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The battery installed is not supported by this system and will not charge - ThinkPad T450s

Q: The battery installed is not supported by this system and will not charge - ThinkPad T450s

After a long journey, both batteries in my T450s were flat, and this morning when I plugged in and booted up I got the message that "The battery installed is not supported by this system and will not charge". True to its word, one of the batteries does not seem to be charging. These are the original batteries which came with the laptop when bought new from Lenovo. They have performed well since I received it, no problems to date, and no obvious reduction in performance. How can I get the battery charging again? Thanks for your help.

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Preferred Solution: The battery installed is not supported by this system and will not charge - ThinkPad T450s

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Dear sir i have a pc think pad t430 reference battery is 42T4912 AND I HAVE A PROBLEM WHEN I OPEN THE PC I RECEIVE THIS MESSAGE '' The battery installed is not supported by this system and will not charge. Please replace the battery with the correct lenovo battery for this system,''also i purchase another battery with reference 42T4911 but i receive same this message i think that the problem not in the battery but the problem in the system please i want your help

A:The battery installed is not supported by this system and will not charge. THINK PAD T 430

The batteries with p/ns you have been provided are not compatible with t430. Because of t430 needs new design batteries with special chip for authentication.
Lenovo PSREF (regarding t430):
"Battery type: Lithium Ion 6-cell or 9-cell, supports optional Slice battery as 2nd battery, HW Authentication"
Those batteries you have are for the t420/t520/w520.

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I bought some batteries for the E430 notebook, the battery model is Lenovo L11M6Y01, however every time I turn on the notebooks the alert message appears:"The battery installed is not supported by this system and will not charge. Please replace the battery with the correct Lenovo battery for this system."I would like to disable this message, but I don't know how, I didn't find any options in the BIOS setup. I need support, thank you

A:Thinkpad E430: How to disable "The battery installed is not supported" warning from boot

There is no option.  The batteries on 3rd gen core processor-based machines (like yours) are different from the older ones.  The older ones are the same shape, but they don't work.

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I contacted Lenovol support and they send me a replacement unit. The the replacement unit has the same problem. Thinkpad Thunderbolt 3 docking station does not charge Thinkpad P51 battery.  I need to plug in the power adapter for both docking station and notebook.  Does anybody have similiar problem? 

A:Thinkpad Thunderbolt 3 docking station does not charge Thinkpad P51 battery.

Everbody's p51 would be the same.  The thunderbolt port won't work as a charging port.  The thunderbolt specs specify 100w max.  That's not enough.  Your thunderbolt port is not for charging.  To charge via the dock, you need a workstation dock, not a thunderbolt dock.  A thinderbolt dock can charge things like an x1 carbon (5th gen) or x1 yoga (2nd gen)

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I just turned on my P71 and Battery Not Supported message came up. I pressed ESC not thinking anything bad was wrong and the system booted normally. So after I setup my computer i checked the battery and it recognizes the battery statistics but does charge. It says battery not compatible with your system and will not charge message appears I removed and replaced it and turned on the laptop without AC adapter and the battery seems to work fine, but since its not charging I'm currently at AC power. Anyone know what is the cuase and a fix? I tried the power cycle method and removing the battery and reinstalling.

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IBM Thinkpad Series I 1200 (1161). Replaced the NiMH battery with Lithium Ion. Replaced the AC cord. When I look at Power Options, it says my battery is 3% charged. Won't run on either battery. Won't charge either battery. Will run with battery in or out. Ran fine many months ago with NiMH battery. Didn't use it for many months. Now the above problems. Any suggestions?

A:ThinkPad won't charge battery

You have to use the same type of laptop battery as the original battery. You might have damaged the charging circuits

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I bought a Thinlpad R51 - 1836 BBU used and with no battery. I bought a new battery, installed it and the battery drained completely. I sent it back and got a new one and also bought a new power chord. The battery and new power chord worked fine for two months. Last week the battery drained completely again (while plugged into AC chord).

