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The upgrade to a 1080p FHD display worked and I was able to use the stock eDP cable, which does have 2-lane FHD support. See the final posts of this thread and my posts on notebookreview.com I link to for a lot more info. But basically, if you're willing to live with the very rare occasional black screen bug (which is rare, predictable and mostly avoidable, and can be 100% fixed with the ICC profile I mention), the NV156FHM-N4B is possibly the best possible display upgrade you can get for this laptop. It 's a 1200:1 contrast, 100% sRGB, great viewing angle 1080p IPS beauty of a display. I'm very happy with my use of it so far. I do believe there are other displays out there that would be compatible and not have any black screen bug but will be inferior to the N4B in most ways. I think the N4B is worth it despite the black screen bug. There are some people selling it on ebay that ship from the USA, or you can get it on aliexpress.

 

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Original post:

 

Hello HP forum! I've seen threads relating to this problem but I have a couple questions for my situation that I've been unable to resolve.

 

My HP laptop model comes with the regular 1366x768 screen that I want to upgrade to a FHD 1080p screen, preferably with good contrast ratio and  color gamut. My laptop manual says that the FHD screen HP uses for this shell is part# 798933-011, but no original model number is provided. I'm not sure if the display cable I have (DC02002WZ00 rev 3.0) is FHD capable or if HP uses two different cables, but I've seen part# 682057-001 suggested as a usable FHD cable.

 

The first question is, what is the actual manufacturer model number of the FHD screen part# 798933-011? I want to know because I intend on finding a new screen that has a compatible pinout with the HP software/BIOS. Or if the HP screen has a descent color gamut I might just go with the HP one, but I really only see the upgrade being worth it if I get near full sRGB gamut and at least 800:1 contrast ratio.

 

I already made a post on another forum (forum here) excuse the Russian language since I wanted the people there to understand what I was saying. Chrome translate should work fine. Basically, I have been all over panelook.com but I've recently come to the realization that laptop manufacturers heavily customize the pinouts in the use of eDP output and eDP cables and that different screens also have different pinouts (as in, pin "x" could be a data lane on one motherboard/screen but ground on another).

 

It's very confusing and one problem is that half of the screens I'm interested in do NOT give access to the PDF data sheets for regular people. I've looked everywhere and asked as many people as possible and cannot get data sheets for the screens I'm actually dealing with. I'm very interested in the NV156FHM-N4B and B156HAN04.5 screens, both being decent 1080p displays. I also ordered another cable just in case (6017B0975601). My original HP screen is the B156XTN07.0 HW0A, so any screen that follows the same basic pinout as that I assume should work, and as long as the BIOS and cable have 2-lane capability.

 

I would really appreciate help in figuring out how to determine compatibility with any display or cable, or whether my current cable (DC02002WZ00 rev 3.0) is FHD capable or if I need a new one, and what the manufacturer model number of the HP spare FHD screen (part# 798933-011) is. The HP part number isn't enough to find the screen on panelook.com.

 

edit: Apparently the HP FHD # 798933-011 might be the B156HTN03.8, but It's hard to verify pinout because I can't get access to datasheets. If I could get datasheets for all of the displays listed in the post that would be incredibly helpful. Panel look says my original B156XTN07.0 HW0A screen uses the "EDP-30P1L-030K" pin configuration while the HP FHD probably uses "EDP-30P2L-020A". It's possibly both connectors are similar enough that any EDP-30P2L-020A screen will work with my stock motherboard and cable, but I am not sure. I don't need the webcam to work, just the screen to work with brightness adjust functionality. The B156HAN04.5 is also EDP-30P2L-020A.

 

Thanks for the help!

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