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T440s: Wifi problems

Q: T440s: Wifi problems

I have a T440s
i keep having problems with connection to my router the computer keeps loosing connection and then I have to select the router and then the computer has to troubleshoot the wifi and reset the wifi. this has been going on from when I received the unit.

Moderator note: model added to subject for increased visibility.

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RELEVANCY SCORE 200
Preferred Solution: T440s: Wifi problems

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RELEVANCY SCORE 57.6

So I'm having trouble with my wifi card on my t440s.I began by putting the windows 7 x86 hard drive in the laptop from my x220, the wifi didn't work so I uninstalled the old drivers and replaced the drivers with the recommended t440s drivers on this site. The wireless worked, I then installed all the stuff lenovo bridge suggested, the start bar stuff annoyed me so I took it out. From then on no operating system, or drivers I have installed, have been able to find the hardware for the Wifi drivers.The bluetooth is working and I have tried using the bios to make sure the wifi function key isn't broken.I have also tried installing windows 7 x64, which is what im working with now, to try and find the hardware.When I go into network adapters, its literally just not there.

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RELEVANCY SCORE 57.2

Hello All, i'm using my T440s laptop with latest Windows 10 proand my wifi driver is : Intel-Dual-Band-Wireless-AC-7260 Version : 18.33.7.2 i think it's the latest version my issue is sometimes the wifi connection getting slow and when i open task manager and see the performance of wifi connection i found that is no sent and recieve signalthis issue happen manytime for 2 or 3 min then it worked fine

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RELEVANCY SCORE 56.4

I've been trying to use my T440s away from the dock and each time I do, after a while the Wifi just dies and I need to switch on airplane mode and then switch it back on for it to start again. This is extremely annoying. I have the dualband  Intel AC 7260 running the 16.8.0.6 driver version. Can this really _really_ be happening with a machine that cost as much as an MacBook Pro? I feel cheated on so many levels with this machine. It goes beyond the wifi-problems. The clunky keyboard instead of the Lenovo hallmark keyboard from T420 and worst of all: the missing keys from the touchpad. What were you guys thinking? Anyway, back to the problems at hand. I'd really appreciate some input if you have come across this very same problem and have found a solution for it. Thanks.

A:T440s losing wifi connection

Unfortunately I have this problem too.  The connection simply drops out between 1 and 4 hour intervals.  It is rather annoying as the vpn connection cannot be reestablished for at least 5 minutes after a dropout, and I lose all of my work environment setup which can take another 10 minutes or so to rebuild.   Not sure it is lenovos fault, but they should be working with intel to fix this.   

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RELEVANCY SCORE 56

T440s, win 10. Recently, I can't connect to the university's wifi anymore. Sometimes I can connect but it says "No internet", while my friends around were using it. I borrowed a usb wireless adaptor and it worked good, no problem. I can connect to the wifi at home and some other places, but not on campus. I uninstalled the driver but it just reinstalled automatically after reboot. Anyone know how to fix this? I have read someone said it might be because the MAC address is blocked. Is that possible and why? Thanks.

A:My T440s can't connect to university wifi anymore.

Also, it can't connect to the hotspot of my phone anymore either. 

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RELEVANCY SCORE 54.8

Just moved, and my laptop can't stay connected to my new apartment's WiFi. It connects for about two minutes tops before disconnecting like clockwork. I think I've tried all of the general solutions that come up when I google this issue (reset adapter, update drivers, make sure power management isn't turning adapter off) but the problem persists. My laptop doesn't experience problems connecting to any other WiFi. And the WiFi in the apartment works well with my phone and all of my roommates laptops. My laptop is the only device with the issue. The router is a TC8717T and my laptop is a Lenovo ThinkPad T440s running Windows 10 with Intel Dual Band Wireless-AC 7260 wireless adapter. Any further guidance would be greatly appreciated. Thanks!

