Laptop Screen Upgrades

Hi, I don't know if it's OK to double post, but I found out why my monitor isn't working. It was just the back light that wasn't working. I shined my phone light from the back and it's displaying properly. Is this because the monitor is faulty, or could it be because the motherboard/cable does not support it?

 

can you turn on brightness option ? because there some rumor that some LCD have 'saving' brightness option....

 

So, I noticed that the more recent 144 Hz panels don't come with mounting screws, whereas the ones up till ~2018 did ( no mounting screws on left, with screws on right):


I presume the displays without mounting holes are for narrow-bezel notebooks. Has anyone experimented with mounting the displays without holes on a notebook that comes with said holes?

Is this possible at all without glue?

 

double sided adhesive? gluing in some mounting tabs?

 

Hello everyone,

I had a Dell Vostro 5460 and hope to change the internal screen to one with higher resolution. From what I searched from the internet the original screen is B140XW02 V3 (14'', 1366x768, 40-pin LVDS). I hope to swap it with a B140RW02 V0 (14'', 1600x900, 40-pin LVDS). The only problem is the latter uses 2-channel LVDS while the original one uses 1-channel. I can't find any existing cases of upgrading display panels of this laptop model. Is it possible to find out whether the motherboard supports 2-channel LVDS output?

 

Hello, I have the LG LP156UD1-SPB1 (4k screen, 40 pin eDP) which broke. I was trying to replace it with a 120/144hz 1080p screen.
Do you think that the B156HAN07.1 (also 40 pin eDP) could work?
Besides that, do you know if I could have problems with the eDP version since the original screen has an eDP 1.3 and the new uses an eDP 1.4 version?

Here's a comparison between the panels: http://www.panelook.com/modelcompare.php?ids=30300,34302,26868&del_id=30300

 

Hello, I have an MSI GS63VR 7RF with the LG LP156WF6 panel and I'm willing to upgrade it to a 144 Hz IPS panel made by BOE, model NV156FHM-N4B. http://www.panelook.com/NV156FHM-N4B_BOE_15.6_LCM_parameter_34862.html
Through my research, the MSI laptop has an LCD whitelist in the BIOS that prevents non validated monitor to have adjustable brightness and considering the panel that I'm planning to purchase is certainly not going to be in the whitelist, I will have that problem certainly. I know it's possible to remove or add the monitor to the whitelist by modding the EDID in the bios but I was wondering if it's possible to do it on an MSI laptop and how hard will it be? Will a BIOS unlock be sufficient or will it need more thorough modification?

A safer bet will be using the panel found in the GS63VR 7RG, which is a 120Hz TN panel by Chi Mei, model N156HHE-GA1 but since I often do colour sensitive work, a TN panel is not ideal.

 

So, there now exists a 10-bit 1000:1 144 Hz 1080p 15.6” LCD panel: the AUO B156HAN10.0.

 

So I went ahead and ordered the BOE NV156FHM-N4B 144Hz panel to replace the LG LP156WF6-SPB1 that came standard on my MSI GS63VR and I can happily say that the replacement was a success and no compatibility issues were found. Runs at 144Hz, 8-bit with full brightness control intact.

I bought the panel on ebay from a german reseller called "touchandscreen". There are no apparent dead or stuck pixels that I can see and while the backlight bleed could be better at some edges, it's perfectly acceptable. Panel uniformity is also good.

I can say that this display panel is very good out of the box, miles ahead than the stock uncalibrated MSI panel. Subjectively the whitepoint on the BOE is more neutral than the LG which was very blue and colours seems to be fairly accurate on its uncalibrated state while the stock panel was just poor everywhere.

I then used my i1display pro to objectively measure its performance uncalibrated and calibrated. Here are the results:

Gamut coverage:

Not the advertised 100% sRGB coverage but I didn't expect to reach 100% anyways. Still an improvement over the 84% coverage of the stock panel and it's definitely noticeable.

Colour gamut coverage graph:

Here you can see that it just misses by a bit in the green and red. This might seem bad for colour critical work but it's actually not. More on that later.

Uncalibrated results between the stock panel (LG LP156WF6-SPB1) and the new panel (BOE NV156FHM-N4B)
RGB+Greyscale UNCALIBRATED ( LG LP156WF6-SPB1)

RGB+Greyscale UNCALIBRATED ( BOE NV156FHM-N4B)

As you can see, the BOE has a whitepoint that is much closer to the standard 6500K temperature and an average/max delta E that is much lower than the stock panel.

