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Thinkpad T400 battery issue!

Q: Thinkpad T400 battery issue!

H all, I am having issues with my battery on my T400. The orage light started flashing when I installed windows 10.In the windows task bar it shows: plugged in and charging.When I remove AC power screen flashes 'battery critically low' and turns off.I have purchased a new OEM 33+ battery and still no change apart from windows task bar shows: plugged in and not charging. Does anyone know what could be causing this issue??? Many thanks in advance dan

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RELEVANCY SCORE 200
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RELEVANCY SCORE 76.4

First, my t400 would only boot with power cord unplugged. Then it stopped booting altogether. I read to press the power button 10 times and hold it on the tenth time and to unscrew the palm rest to unplug the little battery for 30 seconds. That is the only way I can get it to boot now. I picked up a new regular battery today thinking it might be related but that hasn't solved it. Any ideas?
 

A:thinkpad t400 wont boot w/o reseting little battery behind palm rest

I looked at it closer and to get it to start i don't press the power button at all. I unplug the power cord and after unplugging the CMOS battery for awhile i just plug the power cord back in and it starts up. The first thing i see as it starts up is an error message about a bad CMOS checksum and then i have to change the date/time in the BIOS or it yells at me to do it. After all that it boots into windows 7. Once it is in windows no matter what i do to change the settings of what the power button does it still doesn't do anything. I can restart it fine but once i shut it down it the CMOS battery needs to be reset to get it going again.
 

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RELEVANCY SCORE 75.6

Now, I suspect that the inverters are fine and I'm wondering about the LCD switch or LCD cable. I suppose I could just buy a cable, but before that, I wanted to take a step back and try to figure out if I'm overlooking anything. I've not been able to find a picture or location of the t400 lcd switch in either the lenovo hardware manual for the t400 or elsewhere online.Hi,I've got a thinkpad t400 with CCFL backlight. I recently replaced a bad LCD (the backlight was working at the time) with a new one. However, while the new screen works, it's backlight did not. I ordered a new inverter and plugged that in - still didn't work. I grabbed the old screen's backlight and tried it with both inverters - did not come on. I then grabbed another laptop I have and plugged in the old screen's backlight - it came on. Plugged in the new screen's backlight (while lcd was still plugged into the thinkpad), it's backlight came on.So, I know both backlights are fine, and suspected I just had a crappy inverter. I got a replacement new inverter and it still doesn't work. Tried new lcd and old backlight with all three again, no dice. Backlights still turn on when connected to spare laptop. So I now suspect the inverters are fine. I noticed that the laptop no longer goes to sleep or hibernation when the lid is closed. I changed the power settings so that it should sleep or hibernate, tried each power mode and it still refuses to do so. So I think the issue is with the switch that detects when t... Read more

A:Thinkpad T400 Backlight Issue

Did you ever figure your problem out.  I have the exact same issue...  Thank!

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RELEVANCY SCORE 75.6

Ok so I know this is everywhere. But mines is a bit different.......When I start it up, the icon lights light up and I feel my laptop turning on a bit. Sometimes it'll turn on then switch off but always turning it on.....the thinkpad logo does not come up nor does it beep at all. Could it be because a day before when it was dying I shut it off and shut my laptop too quickly and caused an issue?  I also upgraded to windows 10 recently.  I already tried the battery and AC take out method so I don't know what to do.  and I just bought this from a friend of mine and it was working incredibly great an this happened.

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RELEVANCY SCORE 75.2

Hello,  I'm having an issue on my T400 (Windows 7, 32 bit) where the laptop shows that it is plugged in but not charging.  I've tried the usual steps with removing the battery from device manager and rebooting, but it doesn't seem to work.  I've also tried using a different power supply and I still get the same result.  I also get the beep when I plug/unplug the power.    The computer will run with just AC power connected to it and it does seem to run on the battery.  I didn't run it too much because the battery is at about 12%.  Will a new battery fix the issue?  I got the laptop as they were getting rid of it at work, the battery has been working fine for almost a year and I just noticed the issue the other day.  

