Thinkpad W520 screen replacement. Suggestion on after market screens.

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LoneTraveler
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Thinkpad W520 screen replacement. Suggestion on after market screens.

#1 Post by LoneTraveler » Thu Jun 22, 2017 3:56 pm

Hello everyone.
I have a Thinkpad W520 and because i have a permanent imprint caused from the trackpoint pressure i want to replace it with a new one. My current screen is 1600x900.
I've found some new screens sold at Ebay at the price of about 60 euros (1600x900). Does anyone have experience with them? Are they inferior than the original one of the W520? Is there difference on color quality? On contrast? Do they have so dark black like the original one or the black is like dark gray?
Thank's.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#2 Post by Thinkpad4by3 » Thu Jun 22, 2017 4:52 pm

LoneTraveler wrote:Hello everyone.
I have a Thinkpad W520 and because i have a permanent imprint caused from the trackpoint pressure i want to replace it with a new one. My current screen is 1600x900.
I've found some new screens sold at Ebay at the price of about 60 euros (1600x900). Does anyone have experience with them? Are they inferior than the original one of the W520? Is there difference on color quality? On contrast? Do they have so dark black like the original one or the black is like dark gray?
Thank's.
1: Look up the model number listed on the eBay Listing
2: Match compatible model numbers
3: Make sure it doesnt mention "xx model number compatoble lcd" that is a surefire way to get a TN screen(grey not black) instead of IPS (black black).
Welcome to the jungle, we have FrankenPads
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#3 Post by LoneTraveler » Thu Jun 22, 2017 11:32 pm

Thinkpad4by3 i didn't understand very well what you meant. I search for the screen using the FRU number. As you say they write at the descriptions that they'll send the exact model or something compatible if not found the exact. From the price i'm afraid about the quality of the screen. Also the policy for the pixels doesn't ensure "0 dead pixel", something that i don't like at all.
Also I never thought that my original panel is IPS. I don't think W520 came out of the factory with IPS. The contrast is great and the black true black. And colors are not inversed looking from the side. But i thought that it is just TN or LCD or whatever (i'm not an expert). On the other hand the screen on my old L520 (HD) was awful.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#4 Post by Thinkpad4by3 » Fri Jun 23, 2017 2:15 pm

LoneTraveler wrote:Thinkpad4by3 i didn't understand very well what you meant. I search for the screen using the FRU number. As you say they write at the descriptions that they'll send the exact model or something compatible if not found the exact. From the price i'm afraid about the quality of the screen. Also the policy for the pixels doesn't ensure "0 dead pixel", something that i don't like at all.
Also I never thought that my original panel is IPS. I don't think W520 came out of the factory with IPS. The contrast is great and the black true black. And colors are not inversed looking from the side. But i thought that it is just TN or LCD or whatever (i'm not an expert). On the other hand the screen on my old L520 (HD) was awful.
Ok, Ill put this very simply.

They make every type of screen in every type of resolution ever conceieved.

The 2 main types are TN lile your L520 which has those greys instead of black and bad viewing angles.

Exception: TN screens can be AWFUL or they can be good. Tilt your screen all the way back while at a normal angle. If the colors change, its TN otherwise its IPS.

There is the other main type which is IPS. It has great viewing angles and deep blacks. This is your current W520 screen.

There are 2 model numbers. When looking for a new LCD, you will need the LCD Model Number. THIS IS NOT THE FRU. An LCD model number can vary by manufacturer. A samsung might be LTN141U1. You can see how this isnt like the FRU number which is 00x0000.

Make sure the seller is well rated and doesnt seem fishy. If you still arent sure, you are free to PM an eBay link if you would like me to take a look at it. A good sign if it has a real picture, not a placeholder image.
Welcome to the jungle, we have FrankenPads
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#5 Post by LoneTraveler » Fri Jun 23, 2017 2:59 pm

Thinkpad4by3 thank you very much for your help!
OK, i didn't know that my W520 has IPS panel.. interesting :)
Well, i figured out some things searching the last hours. What i want is exactly this model (AUO B156HW01 v4). Actually an upgrade of my current LP156WD1 (1600x900). The original of course. I've found a seller who offers it (i've already asked if he/she ensures that it is the original that Lenovo used to use, and wait for answer). The problem is the pixel policy :( (ISO-9241 CLASS 1). Who wants to take the risk of having a dead pixel in the center of the screen? I wouldn't have problem to pay even 25% above the price to have "0 dead pixel" guaranty at least for a year..