Calibrated results between the stock panel (LG LP156WF6-SPB1) and the new panel (BOE NV156FHM-N4B)
RGB+Greyscale CALIBRATED ( LG LP156WF6-SPB1)

When calibrated, the stock panel has a very slight green tinge when displaying a white colour but still cannot properly display accurate skin colour, missing a bit of the redness on skin and the green colours tend to go slightly to the yellow-green side. Not good enough for colour work.

RGB+Greyscale CALIBRATED ( BOE NV156FHM-N4B)

The BOE panel responds well to calibration and the average and max delta E are well below the calibrated stock panel. While this panel might only cover 90% of the sRGB range, the delta E values are very good and very much adequate to do colour accurate work.

The reason why I didn't go for the ChiMei N156HHE-GA1 is that Notebookcheck calibration of that panel has very high delta E (avg: 2.8 / max: 5.2) even if the panel can show 100% sRGB, meaning that it doesn't respond well to calibration which is not ideal for colour work.

So TL;DR, I recommend this panel for people looking for a 144Hz 30-pin display and want very good colour accuracy.

Edit: Forgot to mention that the panel has a maximum brightness of 330 cd/m², a bit more than the stock panel

 

All 7th gen Intel cpus (Kaby Lake) and newer support eDP 1.4.

 

AUO have made a 4K 120Hz OLED display for gaming laptops!

https://www.anandtech.com/show/1480...-displays-foldable-amoled-173inch-4kp120-oled

 

Awesome news, but the question is when it is going to be available in a manufacturer's laptop ... I hope soon Any idea on how long it usually takes between such news and the availability ?

 

Hi!
I have a Dell precision 7530 that have a 6bit 1080p screen I really want to upgrade. I want to go up to 4K and I would like 100% AdobeRGB and 10bit if its possible. Is there a way to know what panels are compatible with My laptop? I would like to get high brightness also preferably over 400 nits.

 

AUO B156ZAN03.1 or Sharp LQ156D1JW02.

 

Thanks! The AOU seems Nice because Of 400 nits but it seems to lack the mounting holes. Could i just use doublesided tape? The lid is not so stod though as it goes down when I push on it.

What do you think about the AOU B156ZAN04.1? That one is 500 nits and 10bit

 

The interface will be the big question. A 40K 60hz screen almost maxes the bandwidth of a 4 lane eDP connection, 63Hz is a hard limit on the two 4K panels I've had. Mind you even something with a faster transition running 'underclocked' at only 60Hz would be something I'd maybe consider, the 20-30ms on the B173ZAN01 panel is not great for fast paced action games.

I highly doubt something that pushes double throughput per pin (whether a new DP spec or even PCIe 4.0 based or not) or needs 2x lanes, will work with anything on the market right now. That's assuming it's a native uncompressed signal and not some kind of Pentile junk *shudders*


Notwithstanding the push with 4K gaming has stalled on desktop as it is, Nvidia has gone silent on BFGD and have shifted to shoving RTX features down the market's throat, it won't be years until something has the grunt to run 4K120 RTX on, especially not on the slow mobile RTX with mobile mGPU dead.

 

I've purchased the 10-bit B156HAN10.0 display for US$88. We'll see how it goes.

 

I've gotten myself the B156HAN10.0, but unfortunately it comes with a 40-pin eDP connector with 0.5 mm pin pitch, whereas the cable I have has 0.4 mm pin pitch, and I realised this through this thread. @t456, any updates in the past two years? Are pnp adaptors any easier to find?

 

Whats your plan when it comes to mount the panel B156HAN10.0? It doesnt have mounting holes according to panelook

 

I am planning to upgrade the screen on my Dell G3. I am considering the N156HHE-GA1 and the NV156FHM-N4B. The latter costs 30 USD more so I was wondering if it is really worth the price increase. The laptop is used mostly for gaming and media consumption (No video or photo editing).

Would appreciate any advice from people that have tested any of these panels. I am also open to other suggestions for panels within the same price range.

 

Sadly not. At least, did a quick search on Ali and Google images, but all pnp adapters are meant for CCFL -> LED conversions and these also disable some of the pins, even apart from having the wrong wire count and pitch.