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RELEVANCY SCORE 61.2

 Hello I've been having trouble getting more than 3-4 hours of batery life on my X1 Extreme (i5) I usually have it on less than 50% brightness and on power saver mode turning off the 1050ti doesn't seem to affect the battery life, all intel hd settings are set to max battery and monitor is even running at 48hz to conserve battery.all the settings i can find are on maximum battery, does anybody know why this is?I thought that I was supposed to get even more battery life than just 3-4 hours... BIOS version is N2EET41W (1.23)embedded controller version is N2EHT26W (1.11) EDIT: power usage never seems to go below 13w

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RELEVANCY SCORE 60.4

Hi Folks,I was using windows 7 and set battery thresholds to stop charging at 50%, then i decide to format Hard Disk Drive and install windows 10, after installation OS and Latest Drivers including Power Management Driver i noticed that battery thresholds still stop charing after 50 % !!! any help plz, also i tried to install power manager but it not supported in windows 10   Thanks in advance.

A:Thinkpad S440 Battery issue

Hi Mandoesa,
  Welcome to Lenovo Community! And happy to have you again.
 
As I understand that you are facing issue with Battery Threshold in your ThinkPad S440 on newly installed Windows 10 in it.
Lenovo Power Manger will not work in Windows 10, it is being replaced by Lenovo Settings. Also refer to this article for further information
 
I hope the above information helped you.
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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RELEVANCY SCORE 60.4

Hi All, I have thinpad P1 Gen 2 (4, i7 Hexacore) which for 1 month now. The battery is draining really quick. Even with only browsing (on chrome) and notes taking with oneNote it is only giving a battery time of approx 3 to 3.5 hours maximum if i am lucky. I tried that old trick for disabling/enabling the Graphics card from device manager but it doesn't seem to help much. Any ideas or suggestions will be highly appreciated in this regards. Best Regards,Muhammad

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RELEVANCY SCORE 60.4

Hello,I have a user here who has a T460s laptop who's batteries are no longer holding a sufficient charge. Pretty sure the laptop has 2 (internal) batteries. When the use takes the laptop out of the office, it's losing power afterabout an hour, maybe an hour and a half. After an hour, I was able to open a chat session with a tech, who said if we clicked on the battery icon down in the sys.tray, there'd be an indicator if the battery/batteries were bad. However, we did that and there is no such indicator oralert. Clicking on the same batttery icon and then clicking on Battery Settings, there are no notifications posted in the windowthat opens giving any indication of any issues with the batteries. Despite that, the batteries no longer retain the charge they once did. Is there any onboard diagnostic that can be run to determine which, or both batteries are bad?  Or any other locationwhere there might be helpI need to weigh the cost of replacing the batteries vs. having the user get a new laptop. Thanks very much! Jim

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RELEVANCY SCORE 60.4

Hello, dear community. Yesterday I got this message when turning on my ThinkPad E560:"The battery installed is not supported by this system..."Therefore the laptop does not turn on without a power cable attached and shuts down immediately if I unplug the cable after it booted. The thing is that I only have a genuine battery that was delivered with this laptop. I bought this laptop only 2 weeks ago, and it worked perfectly fine until now. Any suggestions? 

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RELEVANCY SCORE 60.4

Hi all, It has been about a month since I received the new X1 Extreme, and it has been quite good so far, but today, for some unknown reason, I've run into some apparent battery issues. I charged my computer overnight yesterday, and when I tried using it in class today, it wouldn't start. The red light on the ThinkPad logo wasn't flashing at all, so something was off. I tried turning it on many times, but nothing happened.  When I came home, I plugged it in and it allowed me to turn it on, but it was stuck at 46% charge and wouldn't move (even after an hour - a period of time sufficient to charge the computer up to 80%). Then, as I was writing this post, a loud 2 bell ringing sound came on and the computer shut down. When I started it up again (connected to the AC adapter), the Lenovo Vantage battery icon displayed an "X" and the Windows battery appeared empty. I made sure to back up everything and updated BIOS and other drivers just in case, but nothing seemed to work. If I disconnect the AC adapter, the computer immediately dies. Like this, the computer is no longer useful to me since I need it on the go.  I'll contact Lenovo support once my schedule frees up a bit, but if this has happened before and you've found a solution, I'd like to get this back to normal as soon as possible. Thanks,  Reilly 