Again I bought a new battery (extended life this time) and bought a docking station. I am now faced with the new battery drains everytime I use it. The power chord does not charge it. The docking station does not charge it either. I would like some questons answered:

Is it normal for the pc to have to be ON for the battery to be charged?

Does anyone know if there is any indication that the power chord is plugged in while the battery is installed? When on AC only, it shows plug - When battery installed (on battery only or with AC chord) computer shows on battery power.

Do the external battery charger units really work? this may be my only way of recharging my battery if not through the pc.

Any help would be greatly appreciated.


A:Thinkpad R51 won't charge battery

Hi gary

the PSU that plugs into the laptop, is it an original and does it supply the correct voltage and ampage, use the manufacturers website to determine this, i have seen many cheap PSU's cause battery problems on laptops.

the light configuration is different for makes of laptop having not had a thinkpad i cant answer that question, although im sure someone on here has.


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I have recently bought a new Thinkpad AC ADAPTER and a new 12 cell battery to my "Thinkpad T60 1953" notebook.

After i received them I pluged both new devices into the notebook but battery cant get charged!!...

Whenever i plug the new ac adapter to the notebook when is not turned on the lighst start blinking like: 1. orange battery and green litle plug lights appear, after a second shuts and apear green batery and green litle plug and after a second just apears the litle green plug lightened, this cycle continues until i take the plug of adapter from the wall socket.

ehn I turn on the notebook with the ac adapter there is always a beeping going on like the notebook is switching on and off intermitently with some seconds between the beeps. Here first theres a orange light with a green light when the notebook is switched on but after a second appears a green battery light then lighs go off and start all again. its very noisy.

I made two litle videos on cell phone i order for someone see whats happening when the notebook is turned off with ac adapter plugged and when is turned on with acadapter plugged:



I dont have the original lenovo software but windows 7 so i dont have maintanance battery check software but the battery is new bought on eBay and carger new as weel bo... Read more

A:ThinkPad T60: New battery doesn't charge!

Can you explain briefly what was happening that promted you to buy a new battery and AC adpter. Why did you think they both needed to be replaced?

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Hello, I'm new here. My laptop don't charge battery when the external battery is plug in. I saw many posts about thatIs this my battery or can i resolve it with drivers or software ?

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My T450 has an issue with the battery sometimes charges 100% but sometimes only 60% I already recalibrated twice but always got the same result if charge 100% only get 2 hours of charge. The battery has an internal and a extra battery that suppously gives me 8 hours in full charge. Is this an issue with the driver o with the battery? Thanks for the help.

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Hello all, Please forgive if this has been posted. I couldn't find an answer: I purchased a replacement for my battery, but on installation it wouldn't charge. I tried disabling AC and battery in device manager. I tried complete shut down and reboot. Couldn't get the new battery to be recognized. The old battery still works a bit, so I'm not in serious trouble. but with the battery going on a few years old, I wanted to replace before it left me stranded. Is there something that must be done to tell the system (Win 8.1 x 64 pro) to recognize that the battery is new, and to reflash the battery firmware and reset the driver? Simply replacing the battery didn't quite get the job done. Thank you for any response.

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Hello, I'm new here. My laptop don't charge battery when the external battery is plug in. I saw many posts about thatIs this my battery or can i resolve it with drivers or software ?

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I've got a Thinkpad 600E running WindowsXP, which has performed pretty well, although the original battery (understandably) just refuses to hold a charge very long any more - although it will reliably recharge when the laptop is running on A/C.

I decided to invest in a new (genuine) IBM replacement laptop battery, which upon receipt, just wouldn't seem to go into the recharge cycle. The recharge light (lower left screen hinge) only blinks orange. Assuming "defective battery", I requested and received a return merchandise authorization, and returned the battery and requested a replacement. The replacement arrived, and the same problem.

Although not outside the realm of reasonableness, it seems improbably that two consecutive replacement laptop batteries would be defective. Under power options, the replacement battery appears to be being recognized - although just not charging (graphic shows a "circle and bar" running through the battery image).