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RELEVANCY SCORE 54

is there any video ro good instructional on how to secure the pins into the card? I bought this months ago and had to reput one prong into it after my wifi connection was horrible.I guess stressing the laptop into different positions popped it out. Any 'correct' way to do this?Intel Dual Band Wireless-AC 7260 WiFi Bluetooth Half Mini Card http://www.amazon.com/Intel-Dual-Band-Wireless-AC-Bluetooth/dp/B00E7QGHE6?ie=UTF8&psc=1&redirect=tru...I dont have the time as a student to open my laptop like this, anyone reccomend a small, almost like the mice usb wifi dongle? I am in the next room from the router most of the time?

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RELEVANCY SCORE 50.4

Hi, I'm setting up my new thinkpad t440s and I cannot get my trackpoint to work.  It does not respond and in my mouse properties/thinkpad section, the Touchpad is clearly enabled, but the Trackpoint options are all greyed out.  In the pointing options dropdown, I can only see the option to 'Use TouchPad only.'  I strongly prefer the Trackpoint to the Touchpad and would prefer it if possible. I currently have Synaptics pointing device driver version 18.0.7.109, the most recent version.  I've tried rolling back to previous versions and this issue still persists.  I also have gone into BIOS and disabled and re-enabled the Trackpoint in boot settings. Unfortunately, since this is a work machine, I do NOT have the capability to remove the keyboard or replace parts.  Any ideas at all would be greatly appreciated.

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RELEVANCY SCORE 49.6

Does anyone know the problem?Hi, I bought a touchpad from Aliexpress (ThinkPad T431S T440 T440P T440S T540P W540, Three Keys Button!!).But the gestures doesn't work on it because none of the drivers are working. (The seller couldn't help me)Touchpad number: 8SSM10G93373E1TJ4CXJ4PT CDEA004 00BLenovo ThinkPad T440s , Win10 Pro, 64bitAny help appreciated! Thank you!

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RELEVANCY SCORE 49.6

Hello,after installing update KB4056892 i have the following problems with my T440s: System messages: Warning WHEA-Logger Behobener Hardwarefehler.Gemeldet von Komponente: ProzessorkernFehlerquelle: Behobene ComputerüberprüfungFehlertyp: Interner ParitätsfehlerProzessor-APIC-ID: 2 Translation:A corrected hardware error has occurred.Reported by component: Processor Core Error Source: Corrected Machine Check Error Type: Internal parity error Also the notebook does not wake up from sleep mode. The screen is black, the power button is green. I have to press the button very long to turn it off. I'm not sure if the warning is related to the wake up problem. Latest bios installed. Does anybody experience the same problem?Any ideas what i should try? ThanksAndi

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RELEVANCY SCORE 49.6

Hello everybody, Two and a half years ago I bought a second hand T440s in new condition. The description said the laptop was purchased for a project which discontinued, so they sold them. The seller used a account with the companies name which was already registered for 8 years on that platform. I could'nt find complaints using Google, so it seemed like a good deal.  The laptop is actually still working pretty good, so no problems there.The one things that  is a bit strange, is that the serial number can't be found.  At first it didn't bother me, but currently i'm getting curious again on what might be the cause. When I'm looking up the serial number on the computer, the result I get is R9000000. Possibly this means that the system board has been replaced.Also the back of the laptop doesn't give me any information since the sticker with the number and barcode is missing.I can't figure out what the reason is, clearly it is not the original state. It came to my mind that it could be a fake product, but the build quality and performances are actually too good for a fake one.Can it be harmful for the computer and what might be possible reasons. Is this something that happens more often?

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RELEVANCY SCORE 40.4

We have had WiFi for about 10 days now, and everything was ok until yesterday. WiFi went down, for some reason. We have 2 desktops PCs connected to router via cables, and 2 smartphones (Google Nexus S running Android 4.0.3 and Nokia N96 running old Symbian, if it matters) that go with without wires. The thing is, when my brother, turns on his PC, WiFi doesn't work for any of us, not on my PC nor on any smartphone, or his PC. When he shuts his PC down, it's all OK again. He did install (automatic) Windows Update.
Why is this all of a sudden happening? And how do we fix it?

Modem model: Speedtouch Thompson 510i
Router model: TP-LINK TL-W340G

If you need any more info, ask And thanks!
 

A:WiFi problems, when one PC is on, WiFi isn't working

What is he doing on his PC?
 

