T400 LCD LED options

Why is it that you can't order though CTO or through normal models a T400 with an LED backlight and the 14.1" WXGA+ screen? I know it does exist, as we received one like this a couple months ago.
Is there plans to have this available again in the near future? Is it just an LCD shortage, or was there an issue with the screens themselves?

As I have just posted, the UK shop (www.lenovo.co.uk) have the WXGA+ LED with camera, so I don't know what's going on with the displays...

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T400 LCD problem

hi guys, my t400 lcd does not included led backlight, and i feel it is terribly dim compare to other notebook such as compaq v3000 and hp dv2000, what is going on? i heard someone said t400 lcd without led backlight are good too, but my lcd seems dim even though i switch to screen brightness to the max, it is not totally dark but it looks dim, can you guys help me?

also do you have the switchable graphics card version? if so switch to intel by going to the power saving mode, and see whether the internal LCD still have this problem.
But what you are describing sounds like an issue with the LCD panel itself, you can get a new LCD for around 150 to 200 dollars on the net.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

T400 LCD TFT display specifications

Hey everyone,
I was wondering if anyone would have on hand or know where to find information on the display specifications for the T400 LCD TFT display (WXGA, LED backlight).
Specifically I'm looking for:
Model Name/Manufacturer:
Display area:
Pixel Pitch:
Synchronization
Horizontal: (kHz)
Vertical: (Hz)
Display Color: (24bit, 16bit)
Cheers,
J

Welcome to the forum!
Do I understand correctly that you bought a complete new LCD Assembly? Do you have proof from the seller that it was working properly before you bought it?
Can you see a picture if you use a torchlight over the panel?
A faint dark picture could be a defective LCD cable, inverter/LED card or a defective LCD backlight. Since you see a picture I would rule out a motherboard fuse problem.
Edit: Richk was faster!
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Your Suggestions on Adding External LCD / LED Monitors to MacBook Pro?

My current work station is a PowerPC G4 Dual 867Mhz with dual 19" CRT displays. I use this for design work (Adobe Illustrator); photo restoration (Photoshop); & online sales.
I was down to my last two CRT monitors, and wanted to perhaps start porting some of the graphic intense work to a faster computer so I bought this MacBook Pro:
http://support.apple.com/kb/SP499
I have not actually had a chance to use the MacBook Pro - it and all the accessories are still sealed - I couldn't afford the down time to set it up.
I am wanting to add a external monitor to the MacBook Pro that would be suitable for detailed design work with accurate color, true blacks, and the ability to be correctly calibrated. Since I may be still doing work on the G4 with software that will not run on the MacBook Pro I'd like to perhaps buy 3 matching monitors , 2 to replace my crt units and 1 for the MacBook, so that I can closely match the design output between the G4 and MacBook Pro.
I briefly tried a inexpensive LCD TV with a PC hookup on the G4 to get some idea of how an lcd would look. The LCD TV had a native resolution of 1440 X 960, which is a 3:2 aspect ratio, but that resulted in designs elements being distorted (i.e., squares look like rectangles). In 4:3 mode the TV did not distort the design elements, but the picture was not crisp / sharp and appeared soft. From what I've read this is because the lcd, unlike a crt, can't correctly emulate resolutions other than the native resolution built into the screen (i.e., its software guesswork). I also did not like the fact than in 4:3 mode it left black areas on the right and left edges of the screen.
I typically work in a 4:3 aspect ratio with a resolution of 1024 X 768, but a higher resolution of say 1600 X 1200 would be o.k. So what are your suggestions as to finding a lcd / led monitor that has a 4:3 aspect ratio? So far I've found limited information on what appear to be old monitors - there's one on Dell's site; for example, that says it has 1600 x 1200 native resolution, but a review also says its the same monitor they've been making for 5 years (besides I don't think I'd like the idea of hooking a Dell into my Mac). Found a few references to Lacie and NEC.
I really don't understand the monitor manufacturers, including Apple, that claim their monitors are for design work, when they don't offer native a 4:3 aspect ratio. How exactly am I to complete designs when circles are ovals and squares are rectangles?

