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Upgrade T540p with a W540 display?

T430-T490, T530-T590 Series
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theoldhundy
Posts: 8
Joined: Fri Dec 03, 2021 10:33 am
Location: Taunton, Massachusetts

Upgrade T540p with a W540 display?

#1 Post by theoldhundy » Mon May 09, 2022 10:20 pm

Hi all,

I've had my T540p for almost a year now, and I just haven't been able to get comfortable with the 1366x768 screen. So far, I've had no luck finding a suitable display assembly (or even just the surrounding hardware) for a reasonable price. I'm nearly positive there is no FHD display available, OEM or aftermarket, that will drop into the existing "wedge" hardware that I currently have.

Piecing a few things together:

- The T540p and W540 share the same hardware maintenance manual, so I assume the hardware is identical or very close.
- According to this: https://psref.lenovo.com/syspool/Sys/PD ... d_W540.pdf the W540 was never offered with the 1366x768 display, only the FHD and 3k displays.

I don't care if it's IPS, and I don't care if my T540p mistakenly says W540 in the lower right corner, but... would any W540 display drop in? There's plenty of them on ebay, and if I don't have to worry about accidentally ending up with the same display I have now, it looks like a pretty good option. What do you folks think?
Jon

Thinkpad P51
Thinkpad T540p
2x Thinkpad T530
Tab M10 HD

RealBlackStuff
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Re: Upgrade T540p with a W540 display?

#2 Post by RealBlackStuff » Tue May 10, 2022 1:01 am

Both can use the same LCDs.
T540p also came with the same FHD as W540.
AFAIK you can even swap the whole lid between them.
There are 3 different LCD cables:
04X5539 (HD)
04X5540 (FHD)
04X5541 (FHD++)

Google for these partslists:
t540p_fru_bom_20131107.pdf
w540_fru_bom_20140108.pdf
Lovely day for a Guinness! (The Real Black Stuff)
IBM: T23 (XP/SP3) - Lenovo: X240, X250, T440p, M900 Tiny (all with W7/SP1)

theoldhundy
Posts: 8
Joined: Fri Dec 03, 2021 10:33 am
Location: Taunton, Massachusetts

Re: Upgrade T540p with a W540 display?

#3 Post by theoldhundy » Tue May 10, 2022 8:29 am

Thank you very much for the speedy reply. Swapping the whole lid is what I'm interested in. Searching around on ebay, it seems like almost all of the "for parts" T540p have the same display as mine. However, there are lots of W540 out there that *I believe* have the display I'm looking for.
Jon

Thinkpad P51
Thinkpad T540p
2x Thinkpad T530
Tab M10 HD

theoldhundy
Posts: 8
Joined: Fri Dec 03, 2021 10:33 am
Location: Taunton, Massachusetts

Re: Upgrade T540p with a W540 display?

#4 Post by theoldhundy » Sun May 22, 2022 12:49 pm

Success!! The W540 lid assembly installed perfectly. All cables mated to the mainboard. I took a chance on a cheap W540 display where the seller wasn't sure of the resolution. I wanted the FHD display and that's what showed up! Easier and much less expensive than trying to separately source the hinges, bezel, cable, etc.
Jon

Thinkpad P51
Thinkpad T540p
2x Thinkpad T530
Tab M10 HD

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