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RELEVANCY SCORE 36.8

Hi all, My enter key fell of today while writing an essay. It turns out the keycap is broken, but I can't find a replacement anywhere as it is different to all the sites I have seen (See Photo)I only need the actual cap, not the hinge or anything.Can anyone point me in the right direction? The model number of the laptop is 20AQ0069UK, a T440s  Thanks All


























IMG_E6190[1].JPG ?706 KB

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RELEVANCY SCORE 36.4

I T440s which I updated to Windows 10.  I updated the Lenovo drivers after updating and I have the latest Trackpaad/trackpoint drivers.  I want to use the track point but not the touchpad.  When I go into settings and choose either "Classic Trackpoint" or "Trackpoint Only", the buttons on the trackpad do not work.  Help, Please.
 
Jim
 
 
Moderator comment: Model added to subject for clarity.

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RELEVANCY SCORE 36.4

Just wondering - where does the 12 GB RAM limit for the T440s come from? Is it related to the motherboard or BIOS or the operating system? (for example, if I run 64 bit Linux can I potentially enjoy 16 GB of RAM?)

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RELEVANCY SCORE 36.4

i have a t440s and my screen is very dim i need to use a flashlight to see it, i checked the cables and all are connected there is a blue or orange one that isnt i thought that it was weird but i saw on a picture that its like that when i turn it on the lenovo logo comes on but very dim and windows is also very dim i hooked it up to the dock and ran a hdmi cable to it but that didnt work eighter i tested it with my other t440s and it did work when i connect the d-sub cable directly to my laptop it does work and the screen is just black with nothing on it. what can i do?

A:VERY DIM SCREEN ON T440S

Make sure drivers are updated and not using a generic VGA driver. This would make the dock not work and not be able to adjust screen brightness. If it is to the point where you can hardly see it at all then it most likely is a bad screen.

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RELEVANCY SCORE 36.4

Can someone please look in the BIOS under startup and see if something appears under HDD2 even though there is nothing there.
 
Thanks

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RELEVANCY SCORE 36.4

i have a t440s and my screen is very dim i need to use a flashlight to see it, i checked the cables and all are connected there is a blue or orange one that isnt i thought that it was weird but i saw on a picture that its like that when i turn it on the lenovo logo comes on but very dim and windows is also very dim i hooked it up to the dock and ran a hdmi cable to it but that didnt work eighter i tested it with my other t440s and it did work when i connect the d-sub cable directly to my laptop it does work and the screen is just black with nothing on it. what can i do?

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RELEVANCY SCORE 36.4

Hello.I have T440s with discrete graphic Nvidia Gt730M (optimus model).Is it possible connect external monitor 4k 60Hz over display port? or only 30 Hz?Same question for display port in Dock? Whick model of docks support 4k 60 Hz?

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RELEVANCY SCORE 36.4

Apologies if this question has been previously answered.  I searched and couldn't find a response.   I'm still using the original HDD that came with the laptop.  I'm thinking of upgrading to an SSD and cloning the HDD to the SSD.  My question is what to do, if anything, with the, M.2 16gb cache that came with the laptop.  Should this drive be left alone as is in the laptop after the HDD to SSD upgrade?  Should it be removed?  Should anything be done to the M.2 drive if I upgrade the HDD?  My understanding is it currently speeds up the computer at start-up and with an SSD, this wouldn't be all that necessary.   I appreciate everyone's time.  Thank you.   -Rich

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RELEVANCY SCORE 36.4

I just installed one ssd m.2 to my T440p, and use tool to move system startup to this ssd, but when i move this ssd to boot first, but pc could not work normally. Who do this same as me? Please help me, thanks

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RELEVANCY SCORE 36.4

Hello,On my T440S, since BIOS v2.37.1.13 (with little hope that v2.39 would fix it, I installed it to no avail), I can no longer enter hibernation.When I try to do so, the red LED blinks multiple times and then the computer immediately wakes up. The event viewer only shows:The system has returned from a low power state.Wake Source: UnknownThe workaround is to either unplug all usb devices, or disable USB 3.0 support in the BIOS, which sucks for a 1000e + laptop.Otherwise, the computer enters a sleep-hibernate-wake up loop which is draining the battery.When do you plan on releasing an update (BIOS or USB 3.0 driver) to fix this hibernation issue?Thank you.