"Take a flash drive with some representative PDF files saved from Illustrator to your nearest Apple Store or Apple reseller and ask for a demonstration using one of Apple's beautiful 27" 2560 x 1600 monitors. It would replace both of your 1024 x 768 CRTs with lots of additional desktop real estate to spare."
1. Well, actually no since I do not have fixed 1024 x 768 crts since crts do not have fixed resolutions. I can easily set each monitor to a variety of other resolutions including 1600 x 1200. Actually the Apple display would be a step down in total working area if I used the largest common resolution of 1792 x 1344 and certainly not worth the extra cost for the space gained if working at 1600 x 1200.
2. Unfortunately the display requires 10.6, which does not work on a G4 Dual 867Mhz. It would not even work on my MacBook Pro that I've not had a chance to use yet as it comes with 10.5. Also, 10.6 drops supports for PowerPC emulation so that means buying hundreds of dollars in new software. I use Apples only, but one thing I hate about the company is what many perceive is their "elitist attitude" toward their users - do they really think most people in the real world have so much money that in order to use Apple's new 27" display that they have to go out and spend more than the display costs on updating their computer and software. I am not a zombie fanboy willing to buy anything just because it has Apple on it.
3. Like most people I do not live by an Apple store or a Apple reseller, even the local Best Buy does not carry Apple computers in their store because the retail space does not justify the resulting sales (not that I would buy anything there anyway as they are over priced). I am really not interested in driving several hundred miles to the nearest store.
4. For a $1,000 I expect a monitor to offer a native 4:3 (1600 x 1200) aspect ratio - certainly Apple knows that this is the preferred working environment of many CAD and graphic users but they chose not to offer this in the display, thus the Apple display is really seems geared toward pop corn munching movie watching consumers.
5. This display is not actually made by Apple, its probably LG or one of their other suppliers.

LCD/LED Monitor Problems

I have just purchased a new 2010 Mac Mini and an LG E2240S LCD - LED backlit monitor. I have this connected using a Mini DisplayPort > VGA adapter.
I have resolution set at 1920x1080 at 50Hz which seems the best setting.
The problem is everything seems very grainy and text especially looks very sharp and jagged around the edges.
Any ideas what would cause this?

The monitor should have a function that is sometimes called tuning. See if that improves the picture.

Thinkpad T400 LCD problem

Dear Lenovo Expertise,
My thinkpad is T400; 7417-CTO.
For past one wk, their is a constant "thin yellow" line in the right corner of LCD. It sometimes disappears when I press corner of LCD. But still it re-appears. Its driving me nuts.
Pls tell me what to do. Do i need to replace it ?
Regards,
Dr. Khan

Try eBay:- T400 LCD
Marketplace of forum.thinkpads.com • Index page is another alternative, personally I recommend the forum as I have bought quite a few things from there.
Hope it helps.
Maliha (I don't work for lenovo)
ThinkPads:- T400[Win 7], T60[Win 7], IBM 240[Win XP]
IdeaPad: U350
Apple:- Macbook Air [Snow Leopard]
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T400 LCD Screen has a dark piont within half year.

T400 LCD has a dark point within half year, which I bought Oct. 2008. Could I get some change or warranty?

welcome to the forum!
you'll need to reference your defective pixel(s) with the current replacement policy to know if it falls under warranty:
http://www-307.ibm.com/pc/support/site.wss/MIGR-69856.html
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Bulge on the upper right of T400 LCD bezel

Hi all,
Recently I notice there is a small bulge on the upper right of my T400 lcd bezel, specifically near the opening claw there. Is this normal ? I have been using for a month I jst notice it recently.
Thanks a lot

Hi,
Sorry for the late reply was away for a few days. Attached image.. Pls comment. Its nothing big, however its annoying once found out
Sorry the pic is low quality took it from my mobile phone
Link to Picture
Before, see the 2nd pic and you will notice the gap will close once I press them
Link to Picture
After I close
Thank you in advance
Moderator Note; pictures >50K converted to links. Forum Rules
Message Edited by andyP on 08-06-2009 09:15 PM

T400 WXGA+ LED LCD bad display?

