there, I recently purchased a Thinkpad L450 and I'm pretty happy with it. What concerns me is that if I boot from battery my cpu clock speed is stuck at 0.77GHz. Plug and unplug the powercable solves this issue, but is not always an option. I have the latest BIOS update from 27.03.2015 and I always use the High-Performance-Mode (tried min: 100% cpu speed option too) Already read the regarding thread for the Z510: https://forums.lenovo.com/t5/Lenovo-P-Y-and-Z-series/Re-Lenovo-Z510-CPU-stuck-at-0-77GHz/td-p/147006... Are there any infos on this issue for the L450? EDIT: It seems that I cant reproduce the "plug, unplug fix" anymore. Cable in = up to 2.7GHz, Cable out: 0,77GHz which is pretty unacceptable. Regards,Christian

A:L450, CPU stuck on 0.77GHz on battery

Do you happen to have NVIDIA graphics in your L450?

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RELEVANCY SCORE 69.6

Alright so my laptop keeps getting it's processor clock speed stuck at 0.77 GHz even though the laptop is plugged in, and it's battery performance is set to high performance.  I've only noticed this problem in the last few weeks and I've tried everything to fix it.  I updated the BIOS to the newest version about a week ago and it seemed to have fixed it for one session but it reverts back to 0.77 GHz.  When my laptop isn't throttling my clock speed, it is at 3.3 GHz.

A:Processor stuck at 0.77GHz even though laptop is on high per...

Hi @SourPatchMan ,  Welcome to the HP Forums!It is a terrific place to find answers.For you to have the best experience in the HP forum I would like to direct your attention to the HP Forums Guide Learn How to Post and More  To assist you better I will need some more information. 1. What are you using to determine the clock speed? 2. What are you doing when you get these results? 3.  Would you double check the results using http://www.cpuid.com/ shows his clock speed and reply back.

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RELEVANCY SCORE 48.8

i m using a lenovo b50 core i3 1.77 ghz.... IS MY LAPTOP NOT COMPATIBLE TO RUN RSTUDIO.??...plz help...
 

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RELEVANCY SCORE 36.8

My brother got a X240 with a regular 1TB HDD, and I'm looking to help him with upgrading to an internal SSD for the OS/Apps. I first thought it just used a regular mSATA, but it apparently uses a new style called M.2.
 
Unfortunately I can't seem to find any info on what's supported, how large can they be, etc...
 
My local computer store has this for M.2 in 512gb size, would this fit in the X240?
 
http://www.canadacomputers.com/product_info.php?cPath=179_1229_1296&item_id=072253

A:X240 M.2 SSD

Howdy HiVolt,
 
I don't think that one will fit.  There are several different lengths of m.2 SSDs and the one in the X240 is 42mm.  The one you linked is longer than that.
 
Up until recently the highest capacity 42mm part was 128GB IIRC, but I think someone has come out with a 256GB 42mm unit.  [edit] I'm not able to verify that just now.  [more edit] Yes I am.  See post below.
 
Here's their compatibility list.  Please note I have no personal experience with this company.
 
http://www.mydigitaldiscount.com/m.2-ngff-ssd-compatibility-list.html
 
Z.

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RELEVANCY SCORE 36.8

Hello. Is it possible to use FDE in Lenovo X240 via any built in feature (in Bios or another brand software)?Does processor support the encryption directly?How safe is HDD password? Can I remove HDD and plug it in another pc and read sectors? 

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RELEVANCY SCORE 36.4

I would like to add NFC Module to my X240 20AL which originally does not have NFC on it.I found "04W3800 Foxconn 20792S NFC module without antenna" in the FRU list, but as it says, it is "without antenna". And I can't find any FRU for NFC antenna.Does this module needs an antenna to be purchased seperately. or it works fine if I just purchase the module 04W3800 and install it?

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RELEVANCY SCORE 36.4

Changed system board and during post get 3 beeps twice then 1 beep. Does anyone know what this means?