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#6 Post by Thinkpad4by3 » Fri Jun 23, 2017 3:56 pm

LoneTraveler wrote:Thinkpad4by3 thank you very much for your help!
OK, i didn't know that my W520 has IPS panel.. interesting :)
Well, i figured out some things searching the last hours. What i want is exactly this model (AUO B156HW01 v4). Actually an upgrade of my current LP156WD1 (1600x900). The original of course. I've found a seller who offers it (i've already asked if he/she ensures that it is the original that Lenovo used to use, and wait for answer). The problem is the pixel policy :( (ISO-9241 CLASS 1). Who wants to take the risk of having a dead pixel in the center of the screen? I wouldn't have problem to pay even 25% above the price to have "0 dead pixel" guaranty at least for a year..
You don't even want to touch swapping LCD panels of different makes and models. I've tried and sometimes it works no problem, and sometimes wierd things can happen. Sometimes, it flat out doesnt work. Use the EXACT panel that is in you W520 or get a replacement top unit. You have to match the LCD cable that came with your panel. In the decade prior, IBM put little resistors in the cables to tell the computer the LCD resolution, so screens have to be swapped with cables. Now, Lenovo uses many different manufacturers, each with a slightly different pinout. If the green wores and the red wires are on different pins, your colors will be bad.


Tl;dr Match the lcd panel with what you have or risk problems.
Welcome to the jungle, we have FrankenPads
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#7 Post by LoneTraveler » Fri Jun 23, 2017 4:25 pm

Thinkpad4by3 that's a pity.. I'd like to upgrade the screen. But of course not take the risk. Do these pictures i attach help to know if the FHD display will be compatible? Do they give any clues about the wires that you said above?
https://ibb.co/fahrsk
https://ibb.co/fE3xXk
https://ibb.co/bAJQJQ
https://ibb.co/gPeMsk

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#8 Post by Thinkpad4by3 » Fri Jun 23, 2017 4:42 pm

Actually, youre in luck, all GENUINE W520 screens are plug and play, so your road to FHD is clear :) .

Even I wasnt sure so I had to resort to others on this fourms :) .

I just wanted to warn you cuz i once did T430s lcd in T420 (768p-->900p) and i got every green pixel on, every other pixel off. It looked horrid.


People on the fourms will be able to sell you a compatible GENUINE W520, and those sellers are more experienced than me on compatible LCDs. Regardless, ordering ans waiting for mail from Hong Kong is a pain in the a-- .

Welcome to the jungle, we have FrankenPads
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#9 Post by xsixt » Fri Jun 23, 2017 10:18 pm

Thinkpad4by3 wrote:
Fri Jun 23, 2017 2:15 pm
The 2 main types are TN lile your L520 which has those greys instead of black and bad viewing angles.

Exception: TN screens can be AWFUL or they can be good. Tilt your screen all the way back while at a normal angle. If the colors change, its TN otherwise its IPS.

There is the other main type which is IPS. It has great viewing angles and deep blacks. This is your current W520 screen.
The W520 does not come with an IPS option. However the FHD option (TN) has Wider viewing angles than a crap/cheap TN screen.
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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#10 Post by RealBlackStuff » Sat Jun 24, 2017 4:22 am

xsixt wrote:
Fri Jun 23, 2017 10:18 pm
The W520 does not come with an IPS option. However the FHD option (TN) has Wider viewing angles than a crap/cheap TN screen.
Correct.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#11 Post by LoneTraveler » Sun Jun 25, 2017 5:38 am

Thinkpad4by3 wrote:
Fri Jun 23, 2017 4:42 pm
People on the fourms will be able to sell you a compatible GENUINE W520
I don't know how safe is it to buy from members of forums. Actually i can't see any sign of safety! Maybe i'll find to buy from Europe and not from Hong Kong. You did very well to warn me. How knows what happens some times..

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#12 Post by LoneTraveler » Thu Jul 13, 2017 7:00 pm

I finally bought from ebay the AUO B156HW01 v4. It was the original. But it was defective (fairly big press mark on one side) and had to return it to the seller. My impression of this screen was not good. It was very very red! And even when i changed the color's temperature to higher value i kept seen a clear red line at the base of the screen. Also changing the color temperature i saw some "blue ghosting" when scrolling text on a white background. The same happens with my current screen when i make the colors warmer but i see red ghosting. I guess it has to do with slow response time. So i'm searching for another compatible model or maybe will buy exactly the same model as i have now LP156WD1(TL)(B2) since i like it very much but has some problem.
So could you make any suggestions about compatible screens? Some requirements for me are:
  • At least 1600x900 resolution
  • At least 220 cd/m² luminance
  • At least 60% color gamut
  • At least 400:1 contrast ratio
  • fairly good viewing angles

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#13 Post by Thinkpad4by3 » Thu Jul 13, 2017 7:20 pm

Been there done that with defectice LCDs. Seemed great at first until the onset of purple lines.... That was the end of that lcd.
Welcome to the jungle, we have FrankenPads
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#14 Post by Tasurinchi » Fri Jul 14, 2017 2:01 am

LoneTraveler wrote:
Thu Jul 13, 2017 7:00 pm
My impression of this screen was not good. It was very very red!
Definitely defective, this screen is regarded as the best screen for this series. I have few of these screens and non of them have a red tint.