I'm really at the end of my rope.
I've been trying everything I can in the graphics driver settings (both ATI 3470 and Intel x4500, I got the switchable graphics system) to try and make it look better, but nothing I can do is fixing it.
Basically, the display looks washed out and the colors are terrible. It's the worst display that I've ever used to put it simply (granted, the super-cheap Acer that I didn't buy probably looked worse, but I purposely avoided it because of the terrible looking display). It is bright, but that's it really. The contrast and saturation seems completely blown out and what is there looks grainy.
I was really expecting a gorgeous display after reading the review at notebookreview.com. But as it seems in the past, what I got was not the LG display that was in the review, but a Samsung LCD panel that looks terrible. Is there anything that I can do other than return the laptop? It seems very difficult (especially after reading the T61 LCD threads) to argue to Customer Service that the display `looks terrible.' I've used multiple laptops over the years and none of them have looked this bad.
The FRU for my display is: 42X6318 SBB 14.1 W X G A +TFT
I can't get anything to show up through the FRU lookup. According to Everest Home, the display is an LTN141BT. Is this even an LED display? Is the only reason for getting an LED display brightness over everything else? I certainly wouldn't have paid more for it if I knew it would look like this. I can't find the specifications for this panel on the Samsung web site, so it's hard to tell. Could someone from Lenovo give me more information?.
Message Edited by snclawson on 09-05-2008 09:18 PM
Message Edited by snclawson on 09-09-2008 06:25 PM

Not that anyone probably cares, but there should be a box on it's way to take my shiny new T400 back to a service center. The only hitch that I had with calling Customer Service is that since I only even ordered the laptop just over a week ago the warranty information for my serial number wasn't in the system yet. Everyone was very helpful and so far I'm really impressed with the service.
I am still really nervous though, because I really don't think that I can use the laptop with this particular panel (or one like it!). My only hope is that they replace the panel with a better one (hopefully the LG that everyone else seems to be getting!). I've been running around checking the colors against every monitor/laptop I can find and it really just looks bad. Mostly it's red; it looks more like an orange. I took a side-by-side picture of a full screen of straight red with it and my old Dell Latitude and you can really see the difference in hue. Green looks a little funny too, although Blue seems fine. The Dell is probably the most favorable comparison I've got, since even it dosen't look terribly great compared to a desktop LCD/CRT.

T400 LCD Screen Replacement -

Hi gurus:
This concerns replacement of LCD Screen on my 14" T400 Laptop, which i'd purchased on Jan 14 2009.
>> This is a LED backlit WXGA+ Screen.
Usage:
** Very light usage; 2-3 hrs/week;
** Used this as a standby for my work laptop.
** Sparingly used for pretty much anything.
** I am very disappointed with this laptop and all through its performance and battery life has been very sluggish. (1 hr battery at the most).
>> Runs very slow even with Vista/XP downgrade
Problem:
>> 1.5 yrs later, the LCD screen on this laptop doesn't turn on.
>> I have tried the LCD Troubleshooting Guide @:
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-4YQHUC
** The screen is just plain dead. No startup blink. Nothing.
** Identified the following part details from my order:
From Order Confirmation:
44C1347
SBB 14.1"WXGA+LEDB/L BTCAMWWAN
FRU Part#
Mfg part# FRU part # Description Serviceable?
42T0503 42T0504 14.1 INCH LCD DISPLAY FRU YES
** What are my options in getting going with this laptop?
>> The LCD screen conking out in this manner with minimal use is unacceptable, according to me.
>> I had checked the price online for the Retail replacement part, and it brings it to a total of $400 approx.
Is there any extended warranty for the LCD screens? Any advise over where to buy from?
Regards,
Raghav