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RELEVANCY SCORE 36.4

Hi,I have the following problem. The 'Fn' key is not working. When I press 'Fn+Esc' to enable the FnLock, nothing happens. But when I switch the 'Fn' and 'CTRL' key in the BIOS, I can press 'Ctrl+Esc' to enable the lock (small green LED on the 'Fn' key is on). But then the 'CTRL' functionality (now on the 'Fn' key) is not working anymore. The shop where I ordered the Laptop already replaced the keyboard but this didn't help. Does anybody have the same problem and can help me? Thank you. Additional information:- I ordered the Laptop in Germany, but with an US keyboard layout (the Shop replaced the german keyboard with an english one)- I updated the BIOS when I received the Laptop (below the BIOS information): BIOS Information    Vendor: LENOVO    Version: GIET72WW (2.22 )    Release Date: 03/25/2014    Address: 0xE0000    Runtime Size: 128 kB    ROM Size: 16384 kB    Characteristics:        PCI is supported        PNP is supported        BIOS is upgradeable        BIOS shadowing is allowed        Boot from CD is supported        Selectable boot is supported        ACPI is supported        USB legacy is supported  ... Read more

A:X240 Fn-Key not responding

exact same problem here. waiting for an answer, because it kinda sucks.

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RELEVANCY SCORE 36.4

I'm looking for a repository for old wireless drivers for the X240. We need to run some tests with old drivers vs. new but I can't find them to download.Thanks.

A:Old drivers for X240

Hello and welcome,
 
I don't have a direct answer but there may be a way to finesse this.
 
Just did some poking around in the Win 7 wifi drivers.  Using the 64-bit Win 7 Intel driver,  I copied the link to the latest and replaced the "version" part of the link with an older version extracted from the readme.
 
I was able to download nz0wh0w 2016/05/10 by modifying the link to the latest version.
 
Does that or similar get you what you need?
 
Z.

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RELEVANCY SCORE 36.4

I?m unsure if I?m doing the right thing here, never posted anything like this before. The X240 laptop I have was working yesterday, and I put it to sleep so I could continue working later. However now it won?t turn on at all, except the lights over the F1 key, F4 key, and Fn are on. It wasn?t plugged in, but this has never happened before. I?ve also taken out the battery in a myriad of different methods people have suggested online but there?s been no mention of the lights still on.  If if I could get some help, that?d be great. I don?t know much about computers.

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RELEVANCY SCORE 36.4

Dear All, i have Lenovo X240 which I bought from France two years ago. It's serial number is PF00YEU9. Currently i am in the UAE on an international assignment. I took my laptop to local service dealer for screen replacement for dead pixels but he refused to take the laptop, saying he was.not sure whether the laptop covered under international warranty or not. He asked to to talk to Lenovo customer service at 800035702810, and if they agree, I've to show an email evidence to local dealer that it is covered under international warranty. I tried on this number but it's not responding. I tried to find customer support email but it's not available on lenovo's website. Only one month warranty is left on my laptop and I am not going to visit France in next couple of months. Please advise what to do? regards

A:MY warranty on X240

Anybody please?

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RELEVANCY SCORE 36.4

???? N ??????????????????????????????? ????

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RELEVANCY SCORE 36.4
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Just wondering if it were possible to swap a non-backlit keyboard with a backlit keyboard on the x240? If so, what is involved? I know that it was possible for the x230, but wasn't quite sure about the x240. Jeremy













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A:x240 Keyboard

Yes, it's possible.Common question here. For examlpe:http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T440s-Backlit-Keyboard/m-p/1743845#M103650Another laptop series, the same solution. Of course, .pdf files differ.

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RELEVANCY SCORE 36.4

Dear All, i have Lenovo X240 which I bought from France two years ago. It's serial number is PF00YEU9. Currently i am in the UAE on an international assignment. I took my laptop to local service dealer for screen replacement for dead pixels but he refused to take the laptop, saying he was.not sure whether the laptop covered under international warranty or not. He asked to to talk to Lenovo customer service at 800035702810, and if they agree, I've to show an email evidence to local dealer that it is covered under international warranty. I tried on this number but it's not responding. I tried to find customer support email but it's not available on lenovo's website. Only one month warranty is left on my laptop and I am not going to visit France in next couple of months. Please advise what to do? regards

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RELEVANCY SCORE 36.4

Dear all, I need information to make sure about SSD that compatible with x240. In my country there are too few brand and type of SSD, I found PLEXTOR M5 Pro Xtreme 512GB with SATA III & 7mm thickness. Is the SSD compatible to x240 (SATA interface & operational)? Thanks a lot for your help. Best regards, Wong 













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A:x240 SSD compatibility

Hi Wong,
 
Welcome to Lenovo Community!
 
As per your query we understood that your query is about SSD compatibility on ThinkPad X240.
 
We regret to inform you that the ThinkPad X240 will support maximum up 256GB SSD SATA3 drive.
 
For complete details on all the hardware specification please click here.
 
Hope this helps.
 