Do have a few of those 0.5mm pitch adapter boards and think they're quite easily solderable due to the alternating rows. A magnifier would be useful and a multimeter is essential; you want to verify each pin has a good connection and check for inadvertent shorts with the pin right next to the one just soldered. The hard part might be in stripping the wires from the 0.4mm pitch cable. I'm building a custom cable for @Blacky and turns out the original LVDS cable had a shielded coaxial design, same as a TV cable. Thing is that each wire is 0.1mm thick (so about 60x smaller) and the shield is taking up the function of all grounds in order to do away with a dozen wires midway in the cable. With this setup you'd have to strip the plastic first, expose and peel back the shield strands and then strip back the second plastic wrap in order to expose the six or seven data wires (even combined they're thinner than a single hair). That really wasn't humanly feasible, so resorted to using a diy cable that didn't have shielded wires. If you're luck then the original eDP cable isn't shielded. However, in order to find out it requires sacrificing one of the wires (there's several voltages and grounds).

Before taking that path I'd search for original cables from other systems that use the B156HAN10.0 or compatible panels (use Panelook for that). With a bit of luck you'll find one that uses the same connector on the mb end and has sufficient length to reach the panel. Pin-out will be difficult to verify at the mb side though, but a cable from another Dell would stand the best chance.

 

@t456, thanks for that detail.

Well, the cable I have from Dell combines the webcam and the eDP cable into one, looks like this:





The 40-pin side is interesting: it appears to be missing a few wires. This cable is meant to power the Sharp 15.6" 4K 60 Hz display; I'm quite certain it'd work alright for a 144 Hz 1080p display.

 

Yes, it's a four-lane cable, so it has sufficient bandwidth (the blue-yellow end is all data). No panel has all its 30 or 40 pins connected, so it's perfectly normal if a few are missing. Some being factory-only, not in use or the laptop manufacturer decided to combine a few grounds or voltages in a single wire.

 

I can confirm that DIY cable adapter is far more complicated to do than in theory.

 

I have the ASUS ROG STRIX G531GD with 144Hz via 40 pin eDP cable. Do you think its gonna work with B156HAN10.0?

 

Hi guys !

@Hopper82 has a Dell Precision 7740 with AU Optronics B173HAN01.3 [AUO139D] as display .
( http://forum.notebookreview.com/thr...ecs-release-date.827802/page-27#post-10946454)
As you can see from the above link, hwinfo shows it's 8-bit display (he stated that even "advanced display settings" reports 8-bit)

The strange thing is that this same exact panel was also on this Dell Precision 7730 ( http://forum.notebookreview.com/thr...0-owners-thread.820539/page-163#post-10835786).
Here hwinfo clearly shows that it's a 6-bit display.

The only differences are "Dell P/N" and "Date of manufacture":

Dell 7730:
[DELL P/N 257DG]
Date of manufacture: Week:10, Year:2018

Dell 7740:
[DELL P/N 6HK8X]
Date of manufacture: Week:5, Year:2019

Different Dell part number is due to different model (7730 vs 7740) even though it's the same display.

Question is: Can a manufacturer improve panel specs (color depth in this case) but still keep its original id name ?

Panelook has always reported for this screen '6-bit'
http://www.panelook.com/B173HAN01.3_AUO_17.3_LCM_parameter_33384.html

Do you know if is there any reliable software to check real display specs ?

@t456 Any tips ?

 

Sure, the decision is the manufacturer's.

It might simply have to do with the panel being an early revision or an entry error in the edid. It'd be a bit unlikely if Dell specifically ordered a batch that reported lower bit-rates than the panel could handle, but who knows ... the ways of marketing shenanigans are perilous indeed.

Not as such. All software solutions will poll their information from the edid, but you could make this claim ' 16-bit per pixel' if you'd want to.

The best bet is simply checking the reviews and their measurements; most 6-bit panels top out at around 60-65% sRGB and 8-bits can do ~90-95%. It is not a foolproof method though since the bit-ness of the panel merely indicates the number of discriminate steps within the specific led's brightness range. If the low-bit panel could cover a theoretical 0-100% spectrum of blue and the high-bit only 10-90% (due to limitations in the panel's blue leds) then chances are you'd pick the low-bit as being the better screen. Measurements would also lean in this direction.

