lenovo w541 lcd panel made in china

Backward roll! Lenovo"s 15-inch workstation was just slightly changed and is now called W541. Besides some small technical developments you also get changed input devices. Lenovo, however, missed the chance to improve other weaknesses. We had a closer look at the result.

Lenovo"s mobile workstation from the W-series got a completely new design in the last model year and there were some changes compared to the predecessor ThinkPad W530. It is no secret anymore that not every change was really user-friendly. Chassis quality, ClickPad, issues with the build quality and the limited upgradeability affected the good reputation of the desired series. Lenovo now tries to fix some of these issues with the new ThinkPad W541.

The ThinkPad W541 basically uses the same chassis, which means Lenovo did not improve the weaknesses of the ThinkPad W540 in the area of the palm rest, above the ExpressCard slot and at the lower display frame. Quite the contrary: We only have to rest our hands on the palm rest to provoke an audible contact between the outer shell and the internal components. It appears that stabilizing elements are just missing, so we do not get the stiffness that we expect from a ThinkPad.

The only obvious change is the touchpad. While the size of the indentation in the palm rest is similar, Lenovo cut off the upper part of the ClickPad and replaced it with three dedicated TrackPoint buttons. The touch sensitive surface is now smaller with around 100 x 56 millimeters.

We can see the reason for the comparatively low chassis stability when we look at the weight. It seems that the goal was a weight reduction: The Lenovo ThinkPad W541 weighs 2,600 grams (with 99-Wh battery), which is very light for a conventional mobile 15-inch workstation. Toshiba"s Tecra W50 weighs 2,710 grams and the very sturdy HP ZBook 15 G2 weighs at least 3 kilograms.

Lenovo faced a lot of criticism for the integration of the so called 5-Button ClickPad and the manufacturer now revises its decision for the ThinkPad W541 and many other ThinkPad models, at least to a certain extent. Users now once again get separate TrackPoint buttons, which will be good news for fans of the TrackPoint since the handling can now almost keep up with old models and you get a much better feedback from the buttons. It seems that the touchpad itself was reworked as well: The integrated touchpad buttons at the front of the ClickPad now also react in the peripheral areas and therefore provide a much better feedback compared to the previous generation. The touchpad also provides good gliding capabilities and executes inputs reliably.

Lenovo still offers the ThinkPad W541 with a Full HD TN display (1920x1080) or a 3K IPS display (2880x1620). Our review unit uses the same 3K IPS panel that we already evaluated in our review of the Lenovo ThinkPad W540. We also suspect that the Full HD panel will be similar to the previously tested model.

Lenovo still offers a large portfolio of processors you can choose from. The spec sheet lists seven different models, starting with the Intel Core i5-4210M all the way up to an Intel Core i7-4940MX. They can be combined with the Nvidia Quadro K1100M or the Nvidia Quadro K2100M as well as numerous storage solutions. Configurations with a quad-core processor support up to 32 GB memory. A detailed list of all the options is available in Lenovo’s PSREF sheet (Product Specifications Reference).

The performance of the Intel Core i7-4910MQ could not convince us in the review of the HP ZBook 15 G2. We were pretty disappointed with a performance advantage of just 2 up to 10% compared to the Intel Core i7-4710MQ quad-core processor. This comparatively low performance is generally no problem for the ThinkPad W541 and we can see much better results in all CPU benchmarks. Cinebench R10, for example, determines 5,576 points (single-core) or 22,085 points (multi-core) for our review system; Cinebench R11.5 64-bit determines 1.72 points (single-core) and 7.99 points (multi-core). The result is an advantage between 10 up to 20% over the Intel Core i7-4710MQ, so it is worth considering.

Lenovo equips the review unit with a Solid State Drive and a generous capacity of 512 GB (gross). Users can use around 411 GB after the initial setup. Bloatware is no problem for this ThinkPad and you can only find the usual Think Tools. The performance results of the Solid State Drive are good with up to 523 MB/s for read operations and 440 MB/s for write operations. The low access times and the silent operation are other advantages.