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RELEVANCY SCORE 36.4

I recently updated my BIOS on my T440s to 21.20.When I try to change the boot order priority, the screen becomes filled with random characters thus rendering my unable to change some settings in the BIOS. Any thoughts? Thanks.?

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RELEVANCY SCORE 36.4

Dear Users, Since a few moments I am a (happy) owner of Lenovo?s new and business class model T440s. As I could find out, Lenovo is building in two different displays. On the one hand there are several model with aLG-DisplayModel: LP140WF1 (sp)(k1)P/N: 0C00349FRU: 04X0626 And the other from AUOModel: AUO B140HAN01.2FRU: 04X0436 (You can look up your displaymodel via BIOS, Everest or any related program) As far as I could find out in the world wide web there are several users reporting with a LG Display in their T440s that it is in quality inferior to the AUO Display. It seems that Lenovo is ready to replace the LG with an AUO display, sending out a tech. My question is what your experiences are and what can we, the owner of a  LG-Display, do?Is there a real quality gap between these two types of Display? My T440s, as i mentioned, has a LG Display. I can live with this one, if there are no great difference in the quality to the AUO Display. I am excited about your opinions.Thanks Fire

A:T440s - LG or AUO Display

Don't sweat it. Both are absolutey huge upgrades over the TN panel. While the AUO is a bit better, its not worth the trouble. I have both and I like both. I did a compare on the same thread u heard about the issue.

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RELEVANCY SCORE 36.4

Hello! I tried to calibrate display with Calibrize software and ended up changing system's Pnp Generic Monitor icm file. Is there a way to get it back or download somewhere without installing Windows 10 again? Thanks.

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RELEVANCY SCORE 36.4

Question for T440s owners with AUO panel (B140HTN01.2, non-touch). Is it PWM flicker free across all brightness level?

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RELEVANCY SCORE 36.4

Hi!I started getting low memory messages (*) every 4-5 days. I have a T440s with the following specs (W7 Professional). What you recommend I do beside hardare upgrading the RAM? And can I safely upgrade the RAM? Thank you!(*) Your computer is low on memory To restore enough memory for programs to work correctly, save your files and then close or restart all open programs.

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RELEVANCY SCORE 36

Is there a digitizer pen that works with the ThinkPad T440s?

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RELEVANCY SCORE 36

Hi, I have a t440s which has been running great until very recently.  Now every time I undock the computer it immediately shuts down. Any idea how to fix this? It works when docked and on battery just when i undock it shuts down.










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A:T440s shuts down when i undock

Hi Dsc,
 
Welcome to Lenovo Forums.
 
Undocking a portable computer while it is in either standby mode or hibernate mode can result in data loss and system instability. To avoid loss or damage, use Undock to undock your computer, or shut down the system and undock the portable computer while your system is off.
 
How exactly are you undocking the computer? Are you undocking the computer using undock option?
 
Also, please update the latest BIOS.
 
Let us know how you get on.
Regards,
Shashi
 
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,I have a T440s with touch display under Windows 10 pro. on initial start of the computer, touchpad and trackpoint usually work well, but after a couple of minutes the cursor just disappears and touchpad and trackpoint don´t work anymore, the only way to navigate then is the touchscreen. I already updated the driver and made a bios update, both didn´t help. Has anyone a good idea on that issue. Cheers, Jakob

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RELEVANCY SCORE 36

What new models in the Lenovo range are there that boast the same excellent features of the T440s - specifically: two batteries providing a whole day of power even three year's later!a 14" (or 13.3") screenminimum 12GB RamBut I'm asking for more than just technical specs ... has anyone had any experience with a newer Lenovo laptop that would rival the T440s?

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RELEVANCY SCORE 36

Hello,

I've recently moved my profile to a T440, and shortly after the move, I received my first BSOD. Within a day, I received another at the login screen. Please see attached, and appreciate any help/insight you can provide.