So, clearly (at least to me),

There's nothing wrong with my A/C adapter
There's nothing wrong with my existing (old) battery
There's nothing wrong with the battery charging circuitry

Again, this is a genuine IBM laptop battery, with the exact same model as the old one and it seems to defy reason that this battery also has some sort of defect. Any suggestions on a way to "kick-start" the new battery into recharging?

A:New Thinkpad Battery Won't Charge - Old One Charges Fine

You might see what lenovo support has in the way of manuals for that model, maybe some insight in one of them.


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Help please, I have a lenovo e430, buy a battery on ebay but I get the message: the laptop does not support this battery. I tried to update the bios but nothing happend. I added photos of the message, my computer and the new battery.  Is there any firmware or software that solves the problem?

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Warning:the battery not recommended for this system,the system will not be unable to charge this battery
I bought a new battery and nothing solved
And try another charger and not solved the problem
 i must work when he plugged in charger only and the battery fully charged and the light sign turn 2 times on yellow light and 1 time on LED light 
any suggestion for help ?

A:Warning:the battery not recommended for this system,the system will not be unable to charge this battery

System model?  Age of system?  Does the system correctly recognize its AC adapter?

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Laptop: ThinkPad S1 3rdGenProduct number: 20JK001CDSerial number: MP1CT4LMBIOS: R0HET41W 1.21Is it possible to configure battery charge thresholds for my laptop?I can't see any settings in Lenovo Vantage about this function.Another problem:I can't find my laptop on Support web page, I tried to search by product number, by serial number, no result.Thanks.

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Hi there, I just got my new Thinkpad X1 Tablet (gen3) and got some problem when using Battery Charge Threshold in the Lenovo Vantage app. I have set the Threshold to stop charging at 80% and start charging again at 75%. It works at first, for a few days I guess, and suddenly during the lunch time today, I locked the X1 Tablet (battery level 78%), going out for lunch, then I come back and the battery level is 100%. I then opened the Lenovo Vantage app to check, and Battery Charge Threshold is disabled. I have no idea completely, why this settings was messed up, I didn't open the Lenovo Vantage app and the setting was cleared. Can anyone help? Thanks.

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Thanks for visiting this thread and any advice you have.

The Laptop this is in regards to is a TOSHIBA A205-S7468 (not the C855 of my specs).

I'm finishing a few upgrades on this older, backup of mine (replaced screen, RAM upgrade, clean up) and the battery was in need of replacement. So, I purchased a new replacement on Ebay (I know, right) and it is working ok, but there has been a few red flags.

There was a brief episode with battery level and charge status, but I seemed to correct it by following some instructions on other threads here. It's now stable and 100%, HOWEVER, it reports it has 25% wear level and will only charge to 100% using 75% of it's capacity.

I've uninstalled (and then scanned for hardware changes) the Microsoft ACPI-Compliant Control Method Battery Driver (this seemed to straighten out battery level/charge status flags). Checked and made small recommended changes to power saving option (critical level, etc...). Drained it completely and recharged fully (per instructions).

Just wondering if anyone has any thoughts or advice as to why a new battery would be limited to 75% capacity (and be 100% fully charged)??

Here are screenshots:

A:Installed new Laptop battery, 100% charge, but 25% wear level? Help

Did you calibrate the battery as described in this article:
How to Calibrate Your Laptop
(Scroll down to "How to Manually Calibrate a Battery")

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When I switch on my laptop today, I got the warning "Warning battery cannot be identified. System cannot charge the battery." If I plugin my adapter, laptop is running on AC power, if I remove the plugin, laptop is turned off. I have downloaded latest BIOS update but still the problem persists.
Details: Dell Inspiron 3521, Windows 10, latest BIOS V14.
Please help!

C.S Harsha

A:Warning battery cannot be identified. System cannot charge the battery.

Is the battery OEM or an aftermarket battery?  How old is the battery? I know of Windows 7 OS having issues with recognizing some batteries and were relatively easy to fix.  I do not know if it carried over to Windows 10.  I will have to look up the article to find any relevance.