Of course, if the 2018 version really is 8-bit then the result would still be quite poor if it reported itself as 6-bit and a 6-bit signal was then sent to the screen (the difference is 64 vs. 256 intensity levels per colour, so that should be quite noticeable if the screen is otherwise identical).

 

Hi and thanks for your reply !

So do you consider 'advanced display settings' in win10 a more reliable source than any software like hwinfo ? Or it's just same method used ?

Could you please explain me what 'edid' is ?
Is this an online database from which softwares read info ?

I don't think so, because panelook has always reported that panel as 6-bit.

Moreover, those who have purchased Dell Precision 7530/7730 with FHD displays that have posted on this forum, they have all shown a common thing: 6-bit as color depth.
Only UHD guarantee 8-bit (but may encouter scaling problem due to high dpi with some software).

@Ionising_Radiation reported the following:

His previous panel was this: LGD0540
http://forum.notebookreview.com/thr...0-owners-thread.820539/page-165#post-10836560

The 'banding' issue has been quite a problem and actually a big disappointment considering what type of notebooks we are talking about.

For instance:

Here 'banding' is clearly visible with igpu enabled (while it's way better looking when disabled):
http://forum.notebookreview.com/thr...30-owners-thread.820539/page-73#post-10785925

And that is a 17,3" UHD panel (so even on advertised 8-bit !)--> http://forum.notebookreview.com/thr...30-owners-thread.820539/page-72#post-10785835

Even this guy ( http://forum.notebookreview.com/thr...0-owners-thread.820539/page-201#post-10882922)
reported that turning off the igpu in bios resulted in sharper image quality and no more banding
(but then he was unable to change the brightness of the screen).

Banding or 'Pinstripe effect' even noticed on FHD touch display:
http://forum.notebookreview.com/thr...0-owners-thread.820539/page-265#post-10947663

And as you can see here ( http://forum.notebookreview.com/thr...0-owners-thread.820539/page-265#post-10947847) 'touch' display is just a 'normal' display with a digitiser attached on it.

Indeed that 'touch' display is same exact id name ( LGD0540) found on Ionising_Radiation's original 7350 unit with 'non touch' panel.

 

Does anyone know of a eDP 30P 120HZ or 144HZ+ 17.3" panel for a M6800? The only documentation I've found is someone installed a LTN173CTxx in a M6700 which has the same eDP 30Pin socket

 

Is the NV156FHM-N4B worth spending 30 more dollars over the N156HHE-GA1 for my Dell G3. Mainly use the laptop for esport gaming (casual player) and media consumption.

I'm also open for suggestions on other panels.

 

Hello, I bought the screen AUO (B173ZAN01.0) (screen helios 500 4k) to replace my screen. Fhd 144hz (B173HAN03.1) from my acer predator helios 500 .I think the connector is only compatible in FHD even if it has 40 pins ...
I do not get any image but the screen is recognized in hwinfo64. Thanks for reading me

 

I just replaced my Full HD screen in my Acer Predator 17 (G9-793-79V5) with an AU Optronics B173QTN01.4 120Hz QHD, and the screen does not show the Acer Predator logo before booting into Windows 10 (and, as a result, I cannot access the BIOS). After a black screen for several seconds, during which time the Acer logo should be displayed, it boots right into the Windows 10 log-in screen, and after I type my password or PIN, Windows displays and functions completely normal. If I put my previous screen back in, an Innolux (or, Chi Mei) N173HHE-G32 Rev.C3 120Hz Full HD, the Acer logo displays as normal during boot, and I have no problems entering the BIOS. I'm reasonably certain my new screen is a genuine AU Optronics brand; at least, that's what the label on the back of the screen indicates.

Anyone have any ideas as to why my Acer logo isn't displaying during boot with my new screen (it actually appeared for about 1/2 second once during a boot up, but that was the ONLY time)?

When I first bought this laptop, it had an LG Full HD screen, with a 30-pin cable. I upgraded to the 40-pin cable and what I thought was an AU Optronics 4k UHD screen (but, the label didn't identify it as AU Optronics; it had no brand listed). That screen worked OK for a while, but then developed these red "splotches" on the screen, so I replaced it with another AU Optronics 4k UHD screen that someone was selling on eBay (he was a gamer who had replaced that screen, which was 60Hz, with a 120Hz Full-HD screen). I had to replace that 4k screen after a while, because it started occasionally not showing the Acer logo during boot (I'd say that happened 2 out of 10 boot ups) - hmmm, sounds familiar. Is the Acer logo not showing because of an incompatibility with my new screen, or could there be something wrong with my computer or BIOS?