We already reviewed the Nvidia Quadro K2100M a couple of times in our tests of mobile workstations. The performance in our internal ranking is pretty much in the middle and according to the manufacturer it is the most powerful solution for a 15-inch notebook. Compared to the AMD FirePro M5100 it cannot really convince us, both in respect of the performance as well as the price. However, the alternative from AMD is still not available for the Lenovo ThinkPad W541, which means you will have to choose a Dell Precision M4800 or HP ZBook 15 G2 if you prefer this GPU.

The Lenovo ThinkPad is basically silent with light workloads and therefore hardly audible at all, the only thing you can hear from time to time is a restrained electronic humming. Medium load results in a noise of 37.2 dB(A) up to 40.5 dB(A) from the fan, which is increased to a maximum value of 42 dB(A) under maximum load. High-pitched sounds or a pulsating fan were no problem during our review.

The temperature development of the Lenovo ThinkPad W541 shows that the cooling concept is already working at its limit in this configuration with an Intel Core i7-4910MQ (TDP of 47 Watts). We were able to measure up to 57.5 °C at the bottom around the fan exhaust after one hour of sustained maximum load. This is much more than we measured last year for the two ThinkPad W540 laptops with 44 °C and 48 °C, respectively. This raises the question of how the Intel Core i7-4940MX behaves in combination with the cooling solution, since this processor does have a Thermal Design Power that is even 10 Watts higher (57 Watts).

As usual, Lenovo does a good job with the power consumption. The minimum consumption of 11.3 Watts is very low, and the value is even reduced to 7.9 Watts when you turn off the display. We were able to measure a peak value of 121.9 Watts for a very short time, which was reduced to 74.5 Watts after around 5 minutes due to the performance throttling. Similar to the fluctuations of the CPU clock, the power consumption fluctuates between 121.9 Watts and 74.5 Watts under sustained load as well. The power adaptor is specified with a nominal output of 170 Watts, which means it has sufficient headroom.

Lenovo announced a strong candidate for the highly competitive workstation segment with the W-series. A very good keyboard, a convenient display, the solid performance with low noise emissions and the convincing price-performance ratio are actually very interesting. The low weight, the large battery and the resulting long runtimes convince on the road. Another positive effect: We cannot find any build quality issues in the keyboard area anymore, and the return of the TrackPoint buttons shows that Lenovo listens to the users.

A nice unique feature is the integrated X-Rite colorimeter. It enables a simple and pretty good calibration of the panel without additional hardware. Besides the better color accuracy it also improves the mobility and the motivation to calibrate the display regularly.

The heavily limited performance on battery power does at least have a positive effect on the battery runtimes and shows Lenovo"s focus on good mobility. Overall, the Lenovo ThinkPad W541 leaves mixed impressions. If you can live with the mentioned drawbacks or partly compensate for them with an alternative configuration, then you get some appreciated unique features for a fair price.

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Hi, I haven’t modded the bios yet. I haven’t had the need to. I think there is not enough space to clamp the clip, you need to remove the entire backpanel.

You got a pretty good deal on the CPU! Most Haswell mobile CPUs are well overpriced on Ebay from my opinion: they range from 100€ to 150+€! Overall mine costed me a bit more: 500€ for the laptop with 4712MQ, 16GB RAM, 500GB SSD, FHD IPS Panel (LG). I upgraded it with: T450 trackpad (35€), azerty keyboard (38€), TP-Link Nano Wifi (8€), hdd bay (6€). That’s about 560€ for the upgraded laptop, after selling replaced parts.

Hi TayGumi, the Thinkpad T440p and T540p doesn’t have the same heatsink. T540p heatsink is bigger and the same as the w540 and w541 (the last one having the physical buttons trackpad).