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I have regualrly run a System Update for my computer via Lenovo Companion and I've managed to have all updates successfully completed - all except for one. Lately, I have runs of Updates where I encounter an update for Synaptic UltraNav Driver, run it, but comes up as being unable to download and install - in spite of a successful initial download. Since its encounter a couple of weeks ago, I have been unsuccessful in fully downloading and installing this specific Driver for my computer. Is there any indication of issues for this Drive? And what should I do to resolve it? Also, if the Driver can't be properly updated, what is its purpose for my system? Any form of help concerning this Driver update issue would be appreciated.

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My friend wants me to install XP on a Pavilion 6730. The HP site states that this system will not support any OS except Win98. Is there something that can be done to this machine to run XP?


A:can XP be installed on non-supported system?

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I have a ThinkPad T450s purchased in Dec 2015 with Windows 10 Pro. It has the Intel AC 7265 wireless adapter. I am trying to use the Windows hosted network feature to use the laptop as a hotspot for other devices but I cannot get it to work. When I open a command prompt as administrator and run 'netsh wlan show drivers', the setting 'Hosted network supported:' is set to 'No'. I have tried updating the wireless adapter driver via the Lenovo Companion tool, via the Intel Driver Update utility, and via Windows through the Device Manager. The wireless driver was updated to version 18.330.1 dated 2016-01-05. I then rebooted the machine but still no improvement. The hosted network feature still shows as not supported. I also tried showing the hidden devices in Device Manager but under Network adapters there is no Microsoft Hosted Network virtual adapter listed. Is this a driver issue? Does anyone with a T450s show hosted network as being supported? Thanks

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I installed a "spare" battery that I picked up at local computer show. Initially it had a 2% charge. After I plugged in the power supply, it steadily built up [things went from orange to green].

However, when it reached 74% it stopped charging !! I pulled the plug and ran the battery down to 50%. But when it reached 74% it stopped again.

The little green battery symbol [on the hinge] has stopped "blinking" ??

How can I get a 100% charge into the battery ??

NOTE: I posted this on Thinkpad forum and got "zero response".

A:T21 Thinkpad - "Partial" Battery Charge

Chances are it is suffereing from the "memory effect" as they do after a while. Batteries do not have an infinite life and this is one of the first indications that it is getting tired. You should discharge it down to nearly zero and recharge it a few times to see if it recovers (unlikely)

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My laptop kept coming up with this warning during booting.

"Warning: The battery cannot be identified. This system will not be unable to charge this battery". What is the implication of this warning and how do I fix it. Thanks for assistance in advance.

A:Solved: System Cannot Identify Battery and Unable To Charge It.

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I have a yoga 260 that would not charge the battery when plugged in. I tried a different charger which didn't work and then replaced the battery but also no luck. I sent it to Lenovo and was told I need a new system board which was going to cost around that of a newer laptop. I decided to replace it myself with a refurbished board as I've done this on an old computer in the past. With the install complete it can get some charge to the board because it tries to start up but I am getting 2 short beeps with nothing on the screen. I realize this usually means there is a system board issue. I've rechecked all the connections and everything 4x so I don't think it was an install problem. Is there something else I need to do or did I just buy a bad refurbished board?

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I can't believe this is an unsolvable issue...
my Studio XPS1340 isn't that old...
and my battery was replaced by warranty a little over a year ago...
it was charging fine...then suddenly, when I rebooted, I got:

WARNING: The battery cannot be identified.This system will be unable to charge this battery.Press Any Key to ContinuePress <F2> 2 times to enter SETUPPress <F12> and Any Key to enter Boot Menu
Do I just need to replace the battery?

A:WARNING: The battery cannot be identified. This system will be unable to charge this battery. Press Any Key to Continue Press <F2> 2 times to enter SETUP Press <F12> and Any Key to enter Boot Menu

I apologize for the inconvenience caused to you. You can follow the steps below:
Drain the residual power of your computer and recaliberate the battery by following the steps below:

Power off your computer. 
Remove all the external peripherals  (printers, scanners or any other USB device) connected to your computer.
Please remove the AC adapter and battery of your computer. 
Press and hold the power button of your computer for 10-15 seconds to drain the residual power. 
Release the power button
Keep the battery out for atleast 2 - 3 hours.
Then insert the battery and charge it overnight with the system powered off.
Insert the battery in and connect the AC adaptor.
Then power on the computer and see if it works.