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RELEVANCY SCORE 60

Hello, I have an issue switching on my laptop since two days ago and I am not sure if the problem is with my laptop's external battery, the motherboard or the power charger. My laptop model is on the list of laptops affected by lenovos battery recall so maybe the issue is with the battery. But then theres also this:- With the external battery in the laptop and the charger plugged in, the laptop powers up and displays "Error 0190 : Critical low battery error" and then switches off.  I looked this error up in my laptops manual and it says that I should replace the system board-The laptop also doesn't run with the charger plugged in and the battery removed, so does this mean the charger is broken as well?

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RELEVANCY SCORE 60

I'm supporting T460s and T560s for my job and in the last month have had 3 battery issues occur out of no where. I'm using Windows 10 64-bit. I'd like to find a solution from the forums or at least a way to find what is causing this so I can plan for other laptops to go bad.  In the last month, I've dealt with 3 Thinkpads that have had a sudden change of heart about finding Battery #2. Nothing special happened. I booted, looked at the system information to see if this one has the specs to setup for a specific user and BAM - "Battery 2 not found". I was really hoping to get this all setup and out to a user who's using a 5 year old laptop.  I've ran Lenovo's System Update; I've updated Windows; I've downloaded the Power Management software from Lenovo yet still this battery is not found. I took it apart to ensure the battery was seated correctly. I re-imaged it from an image from last summer. Nothing.  Are these faulty batteries? Does that battery recall need to be expanded again? Is it the Motherboard? Is this a string of bad luck? How do I identify what the cause is? I refuse to believe this is coincidence. 

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RELEVANCY SCORE 60

Ordered new battery - they sent me a T410 battery (which it is compatiable with T410/420/430.  But it will not work in my computer or another computer in my officej.  It will work on a T420 though.  What should I do...
 
 
Moderator comment: Serial number(s) removed from subject to protect member from mischief. Detail also added to subject for clarity.











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A:ThinkPad (T430) battery compatibility issue

HelloThe batteries for T410/420 are not compatible with T430, even Lenovo genuine ones. Because of T430 features hardware authentification of the battery installed. The batteries for old laptops like T410/420 don't have such features (authentification chips inside). This chip missing causes the battery being installed in the T430 can't be charged.So, you have to purchase Lenovo original battery for T430.
 
UPD
Lenovo original batteries for T430 are backward compatible with T420

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RELEVANCY SCORE 59.2

I honestly have no clue what could have caused this!  I turned it on this morning & it was stuck on the booting screen. It read "ThinkPad" in large letters followed by "To interrupt normal start up, press the blue ThinkVantage button." I waited for about a half hour for it to boot & it never did. I of course pressed the ThinkVantage button & to my dismay...nothing happened. Afterwards, I unplugged it & removed the battery pack. I then plugged it back in & attempted to start it up again. Once again, nothing. I unplugged it again & attached the battery pack. At that point I tried starting it up again and N O T H I N G!  What do I do?!













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A:My ThinkPad T400 won't boot!

have a look at your usb ports, there could be some sort of pins touching, as the result of damaged usb pins.
 
 
ADMIN Edit - Link to related tip in our forum KB
 

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RELEVANCY SCORE 59.2

I have got refurbished laptop which is in amazing condition  just like new. I am going to upgrade my laptop with RAM and SSD.Laptop description. Intel Core 2 Duo CPUP8600 @ 2.40 Ghz2GB RamWindows XP 32 bit Pro RAM:-I am trying to upgrade the Ram with 8 Gb and will also upgrade with windows 64 bit 7 From lenovo site they have recommended  PC3-8500 1066MHz DDR3 But from Crucial site after scanning my laptop from their tool they have recommended: PC3-10600 1333MHz DDR3even many people have installed this Ram in there laptop and it works. Which is one more suitable ?... SSD: Which one is best?: Crucial M500 120GB SATA 2.5-Inch 7mm (with 9.5mm adapter) Internal Solid State Drive CT120M500SSD1  Samsung Electronics 840 EVO-Series 120GB 2.5-Inch SATA III Single Unit Version Internal Solid State ...  Samsung 840 Series 2.5 inch 120GB SATA III internal Solid State Drive (SSD) MZ-7TD120BW   