I got a T440p with the i7-4600M and 16GB of Ram for a total of 115. No SSD/HDD and there’s some slightly more white spots on the screen (they don’t actually bother me).I just ordered a 128GB SSD for 25 euro and a B140HAN01.3 for 50 euro (from China). Had the guy make me several pictures and confirm that he’ll be sending an exact model and not a copy or compatible panel (really wasn’t too sure he understood what I was saying).

Hi Ragnar, This is pretty usual. Most T440p come with the TN 1366x768 14 inches panel. It seems like this panel doesn’t age very well. I have bought multiple t440p with worn out displays: I don’t really care since I immediately replace it with the FullHD one.

Hi, very nice article, that convinced me to purchase a t440p! I bought a trackpad from ebay (alps version unfortunately, but if it works its ok for me ). The problem is that it is stuck at lenovo boot logo without giving chance to get into bios, with old trackpad instead it works perfectly, any suggestions on what to do? Google it’s not my friend in this case as I can’t find any help online. Thank you !

Make sure to ask the seller if it’s a genuine LCD panel (and not a compatible one). Ask them which LCD they have in stock (if any). Don’t buy any compatible LCD as those are generally of poorer quality. I bought mine on Aliexpress but got one with several dead pixels, so I wouldn’t recommend the seller which I bought the unit from.

Hi Roger, I don’t really know the T440s, however it seems quite different because it relies on a ULV Intel CPU. The chassis is also a bit different (thinner). You can’t swap the CPU of a T440s, but you can definitely swap the LCD panel. However, the screens suitable for the T440s might be different. I suggest you to ask on Reddit Thinkpads. It’s the single most valuable resource regarding Thinkpads.

Hi Lars, Thanks for the info! The BOE NV140FHM-N41 seems to have only 262K colors, which should position it at 42% sRGB coverage. With a max power consumption of 4.1W (vs 4.6W for the LG panel), it’s less power hungry.

It seems like this panel equips the Lenovo Yoga 510. I wouldn’t recommend it as it has a PWM frequency of 350Hz (screen flickering) which may result in eye strain. On the other side, the LG panel has a PWM frequency of 21370Hz (see Razor Blade 2017 Review).

I talked to a redditor that said : “the NE140FHM-N61. It should be the best FHD panel for this laptop for now since it’s the low power 400 nits T490 panel.”

Hi Lars, according to Lenovo T490 review on notebookcheck, this panel has PWM too (2427Hz). While it provides an excellent color coverage (92.2% of sRGB), the response time is between 44ms (black to white) and 71ms (grey to grey).

Thanks for the extensive review. I am on the lookout for building a T440P. The only thing that is not clear to me is which screen is considered the best so I would like your thought on this. Could you also elaborate on this: “Always make sure the item description doesn’t talk about compatible LCD”.If you could send me some links that would be great. Thank you!

Hi Jim, Just make sure you get the advertised panel, not a “compatible” one. Compatible LCD panels are equivalent to branded LCD but have usually lesser quality (lower color coverage, higher response time). Definitely not worth the money when you spend a lot to get a genuine LG panel and receive a cheap chinese copy instead.

I notice that a few of the cheapest panels list themselves as being made by AU Optronics but I have a feeling they aren’t. If they were, then they wouldn’t be so coy about showing the labels on the back of the screens.

I have been looking everywhere to buy a replacement screen LG LP140WF3-SPD1 on places like ebay, alibaba, aliexpress, even contacted some suppliers on “panelook.com” but all I could found were compatible screens. Could you please provide me with some websites I could look into? Or maybe even specific listings? That would be a huge help.

1080p LCD: I had a B140HAN01.3 in a T430s before and found it a little dull, not bright enough. So I gave a try to the Innolux N140HCG-GQ2 rev.B1. VERY happy with the Innolux 400cdm brightness. Almost no color adjustments. BUT this Innolux does not have tabs on the rim, no way to screw it in place. My work around: (this Innolux is a lot slimmer) took the metal rim from a broken screen, did some trimming at the bottom, put 3M dbl-side tape on the rim, screwed the rim in place, and aligned the Innolux onto the rim. (Innolux is a few mm less wide than original lcd) Put back the bezel. There is light gap between the bezel and the front of the LCD, which I could get rid off by adding some shimming between the tabs and the top cover… but I did not bother… gap is not noticeable. I’m really satisfied with the screen and the installation.