If the issue still persists, you can update the BIOS of the computer.
Note: Make sure the ac adapter is connected and the battery is charged 10% or above to update the BIOS. Also, disconnect all the external peripherals before updating the BIOS. All the programs should be closed and documents saved.

Click on the below link: http://dell.to/Th8z4k
Click on “Download File”.
Select “For Single File Download via Browser”.
Click on “Download Now”.
Save the BIOS on your desktop.
Once the BIOS is downloaded on the desktop, right click on it and select “Run as administrator”.
Follow the prompts on screen and restart your computer.

 Please reply with the findings.

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After my friend's laptop wouldn't run on battery power OR charge the battery I tried many "fixes."
Shockingly none worked that I found.
Only one thing worked for me to my surprise.
A last ditch effort was to open up the laptop (sony pcg-81114L) and disconnect the cmos battery for a few minutes to reset the CMOS.
To my surprise, when powered on, the battery instantly showed it was charging AND when removing the power plug the battery POWERS the laptop now! (and I'd thought I was wasting my time.)
Worked with an off brand battery also.
Many times this has saved many computers that have odd "unsolvable" things wrong with them.
Surely someone else has done this also but I haven't seen it posted anywhere to my knowledge.
Thank GOD for bringing the idea to remembrance!

A:sony vaio won't charge battery or run on battery power (CMOS BATTERY FIX!)

Hi askfault,
Do you have any information on how this fixes the battery problem? would be interested to know.

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As I understand, hardware fde works by using a media encryption key that is stored in the disc controller.  Access to this key is controlled by a key encryption key which the user should be able to set.  (Without setting this key, fde is pointless as the drive will boot without any user intervention). How does one set the key encryption key on the T450S?  And can it be configured so the key has to be re-entered after the wakes from sleep or hibernation, as well as at boot time. Thanks,

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Hi all, I want to know if the same issue happens to you. Well my thinkpad t450s becomes hot while it's connected to AC adapter.The laptop still new, and I've been strugled with this problem for awhile, the laptop becomes very hot prevents me to hold it.I don't know is this normal, if not what you suggest me to do? Thank you

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I can't find anything that looks similar or even a part online ( troubleshooting ).Is it built in to the LCD screen itself or is it on the laptop like most are?


Go to Solution.

A:Where is the LCD Inverter for the Thinkpad T450s?

CalebNelson wrote:
I can't find anything that looks similar or even a part online ( troubleshooting ).
Is it built in to the LCD screen itself or is it on the laptop like most are?

Good day.
I believe the panel is LED-lit, therefore no inverter. There is no mention of an inverter that I can find in the HMM, either: https://download.lenovo.com/pccbbs/mobiles_pdf/t450s_hmm_en_sp40g54937_01.pdf

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Introduction The ThinkPad T450s is one of the best new ultrabooks. While it's not as thin as some, it's still quite compact, and much easier to service than thinner machines, and the Full HD IPS screen is a standout feature.This review is based on a production ThinkPad T450s, Machine Type 20BX, Product ID 20BXCTO1WW. Intel Core i7-5600U ProcessorWindows 8.1 Pro 6414.0" FHD (1920 x 1080)720p HD CameraIntel HD Graphics 55004 GB DDR3L - SDRAM 1600MHz BaseFingerprint Reader500GB Hard Disk Drive, 7200rpm, 2.5"ThinkPad Battery 3 cell Li-Polymer (23.2Whr) FrontThinkPad Battery 3 cell Li-Polymer (23.2Whr) RearCountry Pack 45W AC adapter United States (2pin)Intel 7265 AC/B/G/N Dual Band Wireless + Bluetooth Version 4.0After receipt: 4 GB Samsung SO-DIMM was installedHard disk was replaced with 1 TB Samsung 850 EVO SSD.ConstructionQuality of T450s construction is not up to old ThinkPad standards, with some obvious cheapening, but is still pretty good. Annoyances include the difficulty of prying off the bottom cover (after removing 8 screws) to get to the inside, and fingerprint-revealing textured plastic instead of the old rubberized finish. But it's quite solid, no flexing, and quite compact.ConnectivityPort layout is reasonably good on both sides with nothing on the back. All USB ports are 3.0 with excellent performance. But Mini DisplayPort means you may have to buy and carry an easy-to-lose dongle. Wi-Fi performance (Intel 802.11ac 2x2) seems better than earlier gene... Read more

A:ThinkPad T450s Review

Belkin Mini DisplayPort to HDMI Adapter is available at low cost from B&H.