Best regards,

Hemanth Kumar






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RELEVANCY SCORE 36.4

Hello, In short, fn key does not work in lenovo x240 with latest bios update (2.35). I can swap fn and ctrl keys, and then function keys works via the ctrl key, but the fn key does not work as ctrl. I think this problem is OS independent (tried w10, w7, ubuntu). I have tried installing older bios for this model from the following page:https://support.lenovo.com/es/en/olddownloads/ds035950 But I can only install a few of the newest ones, as the older ones report that they are not compatibles with my system (though the readme says w7-w10 compatibility). No luck with any of the ones I could install. I also tried the hotkey features integration from here, no luck either:http://support.lenovo.com/es/en/downloads/ds029026  This question has been answered a gazillion times, but ill do it one more time as there is no solution posted anywhere. Examples:https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X240-Fn-Key-not-responding/m-p/1551442/highli...https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X240-Fn-key-not-working/m-p/1844428/highlight... Cheers and sorry for cloning this question one more time (I'm sure you can smell my desperation).

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RELEVANCY SCORE 36.4

I recently purchased a refurbished x240 - I am having 2 issues, which I would welcome help with: 1. the areas with buttons on the top and bottom of the track pad also move the cursor - this often causes an inaccuracy, with the cursor moving slightly before or after pressing one of these buttons - is there anything which can do done about this, or is it a design fault? 2. my computer arrived with no internal battery, just a 6-cell external battery - the seller claims that the internal battery only functions if the external battery is a 3-cell, and that there is therefore no point in me purchasing an internal battery - can this be verified? Thanks for your help! 

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RELEVANCY SCORE 36.4

Servicing a X240 laptop, m/n 20AMS0G10F, came in because of no AMT option available in the bios. Called Lenovo Tech Support, case#304TQ58, and replaced the system board. When laptop first powered on noticed AMT option was available, set the time and date, rebooted and ran the Maintance Disk ver 1.86, after input of the s/n and m/n rebooted the laptop and AMT option is now gone.Called Lenovo Tech Support again and was told to replace the board again, replaced the system board, powered the unit on and checked, AMT option was present, input the time and date, rebooted and ran the Maintance disk again, input s/n & m/n, reboot and again the AMT option is gone.Any AMT experts out there? Any way to bring this option back? HELP! Have another that had the board replaced, has AMT now but afraid to run Maintance disk. 

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RELEVANCY SCORE 36.4
RELEVANCY SCORE 36.4

Hi, We are experiencing issues with our x240-x260's Win 7 64-bit laptops Windows 8.1 and up seem to be ok so far The CPU is reaching 70 degrees and even goes up to 75 degrees in one case we have seen so far We have checked the task manager and the CPU looks fine, everything is appearing normal (CPU levels are average not high at all). Memory is also looking fine. Battery is also dead between an hour or 2 as well. Has anyone else experienced this issue? Thanks

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RELEVANCY SCORE 36

hallo, After a service provider put in a new keybord on my thinkpad x240I saw a cable to the screen outside my notebook. I guess it's no good. What do you think?I added a picture. Please give feedback if you have knowledge,I feel some insecure on these matters.seet attachment, thanks, Joph

























Lenovo bedrading beeldscherm buiten.jpg ?113 KB

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RELEVANCY SCORE 36

Hello Each time i press space bar key, there is a very small delay before space appears on screen. So i make a lot of typing errors. Computer is X240, BIOS is 2.16, every driver is up to date. Windows is 8 PRO. It does the same with Windows 7 so i think it's a software issue. Lenovo E420 had that before and problem was fixed by a BIOS update.













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A:Space bar key delay on X240

Hi,
 
Welcome to Lenovo Community Forums!
 
Try this. Go to control panel -> Keyboard. Change the repeat delay to short and repeat rate to fast.
 
Try in different applications like Word/Notepad and in different browsers like Mozilla/chrome and check if the space key behaves in a similar way.
 
Best regards,
Mithun.





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RELEVANCY SCORE 36

Hi, greeting from indonesia.I really need help. Currently my X240 cannot connect to WiFi (basically, it connected but can't get IP from access point while my another devices can do it). I have tried to re install the driver, unlucky it won't work. I use Windows 7 Pro.Then I tried to update the wireless software (intel proset wireless) using v.20, but unlucky it also won't work.please give me advice on this. Any help will be much appreciated. thankyou

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RELEVANCY SCORE 36

Hello The headset that I have with me has two separate jacks - one for mic and other for audio. But Lenovo X240 wouldn't support it as it has only a single port. Can you suggest what splitter/adapter I can use to connect my headset with the laptop. My headset has a 3.5 mm jack for audio and mic. Thank you.