Attached are the DM log and SF Diag created files. Thanks!

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RELEVANCY SCORE 36

My t440s will hang all the time, like this:https://youtu.be/HROnaWhrRDgThe keyboard and mouse are unresponsive. If sound is enabled it makes this horrendous sound. There is no blue screen. It has to be power cycled. It happens every few weeks or so. Has now done it in Windows 7,8 and 10. Have tried updating all the drivers, and it still happens. Have tried using and not using peripherals, and it still happens.

A:T440S hangs all the time

Could be a bad hard drive or RAM (both of which can be tested using Lenovo Solution Center), but I would start by noting the time of the hang, and then rebooting and checking the Windows Application and System event logs upon restart to see if there are any errors reported that stand out.    I once had an issue similar to what you are seeing, and the logs pointed to a hard drive controller error, which in the end was not the controller, but a bad/loose ribbon cable that seemed to act up when the system got hot. Open Windows Event ViewerStart >> Run and type: eventvwr Press Enter Good Luck, 

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RELEVANCY SCORE 36

Hi folks! I'm currently looking for the best portable notebook solution and found out this interesting model - T440s.But I'm pretty confused in it's build numbers and difference between them, because there is insufficient information avaliable about it.Can you kindly clarify the difference between 20AQ008HRT vs 20AQ004VRT models? Many thanks in advance! 

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RELEVANCY SCORE 36

Hi guys, i have a t440s and every think worked fine until i cracked my display. I replaced it by myself and it worked again, not for long though. Now i have a laptop which i can only use as a desktop because the display isn't working at all, but the display and vga ports work fine!The display is not showing any reaction when turning on the computer, there's no light, no black screen or blue screen, nothing! I checked the wiring and everything seemed to be fine and well connected... any suggestions?

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RELEVANCY SCORE 36

I'm up for help... Iv'e updated the BIOS, Lenovo Think Vantage Utility, Intel drivers. I'm running Win 8.1 USB3 Camera only connects as USB2 In 'Printers and Devices' when i select the camera, it says the status is "Device will run faster if connected to USB 3.0 All 3 ports on the T440s are USB3 Help very much appreciated

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RELEVANCY SCORE 36

We bought several T440s machines at our school.  So far, I've seen 4 units where you open the lid and it will not power on...it has 3 LED lights on FN - F1 - F5 I have to pop the back battery and press the reset Does anyone know WHY this happens?? Windows 10 Pro 64

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RELEVANCY SCORE 36

Hi everyone, I'm trying to figure out if I have a unique problem, or whether this is a broader T440s problem. Occasionally, especially when my T440s has gone to hibernation from sleep, I cannot turn on the computer unless I plug it into the wall. That is to say, when I hit the power button when the computer is unplugged, NOTHING happens. I've tried holding the power button down, pressing it repeatedly, removing the external battery and then pressing the startup button, etc.  If I plug the computer into the wall, it starts up fine and shows that there is sufficient battery life. This does not happen consistently, and is difficult to repeat. For example, the computer went into sleep the night before traveling. I tried to start it on a plane flight (domestic, thank god, so it wasn't a huge issue, but if it had been international that would have been a disaster) and it simply would not start. Later, on a train, I was able to plug it in and it started with no problems and showed plenty of battery life. I then put it into sleep, it went into hibernate, and I was able to start it up without being plugged into the wall when I returned home. Has anyone else encountered something similar? Are there settings I can change, or should I have it sent in for repair (also, what on earth might cause this problem? Faulty power button?)

A:T440s won't startup on battery

skander wrote:...
Has anyone else encountered something similar? Are there settings I can change, or should I have it sent in for repair (also, what on earth might cause this problem? Faulty power button?)

This is what happened to my T420.  Just about drove me nuts.  Since it would start in one power mode but not the other that proved that it couldn't be the button, right?  Another mod with more sense suggested replacing the keyboard anyway.
 
It was the power button.  On careful visual inspection I could see that it was slightly depressed from normal.  Either partly shorted or high resistance.  Plugging in the AC mains must have changed the voltages just enough for it to work.  Sometimes, anyway.
 
Not saying this weird problem is what you're seeing - but it might be.
 