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A:thinkpad T400 Ram Upgrade

RAM: You need a minimum of PC3-8500 1066MHz DDR3. However faster chips like PC3-10600 1333MHz DDR3 or PC3-12800 1600MHz DDR3 will work fine as well.
 
If there's little or no difference in price I'd buy the faster memory. The reason is that if I upgrade to a new(er) notebook it's more likely the RAM will work at full speed on that system.
 
Note also that while you can upgrade to a maximum of 8GB (2x 4GB) with a 32-bit OS like WinXP-32 you won't be able to utilize more than 3GB.
 
SSD: Any of the drives you've listed will work well. 
 
 
 

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RELEVANCY SCORE 59.2

Its going for 80 on eBay, so I was wondering if I should get one. From my research it seems like a good laptop but I've got no info on how good the battery life is. I'd really not wanna buy a battery that sticks out from the back. So is it worth buying? How good is it from people who have had experience with it? 

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RELEVANCY SCORE 59.2

Hi, I've searched the forums and elsewhere online, and I can't find any real help for this issue. I'm running Win 7, and I have the most up-to-date drivers from the Lenovo site. I have turned on loudness equalization, but it has not helped the problem. This is an across-the-board problem. What I mean by that is, this problem persists regardless of the application, which I happen to be using. For instance, I use Media Player Classic: Home Cinema to watch movies. If the volume is at 0%, as I begin adjusting it upward, the volume level rises. However, as I reach about 70%, the volume stops increasing. There are audio adjustments w/in the application to boost the volume, but they serve to provide minimal effects. Overall, the volume is incredibly low. If you're sitting more than a few feet away from the laptop, it is inaudible. I don't know what else to do, and I was hoping that someone might offer some assistance. Thank you.  Jeff













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A:Thinkpad T400 Volume Too Low

Welcome to Lenovo Community! jmg999
 
How about uninstall your current Conexant driver and install custom Dolby driver from my signature link? It should help to boost a lot. In fact, T400 speakers are louder than other new T-series speaker.
 
Peter  
W520 (4284-A99)
Does someone?s post help you? Give them kudos as a reward, as they will do better to improve | Mark it as solved if the solution works for you, so it could be reference for others in the future | Please do not email me regarding technical problems, you could post it in the forum
=====================================
Sound Enhancement (Post comments, share mixes, etc.)
Dolby Home Theater v4 ; IdeaPad Slate Tablet

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RELEVANCY SCORE 59.2

I just flashed me eeprom for some reasons, but now my think pad is not booting properly , it goes in bios automatically and after some time turns off.

A:Thinkpad t400 notbooting

Hi Punittiwari3353,
 
Welcome to Lenovo Community!
 

Have you checked it individually with battery and without battery?
Did you check with different power adapter or with different power socket?
Is the CPU fan running with regular speed?
Boot the system into ?Safe mode? and check if the issue persists there also?

Hope this helps. Do post back if the issue persists!
 
Best regards,
Hemanth Kumar





Did someone help you today? Press the star on the left to thank them with a Kudo!If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.Follow @LenovoForums on Twitter!

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RELEVANCY SCORE 58.8

Hi,I have ThinkPad T400, which isnt supported on lenovo sites anymore and have problems with drivers or updates BIOS system, cant find nothing safe. I  have Windows 10 32-bit and works with small problems, but works quite good. But can try update BIOS for better results. Thank you very much.