Hope that helps,JohnThinkPad T420s [ i7-2640M | 16GB | 1TB SSD | 1600x900 | 802.11n | BT | Cam | FR | Win8.1Pro64 ]

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Hello everyone,I used the Lenovo service to reinstall my Thinkpad T450s which is blocked despite all attempts.For that they sent me the 3cd restoration.The problem is that the T450s does not have a cd drive, so how?Can anyone give me the way to operate to give windows7 Pro and the rest on the existing SSD dd.Thanks for your help.

A:Restore a Thinkpad T450s with 3 cd

It may not have a DVD drive, but it surely supports USB DVD drive. As your friends - maybe someone have it already.If not, then you might consider buying one - they are rather cheap. 

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What can I do if my battery won't hold a charge or simply won't charge?

A:Battery won't Charge or Battery won't Hold a Charge

Best thing to do is to first understand some of our battery technology - check out this document: HP Notebook PCs - Understanding Lithium-Ion and Smart Battery Technologyhttp://support.hp.com/us-en/document/c00596784  Then to test your battery follow the instructions in this document: HP Notebook PCs - Testing and Calibrating the Battery (Windows 10)http://support.hp.com/us-en/document/c04700771

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I have thinkpad t450s and it has sim slot but when i inser the sim it does not detect or recognize nothing is shown,this is the mechinetype 20B  and product is 20BW000DMN, is there anyone who has an idea about this problem. ThanksMo

A:thinkpad t450s sim card does not detect

Good day and welcome to the community.
Looking at: http://support.lenovo.com/us/en/products/Laptops-and-netbooks/ThinkPad-T-Series-laptops/ThinkPad-T45...
specifically, the Machine Info section:
Processor: Intel Core i7-5600U Processor(i7-5600U) | Memory: 4GB DDR3L 1600 | Operating System: Windows 7 Professional 64 preinstalled through downgrade rights in Windows 8.1 Pro 64 (EN: English, FI: Finnish, SV: Swedish, DK: Danish, NO: Norwegian) | Hard Drive: 256GBOPAL2.0 | Wireless Network: Bluetooth Version 4.0; Intel Wireless 7265AC(2x2)+BT4.0 M.2 Combo | Ports: 1 integrated VGA port; Ethernet; Microphone/Headphone Jacks; Display Port with Audio, MiniDP; 3 USB 3.0 | Camera: 720p HD Camera | Monitor: 14.0 FHD | Included Warranty: 3Yr Onsite Intl
I don't see that there is a WWAN card listed as part of the defined configuration. Did you add a card after purchasing?

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I recently bought a Thinkpad T450s with the default TN 1600x900 screen. The screen was not bright enough to use it outside, so I decided to buy a replacement IPS 1920x1080 screen on Ebay and install it myself. I ordered this screen, which was supposed to be an LG LP140WF3SPD1 with the max brightness of 300 nits, but the seller sent an Innolux N140HCE-EAA, which only has a max brightness of 250 nits. Needless to say I am disgusted with the deceptive advertising of the seller "laptop_screen" so I want to alert anyone else who is shopping for a replacement screen to avoid this seller on Ebay. Apart from that, I want to let everyone know that the Innolux N140HCE-EAA screen will work in the T450s and the viewing angles are good. I don't have enough experience to be able to say whether the color quality is good or not, but I can tell that the screen isn't very bright.In Windows, the N140HCE-EAA does not allow me to change the brightness of the screen, because the data in the screen's EDID does not match what the laptop expects.  I have read online that this problem also occurs when installing the LG LP140WF3SPD1 in a T450s that originally had a TN 1600x900 screen, so this isn't a problem with the N140HCE-EAA part. In Linux I can adjust the screen brightness since Linux ignores the EDID data when setting the brightness. Since I use Linux, I have no problems, but this is a problem for Windows users. I have not tried to overwrite the EDID data, so I don't know whether the ED... Read more