As alternative you could try the B156HW01 v7, which is the same as v4 but glossy (provided you don't mind the reflective surface). Also the other "V" versions from AUO will work (like v1, v2, etc) but are of inferior quality.

I also have a W510 with a LP156WF1-TLB2, a very nice screen IMO, although inferior to the V4/V7.
Last edited by Tasurinchi on Fri Jul 14, 2017 3:06 am, edited 1 time in total.
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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#15 Post by LoneTraveler » Fri Jul 14, 2017 2:44 am

I don't like glossy screens so never thought of buying the v7 model.
The v1 seems good solution (it's also very bright). But i don't think that i'll be able to find such old screens and that they won't be defective or at least have a dead pixel :( People all these years asked for testing them before shipping so i guess that what is now left is defective or with dead pixels.
So my only solution is to find a NEW compatible model. How can i know which NEW models are compatible with the W520? What I mean to get a "list" or create one after search with all the models that fit without problem..
Does anybody have an idea?

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#16 Post by Tasurinchi » Fri Jul 14, 2017 3:15 am

I don't have a list of compatible models (apart from the ones mentioned before). According to Panelook.com these should be compatible (but they sometimes have errors in their specs so take this list with a pinch of salt)

Code: Select all

	N156HGE-L11	15.6"	LCM 	1920×1080 	300 	600:1 	WLED 	262K 	LVDS 	
	LTN156HT01-201	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	LP156WFC-TLB1	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	LP156WF1-TLF3	15.6"	LCM 	1920×1080 	220 	500:1 	WLED 	262K 	LVDS	
	LP156WF1-TLC1	15.6"	LCM 	1920×1080 	220 	400:1 	WLED 	262K 	LVDS
	LP156WF1-TLB2	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	LP156WF1-TLB1	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	LP156WF1-TLA1	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	B156HW02 V5	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	B156HW02 V3	15.6"	LCM 	1920×1080 	220 	400:1 	WLED 	262K 	LVDS
	B156HW02 V1	15.6"	LCM 	1920×1080 	300 	400:1 	WLED 	262K 	LVDS
	B156HW02 V0	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	B156HW01 V7	15.6"	LCM 	1920×1080 	270 	500:1 	WLED 	262K 	LVDS
	B156HW01 V5	15.6"	LCM 	1920×1080 	220 	500:1 	WLED 	262K 	LVDS
	B156HW01 V4	15.6"	LCM 	1920×1080 	270 	400:1 	WLED 	262K 	LVDS
	B156HW01 V3	15.6"	LCM 	1920×1080 	220 	400:1 	WLED 	262K 	LVDS
	B156HW01 V2	15.6"	LCM 	1920×1080 	220 	500:1 	WLED 	262K 	LVDS
	B156HW01 V1	15.6"	LCM 	1920×1080 	300 	400:1 	WLED 	262K 	LVDS
	B156HW01 V0	15.6"	LCM 	1920×1080 	300 	500:1 	WLED 	262K 	LVDS
	B156HTN01.1	15.6"	LCM 	1920×1080 	270 	400:1 	WLED 	262K 	LVDS
	B156HTN01.0	15.6"	LCM 	1920×1080 	300 	400:1 	WLED 	262K 	LVDS1200
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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#17 Post by LoneTraveler » Sat Jul 15, 2017 6:25 am

Thank you very much Tasurinchi! Very good list! I think i'm going to order the N156HGE-L11.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#18 Post by Thinkpad4by3 » Sat Jul 15, 2017 3:22 pm

LoneTraveler wrote:Thank you very much Tasurinchi! Very good list! I think i'm going to order the N156HGE-L11.
Remember, you may have to flash the EDID from the old screen to the new screen.
Welcome to the jungle, we have FrankenPads
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#19 Post by Tasurinchi » Sat Jul 15, 2017 5:09 pm

I don't think that's necessary, I've used so far 4 different types of displays for T/W510 and T/W520 series and it was plug and play. No EDID flashing of any kind was needed...
IBM Convertible 5140/L40SX/220/240/240X/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*T40x/6*T5x0/3*W5x0/W700/3*X2x/4*X3x/3*X4x/5*X6x/3*X6xT/12*X2xx/4*X30x/Z60m/3*Z61x

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Re: Thinkpad W520 screen replacement. Suggestion on after market screens.

#20 Post by xsixt » Wed Aug 23, 2017 2:18 am

LoneTraveler wrote:
Thu Jul 13, 2017 7:00 pm
I finally bought from ebay the AUO B156HW01 v4. It was the original. But it was defective (fairly big press mark on one side) and had to return it to the seller.
How much did the screen cost and who was the seller? If you post the source we may be able to advise - not saying you made the wrong judgement, but ebay etc. are littered with "compatible" fake screens.

The B156HW01 is a great screen, which makes me think it was a fake rather than a dud.
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