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RELEVANCY SCORE 36

Hello, I am using an X240 with the following specs: Processor:  i5-4300 CPU @ 1.90 GHz 2.50 GHzRAM: 8.0 GBSystem: 64 bit, Windows 7No external monitors When my computer lid is closed and it automatically sleeps it is not possible to wake it again when I open the lid. I will move the mouse (both the external and the built in), touch the keys, and even push the power button and it will not wake up. The power button light remains solid. The only way I have figured out how to wake it up is if I plug in a VGA cable that is connected to an external monitor or projector.Does anyone know how to fix this?  

A:X240 will not wake from sleep

First step is to look in the event log to se if a device is throwing a message about a problem entering the sleep state.

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RELEVANCY SCORE 36

Hello,I'm sitting here absolutely confounded. I just reinstalled Windows on my x240 and decided that, while I was at it, I might as well remove my BIOS password, as I am no longer in school. I primarily use my laptop at home, so a password isn't really necessary.I go into the BIOS and straight to the security tab. I start disabling everything that is enabled and related to Supervisor password, Boot-up password, Start-up password and so forth. At one point, I am prompted to type in my current password and next to fill in my new password and to type it in once more. Being somewhat familiar with how unintuitive a BIOS can be, I leave the fields where I have to type in my new password blank, thinking that the BIOS will then assume that I want to have no password. I leave the fields empty and hit ENTER. It accepts this for some reason. I get a system halt for some reason and my laptop reboots. I am then prompted to type in my BIOS password as per usual, but it won't accept the password I usually use, which means there's an active password, but no longer the one that I've set prior to this. I try different passwords, I try just hitting ENTER, but no luck.I am locked out of my laptop and every Google result even remotely related to my issue suggests that I have to purchase a new motherboard for my x240. Really?I did not set a new password, I left the fields BLANK and hit ENTER. I have no idea what the password could be.I figured perhaps the BIOS password reverts to a prior password,... Read more

A:Lenovo x240 LOCKED OUT

Ok, this is embarassing but it might be something to learn from.I just remembered the very first BIOS password I set. I tried it, and it worked. Leaving the fields blank caused my BIOS to revert to the earliest password, which is the password I set prior to the one I am using now.Either that, or my supervisor password and my start-up password were different.Anyway, feel free to mark my thread as resolved or just delete it.

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RELEVANCY SCORE 36

Hi i didn't want to start a new topic so if it's not a problem i post here. I just bought a second-handed laptop,thinkpad x240 , it is in very good condition  and  i'm very happy with it.  the only downside is that it has a german keyboard but i managed to get some stickers to some of the buttons. my x240 specs are: i5-4300U( 1.9GHz), 8GB RAM, 180GB Solid State Drive, 12.5in 1366x768 LCD, Intel HD Graphics, Wireless option, WWAN, Bluetooth, 1Gb Ethernet, UltraNav, Secure Chip, 6c Li-Ion, Win10 Pro 64. when i click on lenovo website and intel one as well,  after i scan the system , it says it is a i5-4300u 1.9ghz to 2.90 ghz so far so good, the problem is when i click to settings  about my device it says it is a i5 4300u 1.9-2.60ghz. how is that possible? thank you in advance for your answer 
 
Moderator note:  off-topic post moved to its own thread.  Subject edited to match content.  Was:  Re: Backlit keyboard x240

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RELEVANCY SCORE 36

bought a refurbished x240 online (India). On powering it on I see that it says battery #1: Not present. From what I've read some models ship without internal batteries, but I haven't been able to check if my model should have it or not. Model is: Machine Type Model: 20AMS0SQ1APS: External battery works fine, and shows up as battery #2

A:x240: Battery #1: Not present

Hi Madhukar, 
 
Welcome to Lenovo Community! And happy to have you here.
 
As I understand that you are looking for the query regarding Internal Battery for your x240
According to MTM it has internal battery. Below are few internal batteries for your model

45N1109  Panasonic-SANYO 3cell 
45N1773   Panasonic Rogue Integ 3cell 

 
I hope the above information helped you.
Please feel free to post in Lenovo Community Forums if you have any further queries!
 Cheers,
Prabhansh_______________________________________________Tap that Kudos button if I helped.If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!