A:ThinkPad T400 - BIOS update

you should be using the 64-bit version of windows 10 as for a BIOS update, the T400 is ok with the original one, the link is provided for the thread if an update is desired https://support.lenovo.com/ca/en/downloads/migr-70350  

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RELEVANCY SCORE 58.8

I ordered a Thinkpad T400 quite awhile ago, but was gifted a Thinkpad X220 shortly after that I fell in love with and almost exclusively used, I went back to messing around with the T400, and it randomly dies when running on battery power. I bought a brand new battery from Lenovo and it's still having the same issues, should I replace the motherboard or could there be a better alternative to this problem?Any and all help will be appreciated!

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RELEVANCY SCORE 58.8

I have a thinkpad T400. Couple of months ago the problem started. I could not shut it down it just keep re-booting. I had to press and hold the start button to shut it. Now it won't boot at all. It beeps 1-3-3-1 and just sits there. When I press start button all lights come ON for a while and after only battery , AC and Ready lights stay ON. Here are few things I did so far without any luck: 1. Removed battery and AC adaptor waited few minutes put it back - same problem2. Removed CMOS battery. DIMM cards waited for ten minutes replaced - same problem tried with swapping  DIMM cards - when I put only one card on top slot it says put the card on zero "bottom" position. After placing the Mem card on the bottom slot no thing happens. It beeps again and sit. When I checked in the manual it says either DIMM or System board. I do not know which one is giving me the problem. I just do not want to replace all parts without knowing. Can any body help please or had similar issue and solutions if you managed to solve it. Thank you. Roshni

A:Thinkpad T400 won't start just beep 1-3-3-1

If you tried both DIMM cards you have in the bottom slot, it sounds like tyhe system board, assuming they were seated correctly

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RELEVANCY SCORE 58.8

I have a T400-2764 that I have upgraded to Windows 10.  What do I have to download to have the best drivers and software for this system, like battery management, display management, and WiFi management???

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RELEVANCY SCORE 58.4

Why is there an SDcard slot in my T400 battery bay? What is it used for? Thanx!

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RELEVANCY SCORE 58.4

Hello, I am looking for a new battery for my T400.I see  7800mAh battery but the seller does mention it is for 14.1 widescreen.The product id 6475OP1G for my T400 is this a widescreen?The battery wich is fitted now FRU P/N 42T4653 Thanks in advance Mario

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RELEVANCY SCORE 58

It all started when I installed Win 7 after a Linux usage for a couple of months. First I thought it was uTorrent that screwed it up so I removed it but it still gave BSODs at least once a day. Haven't had the energy to do anything about it until now so now I'm asking you guys for advice how to get rid of it.
I have activated minidump in Control Panel > System > Advanced System Settings > Setting in Startup and Recovery > Small memory dump (256KB) under System failure.
Got a BSOD a couple of minutes ago but I didn't get a minidump output from it.

Attached the four debug reports I got from SF Diagnostic Tool.

Appreciate any help I can get,
Johan

A:Thinkpad T400 Elite. Get BSODs all the time

Can0n, welcome to SF. Please fill out detailed System Specs, found in your lower left corner.

Then, follow these instructions:

http://www.sevenforums.com/crashes-d...tructions.html

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RELEVANCY SCORE 58

I have a T400 ThinkPad upgraded to Windows 10 that suddenly had a blank screen and no lights except for wifi.On closer inspection I discovered the backlight is not lit during startup, whilst ThinkPad splash and window symbol are displayed but then, screen goes blank and then I hear the windows startup sound.Displays perfectly on an external monitor. I have replaced inverter, lcd cable and screen .... nothing works! I'm not sure if I should just resell the parts I bought and get another laptop .... can I transfer Windows 10 to another machine or is there another fix I could try? I don't have much money.Any help appreciated.