Thanks!

 

https://item.taobao.com/item.htm?sp...pHplkO&id=591149244719&ns=1&abbucket=9#detail

This seller seems to be selling 2 different 40 pin connectors for the 7530 one with narrow pins and one with wide. Maybe the wide one is 0.5 dot pitch?

 

Just because you don't see the Acer boot logo, doesn't mean you can't enter the BIOS. Start the machine up, wait a sec or two, then spam the key to enter the BIOS. When the screen catches up and displays, you should see the BIOS screen.

 

I've already tried that; repeatadly pressing F2 immediately after pressing the power button results in the machine just sitting at a black screen forever, until I hit the power button to turn it off. If I DON'T hit F2 during boot, the machine boots into the Windows 10 sign-in screen, just like normal (prior to that, the screen is black for about the exact period of time the Predator logo would be displayed).

Re-installing the FHD screen results in completely normal behavior, meaning the Predator logo appears for a few seconds, then the Windows 10 sign-in screen. FYI; I have "Fast startup" disabled in Wimdows 10.

 

Laptop Screen Replacement for Lenovo LEGION Y530 81FV

 

Asus Vivobook x412F screen replacement (IPS upgrade)

 

Does anyone have any idea when this new AUO 4k 120Hz 17" panel will be out?
https://www.anandtech.com/show/1480...-displays-foldable-amoled-173inch-4kp120-oled

 

Thanks for your answer!
But I have a 6th gen core i7, could I assume that is not compatible? Since it has support for Edp 1.3 and not Edp 1.4?

 

hello,i am looking for a good 60hz fhd 15.6 panel for my acer laptop .As i searched, the auo b156han01.1 is a good option but its impossible to find. Are there any newer series ips matte panel which has %72 ntsc?

 

I'm also waiting for a 17 inch OLED laptop to be released, I hope we'll have some nice surprises at CES

 

Anyone try the new 15.6 4k 10bit panels? B156ZAN04.1 and NE156QUM-N66

 

There may be a space in the BIOS for a boot logo for a different screen resolution that is empty. And, yes... sometimes laptops will need a BIOS mod (EDID added or tweaked) for a screen swap, depending on the screen being installed and how retarded the people that built it were. It is unfortunate that laptop engineers frequently do stupid things with firmware, but that kind of nonsense is status quo now.

 

Acer Aspire 5 A515-41G screen upgrade

 

Hello old friends!! (if any of you are still here...)

I too am seeking an answer to the question below! Are the differences from eDP 1.4 to 1.3 just optional features, or are they more fundamental changes?
wikipedia mentions "regional backlight control, lower interface voltages, and additional link rates" the lower interface voltages part sounds a bit concerning.

I'm looking at putting a JDI LPM140M420 in my t460s (also anyone know if it's actually a 100% abobe RGB panel?)

 

Hi,
I can answer part of the question, it says 100% adobe RGB in Panelook.
http://www.panelook.com/LPM140M420_JDI_14.0_LCM_overview_40108.html

 

no one has an answer? also wondering if anyone knows about an EDP display with a 50 pin connector?

 

@sicily428 , would a successful “ modification “ type of screen upgrade qualify for a mentioned?

 

Actually i have been using B156ZAN04.1 for quite a while now (~2 months). Bought from Aliexpress, apparently its an unused batch produced for Dell by AUO, but Dell never puts one in mass production laptop? Replaced the dreaded stock FHD panel of my Dell G7 7588 with it, need a new 40 pin eDP cable for it too. Working flawless, brightness change okay, HDR okay, except the laptop will refuse to boot with the panel during cold boot. Just power cycle it a few time and it will "bypass" it and boot with the new panel (one of many gimmick i found out about this laptop )
EDID reports nothing (using AIDA64), no support for any kind of power management like stock panel, but panel self refresh works fine.
Small PSA: check the backlight voltage of both panel you currently have and the one you want to upgrade. I fried the motherboard of my laptop when upgrading to a different fhd 144hz panel, unknown reason but maybe due to that. Stock panel min voltage is 5v, new panel is 7v. Smoke....