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RELEVANCY SCORE 36

Hi my x240 suddenly started to show error 1802 although i never touched the networkcard. dont understand it.tried updating bios but didnt work, now i want to get the networkcard out, so i can atleast use it without internet connection.My Problem is that the Users Manual recommends to deactivate the internal batterie bevor performing any actions on the notebook. But I cannot enter the BIOS to do so. when starting and pressing F1 or Enter to go to the BIOS. The Error 1802 occurs and all i can to is power off..now what can I do? is it sufficient to open the base cover and immediately disconnect the battery connector without disabling it in the BIOS or do I risc damaging the notebook? Thanks alot for any help

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I am looking for a speaker system under $50, and was looking at two different sets. The logitech X230 and X240. I noticed that the X230 has a more powerful subwoofer and satellite rating. The X240 is more expensive, but IS that because of better sound or just the ipod dock? I have an ipod so that would be helpful, but I definately don't want to sacrifice any sound quality.
Thanks
 

A:Solved: X230 vs. X240

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Hi, We have x240 laptop on warranty.Cpu average temp 80+ CAlready replaced cooler with fan.I know that i7-4600U max temp is 100.But it looks strange for me, without any load the core temp is 75-80...... Any ideas?Thanks

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I have lenovo thinkpad x240 with MTM 20AMS36W0Z.Does this computer have keyboard backlit feature ?

A:Backlit keyboard x240

Hello and welcome to the CommunityFactory configuration of this laptop features a keyboard backlight. The space bar should have small flash icon.

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Lenovo, is it possible to put the X250 Trackpad in the X240, replacing the Clickpad with one that has real buttons? The Clickpad absolutely sucks and I can't believe I now own the one generation of ThinkPads that have this abomination. I'd like to replace it without having to buy a whole new laptop.










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A:X250 Trackpad in an X240?

Hello XThinkpadUser, I am very sorry, but I advice You to forget this idea. There are most likely going to be some imcopatibilities in BIOS, and if not so, then some differences with the shape of the keyboard / trackpad connector. Plus you would need to replace the whole keyboard bezel. My opinion is based on the same glitch with old X200 and X201 - many people asked if X200 can be backwards upgraded with touchpad - it can be definitely not (afaik). Nobody can mark your question as impossible until first X250's arrive, but in your case I would hurry selling your X240 unit. Sooner you do it, you will get more paid for it... (believe me, you have my best sympathy, but I am in much more huge trap - what shall I my X220 change for?? :-) ) Regards,skrble

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the laptop currently has a 4g stick.  when an 8g stick in installed the laptop does not boot, no Lenovo splash screen.  the RAM works in another pc.  upgrading the BIOS to the latest version did not help.

A:x240 will not boot when upgraded to 8g

It is safest to use sticks that have Lenovo FRU stickers on them.  Most are compatible, but some are not.  You need DDR3L (low-voltage) RAM.  1.5V sticks will not work.  Also avoid those with the name "value" in them.

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Hi, I'm having problems with my X240. I'm running Windows 10. When I shut down the computer, it stays off for 2seconds and then boots back up. This only happens on battery power, when connected to AC the computer shuts down fine and stays off, BUT if I remove AC it boots up in 1 second.. This is really weird.I've disabled the "Turn on fast startup" option and had a look at the options in BIOS but no luck..BIOS version GIET87WW (2.37). Thanks in advance,Mart

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hallo, Anyone with a thinkpad notebook who a a cable to the screen,outside the hinge? (see attachment) After a service provider put in a new keybord on my thinkpad x240I saw a cable to the screen going outside from board to screen along the screen-hinge of my notebook. I guess it's not like it should be.More over, I wonder of this wires could be easily damaged this way.What do you think?I added a picture. Also I wonder if there's anyone with a laptop who can see a wire on the outsideof the hinge of the screen. photo: see attachment (close-up of cable going from board to screen) 

























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I an configuring a ThinkPad x240 for a ProDock with two displays connected to the ProDock.  I have 3 displays available;  VGA, HDI and DisplayPort of which I will use some combination of two.  At present, none of them are recognized when the x240 is docked, either indivdually or in combination. The VGA on the 240 works fine when undocked but otherwise there is no video.  I have swapped out the ProDock, tried each display individually, updated to the latest UEFI version, and checked the UEFI configuration to no avail.  Does anyone have any thoughts? 

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RELEVANCY SCORE 36

Hello, My X240 screen suddenly have a straight line on the left side of the screen and I already tried to change the LCD cable/LCD panel but it still not change. hope it is not caused by the MB issue. Please advise how to fix it.....  


























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