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RELEVANCY SCORE 58

Hi all -I know I am talking about a very old machine but I am hoping there is someone out there that would be willing and able to provide helpful  advice - some background -  in my dire need I purchased a 'refurb' Lenovo Thinkpad T400 from who now turns out to be an unreputable seller - I was silly enough not to worry about recovery disks or even a 30 day warranty - now I am paying dearly for my negligence.  This machine has had issues from day one that I thought I could work my way thru reading forums, Lenovo site etc. but nothing has worked.  My first challenge was trying to just get the right-click on touchpad to produce context menu - I searched and searched and reluctantly loaded 3rd party softwares to no avail.  I gave up on that only to discovered that when I loaded any antimalware program my cursor would not open that program nor would it open any other program on the machine. So I uninstalled the antimalware. So I can't really run to see if I have a virus.  To make a long story short right now NONE of the function keys work nor the THINKVANTAGE.  When I reboot and attempt to go to safe mode, bios utility I get nothing except opening up windows where sometimes the cursor will open a program or not and the trying to open programs from the start menu or the task bar is hit or miss same happens in the start menu and trying to open a browser.  I am running on Windows 7 Pro 64-bit and would like to go back to factory settings, but ag... Read more

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RELEVANCY SCORE 58

Hi everyone. I've a problem with mi Lenovo ThinkPad T400. The brightness is always at the minimum, and cannot be changed. But it is like when you close the laptop and the screens turns off, it is almost like that, I need a lantern to see what appears in the laptop, but besides that everything else works fine. If I connect it to an external monitor, then there is no problem, but you know, I don't wanna carry an external monitor with the laptop. Do you know how to deal with this? Thanks in advance!

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RELEVANCY SCORE 58

I put my Thinkpad T400 in hibernate, but next morning I could not boot. When I press the power button, the lights below the screen turning on and I hear the sound of the hard disk, and the turns off. I do not even see anything on the screen; it is just black. The process keeps on repeating in a loop, unless I press the power button to turn off. I have tried the static charge removing trick. I have also removed the hard disk put it back again, but did not work either.  Please help.










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A:Thinkpad T400 not booting, lights below the screen...

Solved the problem myself. Removed the internal battery and reinstalled it after 30 s. It worked perfectly. Typing from it now.  

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RELEVANCY SCORE 58

I have a IBM T400 Thinkpad win 7 32 bit pro OS and the taskbar just recently started flickering in "heartbeat" type of rhythm. I have updated the display drivers as the only solution I have been able to glean from this forum and the internet. The driver update has not worked to date.

I would appreciate any other suggestions to fix this issue

TIA
jinx
 

A:Flickering Taskbar IBM T400 Thinkpad Win 7 32bit pro

Is anything else flickering besides the taskbar?i also have a t400 but mine is running windows xp pro with no problems. it might be that the graphics or video cards have a problem or the laptop screen itself might be the culprit.you might want to have it checked out to see what the actual problem is and then go from there.
 

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RELEVANCY SCORE 58

Hello Dears, I have updated my BIOS via Lenovo BIOS updater and everything went successfully and it asked me to restart your computer after updating BIOS and now I do not get any display , I have waited for like 10-15 min to see if i can see anything and i saw it booted and i have updated my drivers for win 7 ultimate and upon restart again i dont have any display and i am waiting 20 more to see if i get anything .  Anyone else face the same problem here after updating BIOS? What should I do guys next, I still have the warranty left? Does updating BIOS remove the warranty?thanks in advance for your advise regardsJan













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A:Thinkpad T400 No display after BIOS update

updating bios did not affect warranty. call for service

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RELEVANCY SCORE 58

Hi guys, I got a P50 stuck on Lenovo startup screen.  I cant get into BIOS or Safe mode.  Have remove the battery and plesses the power bottom for 10 to 20 seconds while the battery its off and I can get into anything.  Have remove the BIOS battery, checked the USB for any physical damage and nothing there.  Try docked and undocked same issue.  Any ideas? JD 

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RELEVANCY SCORE 58

I have a Lenovo Thinkpad T400(its in my school bag but I can get the 100% real specs in a few hours. I'm in class) and I got one with the wifi drives installed but the fn+F5 combo won't do anythingThe laptop is a Lenovo Thinkpad T400 series running windows 10. The hard drive capacity is 120 GB and the processor is Intel Core Duo 2.according to the site the included wireless drive is: 802.11g wireless I need this to work on school anywhere and everywhere. Can someone please help?  Note the listing and laptop say its installed.