Hi Rich:
Thanks for your reply.
* I tried connecting the VGA cable to my LCD Monitor/TV, but i do not see any output after selecting the Secondary Display.
* When i boot up the Machine, the LCD does not blink/flicker e.t.c, but i can see that the regular bootup is happening as i look at the Hard Drive light and it keeps flickering.
* How do i check the LCD sub card? I am assuming its the panel because the LED Light on top of the Screen seems to turn on.
* Yes i have only the 1 year warranty.
>> My previous Dell Inspiron which had the same warranty term lasted about 4 years and only gave up because of the Motherboard.
I personally bought a Thinkpad thinking it was reliable, but this is quite bad, especially for a sparingly used laptop.
regards,
Raghav

Replace T400 WXGA LED screen with WXGA+ LED SCREEN

I have a 7417-CTO T400 Laptop, WXGA(1280 X 800) SCREEN , LED, MATTE, TYPE IS BROKEN,
1)i WANT TO UPGRADE IT, i WANT TO REPLACE IT with WXGA+(1440X900) , LED, MATTE.
is it possible? I dont have any other option,
2) Can repalce my laptop screen with WXGA , LED , GLOSSY?
Please help with these option?

That is correct. The lack of "LED" specification indicates it is in fact a CCFL backlit panel.
If purchasing a replacement LCD panel on fleebay or the likes, I would highly suggest you make your purchase based on the FRU replacement part number.
Note: If you replace the LCD panel, you will void your warranty. Always keep this in mind.
Message Edited by ortegaluis on 07-29-2009 09:22 PM
\\ I do not respond to PM regarding individual tech support. Keep discussions in the forum for the benefit of others //

T400 LCD flatcable

Hi,
I need a new flatcable for my T400, it goes from the mainboard to the lid/LCD.
It reads ISMP44C1338 and CD11S42T0582Z1ZEYX598185 809. I checked http://support.lenovo.com/en_US/product-and-parts/partsLookup.page? with my serial number and model number (6475) . The part number 44C1338 shows up, but there are no spare parts available. I can't find this part on Ebay or the likes either, and the part number does not show a lot on Google.
I could hunt a generic T400 part, but its questionable if this would work. See Lenovo T400 system parts: http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-70429
This would be 44C5362 (LCD with camera + bluetooth), but I don't know if this will work?
Can somebody tell me what part number I need?
Solved!
Go to Solution.

You have a CCFL model (thanks Richk for correcting me).
(Basically in your OP you did everything right, you identified the correct LCD cable. In the part lookups you only should have looked at the column that says FRU P/N, which is the Lenovo one, there you see that the screen is 42T0583, A quick check in google or thinkwiki.org will show you the type of monitor)
So you can check in Ebay or alikes for the cable 44C5362 (maybe somebody knows more other equivalent FRU numbers). If you extend the search worldwide you will get more offers, see an example here: click me!
Another option is to look for a broken T400 with a working screen, but to be honest I don't think it will get cheaper than the auction.
Happy hunting!
/L40SX/240/240X/2*340CSE/360PE/365XD/380D/380E/380XD/380Z/390/560E/560X/2*570/2*600/600E/750Cs/755C/760CD/760EL/760XD/770E/A20p/A22p
A31/i1600/G40/R50p/R61i/S30/SL510/2*T22/4*T4x/11*T6x/6*T4x0x/6*T5x0/3*W5x0/W700/3*X2x/4*X3x/3*X4x/5*X6x/3*X6xT/10*X2xx/2*X200T/4*X30x/Z60m/3*Z61x
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T400 LCD brightness unstable

My T400 has been used only 1.5 years, but its LCD brightness suddenly became unstable the day before yesterday, and the screen also turns a little red, the indictor lights turn from green to a little orange color. I tried to find the reason and found maybe the LCD cable doesn't have a good contact, so I tried to re set it. But the problem is still here. Why? What's the problem? How to fix it?