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 hello, i have an t450s about 2 weeks. so it was all fine, until yesterday. now some buttons refuse to work (even in BIOS), to be more precise (M, N, H, G, T, R, F1 and arrow keys), the rest work just fine. my FRU is 04x0151. do you have any ideas what it could be?

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Der Lenovo Community I started having this Problem a few months ago. That half of my Laptop has Lines over it. I searched everywhere on the Internet but have found no reason or explanation for it yet. If you need any Infos Just write Down below what you want Please Help

14820077757151935267418.jpg ?1197 KB

A:White Lines on Thinkpad T450s

The contact tape is loose or delaminating on the connections on the rear of the panel.  Do you have a warranty?

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I purchased my t450s but after i used it for two months. one morning the screen started blinking for about a minute and after that is does not display anymore. It works when connected to an external monitor. I tried all that I could but the screen won't display

A:ThinkPad T450s screen does not display

Hi Senyo,
Welcome to Lenovo Community! And happy to have you here.
As I understand that you are facing issue with your display in T450s.
Looks like you have a bad LCD panel & it needs to be changed so better contact Lenovo & replace under warranty.
Also you can try moving the LCD lid at certain angle whether display is coming or not.
I hope the above information helps.
Please feel free to post in Lenovo Community Forums if you have any further queries!
Regards,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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I'm struggling to identify whether my T450s is compatible with Samsung's 970 PRO SSD.  I am looking to upgrade my hard drive yet I am unsure whether or not this item is compatible with my device. Does anyone know whether this SSD is compatible with the T450s? Thanks in advance.  

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Hi! I have bought a T450s with Win7 and a ThinkPad USB 3.0 Pro dock recently and I have had some problems with the dock.BIOS and drivers are up to date on the computer and the dock can work sometime but only when the dock itself installs drivers from Windows update. If I disconnect the dock from the computer more than a couple of minutes it won't work again, it shows up on Devices and Printers but the external screen, ethernet, mouse and external keyboard wont work anymore. What I've discovered is:- When the dock works there is atleast 5 different things listed under the hardware tab of the device (can't remember what, and I can't get it working again)- When it's not working but the dock shows up on the Device and Printers there is only 2 things listed under the hardware tab, USB 2.0 nav and USB 2.0 nav. These are also listed there when it works.- I don't know why the dock doesn't run on USB 3.0 at any point.- When the dock works I can't update the firmware, it just says "No device found" when running the firmware update. What I've done so far:- Completely removed/reinstalled all drivers several times- Checked that BIOS is up to date- Checked in the BIOS if USB 3.0 is enabled- Sent the dock back to Lenovo and have gotten a new one, still same problem.Anyone have some ideas of what's wrong? Google and I'm running out of ideas..

A:T450s and ThinkPad USB 3.0 Pro dock issues

I hear you. I have the same problem with a T460s. And so far i have done the same thing. However, it's working on other 2 computers same model without a single error. And also i have a Toshiba Windows 10 computer, that I just plugged in and the drivers were downloaded through Windows Update quick, it was completely a plug and play experience.  But on Windows 7 doesn't seems to work... I don't know what's going on. It still shows up  as USB 2.0 hub 

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buenas tardes mi lenovo tiene entrada de sim la cual no reconoce le meto un chip y no entra a internet cual seria la solucion ayuda 

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Video freezes when the laptop is on battery, when moving mouse it continues to play. Audio plays all the time. Overall performance slows down terribly. Windows won't close or open until move the mouse. Videos won't play on 3 Web browsers and if plays from hard disc

A:Lenovo thinkpad t450s won't at video when on bat...

do you have anti virus installed? also have you updated the drivers, and the bios?

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