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RELEVANCY SCORE 58

Hi,I recently purchased Thinkpad X1 yoga (1 Gen) machine with 16Gb Ram, 512GB SSD & WQHD IPS (Not even OLED) display with windows 10 pro 64 bit OS.My laptop battery is draining fast and only last for 4 to 5 hours with normal browsing & usage with 60-75% brightness (even reducing it to 50% doesn't give much improvement) and in Power save mode. As per Lenovo it should last for 9 to 11 hours but in reality it is no where near to it. I had also looked at similar issues that has been raised in this forum by other users as well. But I strongly feel that a top brand like Lenovo/Thinkpad doesn't cheat customers by giving false promises for the battery life of  9 to 11 hours without their internal testing, also I feel they would have not be claiming this (9 to 11 hrs) battery life by keeping their screen brightness to dark i.e. less than 50% or 25%. So i thought i could dig deeper to find out the problem. After my initial analysis using powercfg.exe command tool for sleepstudy, the report (i.e. https://ibb.co/hzob7F) shows me some a Ghost application called "Unknown [None]" which comsumes more power and I guess this is the culprit that cases the battery to drain faster. Looks like this Ghost appid takes around 60% of the power compared with all the other appid.  But not sure how to identify this Ghost appid. I have also posted my query in Microsoft forum but yet to get an reply.https://answers.microsoft.com/en-us/windows/forum/windows_10-othe... Read more

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RELEVANCY SCORE 57.2

Hello,  My thinkpad's display isn't working, not are any of the status lights except the wifi one. A few things you should know about my ThinkPadSSD UpgradeBIG ONE: WAS drenched in water, did not turn on. I took it apart, dried it out, and put it back. It worked fine.Faulty CD Drive (randomly pops out, but recently is behaving itself)LCD Ribbon cable (connector cable) changed once for the same problem, but it's happening again now.RAM upgraded to 8 gigsRecently, like two days ago, a startup interrupt menu keeps showing up. No keys were pressed upon startup, but it still shows up. Windows 7 ProHinges are loose, display wobbles back and forth quite a bit.I would appreciate it if someone could point me in the right direction, I dont wanna keep buying ribbon cables!  Thank You!-Matt

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RELEVANCY SCORE 57.2

The T400 that I have will start but will go no further then the first screen.It sets at the screen that says Thinkpad and at the bottom of that that ssays to interrupt normal startup press the blue ThinkVantage button will not go any further. Just stops there.
 
 
Moderator comment: New thread created. Subject edited for clarity. Was: Re: T400 will not boot, any help from the masters?

A:T400 boot hangs at ThinkPad splash screen

@garyoverton,Does the hard drive light stay lit at that screen?

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RELEVANCY SCORE 57.2

The machine stops at the ThinkPad screen. I have replaced the RAM but no luck. I have not the removed the CMOS battery. Any clue what my next step should be?













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A:T400 starts ThinkPad screen then stops - 6475

It was a problem with one USB port. https://forums.lenovo.com/t5/ThinkPad-L-R-and-SL-series/ThinkPad-hangs-on-boot-stuck-at-Thinkpad-scr...

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RELEVANCY SCORE 57.2

Hi,

I have a T400 which has the following two display adapters:

ATI Mobility Radeon HD 3400 Series
Mobile Intel(R) 45 Express Chipset Family

After installing Windows 7 and checking device manager, the ATI adapter does show up under the "Display adapters' section, but it has a ! sign on it, and if I click for details, it says:

This device cannot start. (Code 10)

I tried downoading and installing this:

Lenovo Support & downloads - ThinkPad Switchable Graphics Driver for Windows Vista 32bit and 64bit - ThinkPad T400, R400, T500, W500

and when I rebooted, it went through some diagnostic tests in a cmd window to finish installation. But when I checked the device manager again, the ATI adapter still says it cannot start.

I also tried this:

ATI Catalyst? Mobility Display Driver

which I got to by selecting W7 32-bit > Mobility Radeon > Mobility Radeon HD 3000 series.

It seemed to install OK, but I got a message which I've gotten with previous attempts, which says:

"The Catalyst Control Center is not supported by the driver version of your enambled graphics adapter. Please update your ATI graphics driver, or enable your ATI adapter using the Displays manager."