The indicator lights are just a green LED... There's no way they can all turn orange.
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
Y3P: 5Y70, 8GB RAM, 256GB SSD, QHD+ screen

T400 LCD screen black after replecement

History - T400 (2767-31U), Win 7.
LCD screen broken due to a drop. Laptop still worked with an external monitor via VGA slot and I ordered a replacement LCD.
The replacement finally (used-off ebay) arrived and I followed the HMM manual and replaced the LCD. But it still does not work. I can continue to use the ext monitor without any issues. The replacement LCD was the full assembly not just the LCD screen.
Here is what I noticed:
1. When booting up, I see the Thinkpad logo very very faintly before it goes fully black again.
2. All the LCD panel lights work fine - Wireless, BT, HDD, Battery, Power etc etc including the reading light.
3. The laptop recognizes when I open and close the lid and switches on the ext monitor accordingly.
Here is what I did (I followed the HMM to the detail):
4. When I replaced the LCD, I noticed that the original LCD had 2 black wires insulated at the ends originating from the bottom left area of the LCD that were not actually plugged into any area of the MB. I did the same on the replacement LCD and left them as it is. I don't even know what these are.
5. I connected the other 3 wires(white, grey and black) and the main connector as the original LCD/HMM.
6. I uninstalled the display drivers and restarted and Win 7 automatically installed the drivers again.
7. The Most important part - The original LCD when powered on, DID have backlight showing me the mangled area of the screen so I know it worked before replacement.
I have read quite a bit of posts regarding T400 black screen issues, pointing me towards a faulty MB, blown fuse or faulty inverter. I know the replacement is an exact replica of the original LCD.
Could it be that I didn't connect the wires correctly to their respective slots on the MB?
Any inputs would be highly appreciated.
Edit:
Solved!
Go to Solution.

Welcome to the forum!
Do I understand correctly that you bought a complete new LCD Assembly? Do you have proof from the seller that it was working properly before you bought it?
Can you see a picture if you use a torchlight over the panel?
A faint dark picture could be a defective LCD cable, inverter/LED card or a defective LCD backlight. Since you see a picture I would rule out a motherboard fuse problem.
Edit: Richk was faster!
/L40SX/240/240X/2*340CSE/360PE/365XD/380D/380E/380XD/380Z/390/560E/560X/2*570/2*600/600E/750Cs/755C/760CD/760EL/760XD/770E/A20p/A22p
A31/i1600/G40/R50p/R61i/S30/SL510/2*T22/4*T4x/11*T6x/6*T4x0x/6*T5x0/3*W5x0/W700/3*X2x/4*X3x/3*X4x/5*X6x/3*X6xT/10*X2xx/2*X200T/4*X30x/Z60m/3*Z61x
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T400 LCD Screen flickers or blinks every 5 seconds

T400 with Win XP Pro and Integrated Graphics, all the latest updates. Even did a Rescue to original factory.
I have read numerous issues with Thinkpad screen flickering, but have not found a solution for my laptop.
My T400 just started doing the following: Every 5 seconds, the screen will flicker one time looking like an old CRT screen rolling over once. Every 5 seconds. Oddly, this occurs only at the 60Hz rate. When I set the rate at 50Hz, the problem appears to get fixed. I have disable the Graphics Battery power option.
The flicker occurs during boot up even on the initial black / white screen, narrowing it down to hardware or bios.
Given the number of LCD issues I've read about on this era of machine (2009), I called Lenovo to see if there was a recall - they said no. I'm a Thinkpad fan, but I am beginning to wonder if Lenovo is not acknowledging a known defect.
I just want to know what to fix. Is this a defective LCD screen, or a motherboard chip issue?
Any thoughts out there??

This isn't a widespread defect AFAIK.
Do you have switchable graphics?
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
Y3P: 5Y70, 8GB RAM, 256GB SSD, QHD+ screen

T400 LCD LED options

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