Good luck,
Z.

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RELEVANCY SCORE 36

Hello, I´ve bought a refurbished t440s and my screen as some dark areas. You can see in the pic. Is this a malfunction from the LCD.Is worth to buy a new one?

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RELEVANCY SCORE 36

Running into an issue where the machine completely powers down after undocking.  Drivers have been updated, battery has been swapped out and so has the docking station. Just curious if this is a board issue or a larger concern.  Any insight would be appreciated. Thanks, NALIT

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RELEVANCY SCORE 36

My thinkpad t440s has for some time been a problem with the fan, this does not work properly, makes a noise and stops, the fan is started and stops at repeated times and does so at any timeI do not know very well the reason for this, but it happened after one night I let it run and the next day this just happenedI would appreciate it if you could help me

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RELEVANCY SCORE 36

This is probably a simple problem, but I can't figure it out. Device: T440s running Windows 10 Pro Problem(s): If I unplug it from the power adapter, re-plugging it has the following effects--it does not recognize that it is plugged in, and the red light over the 'i' on the lid repeatedly flashes a fast sequence of four short flashes followed by a brief pause. It does this until the battery drains and then it shuts down. Adding some further confusion: It will not shut down or restart when plugged in. It will sit on the blue, "Shutting Down" or "Restarting Windows" page for as long as I leave it. I have to force it to shut down by holding down the power button until it turns off. And yet further confusion: If, while it is turned off, I disconnect the external battery and plug in the adapter, I get the standard three flashes to indicate that it's charging. I can then reconnect the external battery, and it charges like normal though the light gives me an occasional double-flash as it charges and the charger gets hotter than normal.So, I'm not sure if this is a bad adapter, battery, motherboard, or something else entirely. I'd like to fix it before my Macbook wielding colleagues catch on and give me grief. Any help is much appreciated.





DRJT400T400, 2.4 GHz P8600, 2G RAM, Win7 (32 bit)T440s, i7 4600U, 8G RAM, Win8.1 Pro (64 bit)

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RELEVANCY SCORE 36

Hi,I've a new T440S. Battery2, removable, is not charging. I've changed the battery setting to charge between 45% and 71%. It's currently at 0% and not charging, Status: No activity.I've tried to re-boot several times.What might the issue be? And what is the solution? Any help would be much appreciated. RegardsVik

A:T440S battery2 not charging

What is battery 1 doing?

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RELEVANCY SCORE 36

Hi AllIs it possible to replace a touch screen on a T440s for a standard LED ? are the connections the same

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RELEVANCY SCORE 36

Problem: Can't connect to 3G on my Sierra EM7345.Win10 latest patch. Error: Can't connect to the network. Enter an APN and try again. Tried:1. Creating a APN based on service provider's recommendation (ISP).22. WWAN is enabled in BIOS3. wwan card is powered and turned on.Open the command prompt window (win+R, cmd), type in the following string:netsh mbn sh rad int=* Output:C:\Users\user>netsh mbn sh rad int=*The given interface is not present or not a Mobile Broadband interface.3. Check out whether the wwan card is visible by the system and its firmware versionnetsh mbn sh int Output:There is 1 interface on the system:Name : UnknownDescription :GUID : UnknownPhysical Address : UnknownState : Not connectedDevice type : Mobile Broadband device is embedded in the systemCellular class : GSMDevice Id : 013937000072866Manufacturer : Sierra Wireless Inc.Model : Sierra Wireless EM7345 4G LTEFirmware Version : FIH7160_V1.2_WW_01.1528.04Provider Name : MY MAXISRoaming : Not roamingSignal : 19%RSSI / RSCP : 6 (-101 dBm)4. Check out whether the SIM card is recognizednetsh mbn sh read int=*Output: C:\Users\user>netsh mbn sh read int=*The given interface is not present or not a Mobile Broadband interface.5. What are the card USB IDs and current mode:double click on the "Sierra Wireless EM7345 4G LTE", Details tab, Option list, "Hardware ID" item. The values is in the field below. Output: USB\VID_1199&PID_A001&REV_1729&MI_0... Read more

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