I went to the device manager, right-clicked on the ATI adapter and did Update Driver, and it did at first find a better match but said it couldn't be installed with the same error message from above (Code 10). Now, when I try to update the driver again, it says... Read more

A:W7 and ThinkPad T400 ATI Radeon 3400 series driver

I am also running a Thinkpad T400 with an ATI Radeon HD 3400 Series with Windows 7 32 bit. I cannot uninstall the current driver (8.56.1.13) nor can I update using the ATI driver package.

Any help would be greatly appreciated!

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RELEVANCY SCORE 57.2

I have a ThinkPad T460P. Some time ago it fell off to the side of couch while plugged in and bent the adapter / end of charger insert upon impact. After i would receive a "plugged in but not charging" message. I could still get this machine to charge if i closed it and inserted the charger, let it sit, and then open. Somewhat inconsistent but it worked. Finally the other day i was running a video and the battery drained completely without realizing it was not charging. I received a critically low battery message. Charger no longer worked and machine would not turn on. I bought a new 90W charger to see if it would do the trick. When i plug this in, the light above the thinkpad sign and also the light in power button flashes 3 times but then nothing else. Normally this light would strobe. The charger appears to work as the light near the port has gone from yellow to green. But the machine no longer turns on. Sometimes i can get it to flash when pressing the power but nothing. Also tried a number of tricks like taking the battery out, holding the power button for a while, putting all back in and trying again. Machine will also not turn on when plugged in without the battery in. Thoughts? Am i cooked here?

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RELEVANCY SCORE 57.2

Hello,  I recently received the computer from mail. I am having an issue that the screen becomes washout on battery mode. The issue can be resolved by restarting the computer. Is there a permanent solution for my issue? I believe this should be a software issue.  Thanks,  AC

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RELEVANCY SCORE 57.2

I left my T400 on overnight running on battery (clearly not the brightest idea), and now it won't start up.  The plug and battery lights do illuminate when I plug it into an outlet; when I turn it on, the num lock and caps lock lights illuminate briefly, and the power status indicator light illuminates.  It makes a few whirring noises, and then just sits there.  Does anyone have any suggestions for troubleshooting this?  Thank you!













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A:T400 won't start up after battery was drained

Did you ever get a response at all or figure out what was going on? This same issue just happened to me.

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RELEVANCY SCORE 57.2

please help, my lenovo laptop battery not retaining charges when i charge it all to 1hour plus there about. (....... i had kept the laptop uncharged about 1 year ago. 

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RELEVANCY SCORE 57.2

Hi, T400 running Win7. I've this battery pack 57Y4536 which won't work anymore. It wasn't in use for months so it may have drained out I guess.  The power manager says it can't detect the battery and marked as "error" Is there any way to revive the battery? Thanks

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RELEVANCY SCORE 56.8

There are multiple, technically seven, black shadows appearing on the bottom my lcd like black headlights glowing outwards from the bottom. Sometimes it disappears but now it has appeared agian. I'll be thankful for any suggestion.
 
Link to picture
 
Link to picture
 
Admin note; pictures >100K converted to links

A:Black shadows appears on bottom of the LCD of my Thinkpad T400 laptop!

Hi Mehran94,
 
Welcome to Lenovo Community!
 
As per the query we understood that you are facing issue with Display on your ThinkPad T400.
 
We have verified the image and the issue is related to LCD panel, but I suggest you to check with reseating the LCD cable on both the side which is connected to the LCD panel and also to the system board.
 
Please click here to visit the link on how to remove the system hardware parts.
 
Hope this helps.
 
Best regards,
Hemanth Kumar





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RELEVANCY SCORE 56.8

Lenovo Community I'm in need of a new 9 cell battery for an older Lenovo model (T400) the Lenovo price is $179.00 (which is fine) but a see many other advertised prices as low as $33.00.  Anyone know why such a discrepancy. I would expect Lenovo?s prices to be "slightly? high but not as much as $146.00.  $33.00 is too good there is something I'm not aware of when it come to new batteries. Comments

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