Can you tell me a bit more about the solution you did to ameliorate the space between the lcd and the bezel? I also have the same problem on the bottom part of my bezel. I suspect I might have damaged a plastic connector from the bezel that is not able to stay in place when I put it back together.

It has a resolution of 1600x900, which is OK but I am considering upgrading to FHD. I tried to follow your advice and find a genuine panel (AUO or LG) but the only option I found is through the Lenovo website for >$300. I can’t spend that much.

I was wondering if you (or anyone else) knows where to find genuine panels (I have contacted sellers on eBay, aliexpress, etc but they all carry the “compatible” panels). Alternatively, do you know if the quality of compatible panels has increased since you first wrote this?

Can someone plug in an external monitor into the VGA port and tell me if you can see the bios & OS in both the internal LCD and external VGA monitor at all times ?

I’ve bought mine for about $115 with a 4300M CPU, 1600x900 screen and no RAM or HDD (It was the cheapest working T440P that I could find for sale in my country, and I’ve had 16GB of 1600MHz RAM and a 240GB SSD laying around, so didn’t really care about the lack of these components). I’ve found an incredibly good deal - a synaptics T450 touchpad for $12 and I’ve bought this display: https://www.amazon.de/FTDLCD%C2%AE-N140HCE-EN1-REV-C2-Display-Bildschirm/dp/B07GFF375V/

Now thats my question, i cant find antrhing on the net that speaks about this modd i want to do, and i guess that all the lenovos t440 that were touch came with full hd resolution.

For touchpad replacement with a Synaptics touchpad, there’s a much easier way to install the drivers! You can just install the latest T440p touchpad driver, even automatically through Lenovo System Update is fine, and then apply a registry file to change the touchpad settings to the correct model. You can find more information, and the registry file, here: https://blogs.ethz.ch/heim/2017/01/02/enhance-a-thinkpad-t440p-with-physical-trackpoint-buttons/

I am currently running an 860 EVO 1TB SSD in SATA bay, kept the disc bay since it comes in handy at my place of work. 16 GB of RAM (samsung 1600 Mhz - the price on Amazon was very fair), 4702MQ CPU, Synaptics Thouchpad and the FHD LG IPS panel.

For anyone ebay trolling, I got an authetic B140HAN01.4 from seller lcdbeststore - I actually ordered a LP140WF3-SPD1 LP140WF3 so not really what I ordered, but it works fine and is in good condition (seems as good as new). Glossy. Linux confirms:

This is not an endorsement, just stating facts of my experience. Really not digging the 3rd party lcd screen seller drama, that’s for sure. Just happy to have a decent screen even if it’s not the one I ordered.

Have you ever faced a situation in which you opened your laptop or ThinkPad and saw nothing but a constant black screen? Looks disaster, right? But don"t worry. Your Lenovo desktop black screen is not a big issue to solve! There could be various reasons for this issue. It could be a loose GPU connection, damaged port, or a faulty display, or any other.

So, to help you solve this issue, the article provides all the essential information about the possible reasons that lead to the Lenovo ThinkPad black screen, effective methods to fix the issue. Moreover, it also offers a reliable way to recover data from a crashed system. Let"s get it!

Now, the fact that your Lenovo laptop"s black screen could result from numerous possible reasons sometimes makes it difficult to find the real cause. Here"re some of the key factors that lead to such problems:

As seen in many cases, one of the common causes of your Lenovo laptop"s black screen is related to hardware glitches in different components. Over time internal cables in your laptop wear out, and a damaged internal cable might cause the problem. Moreover, overheating your laptop might a graphic card crash, which would have corrupted your video display.

The faulty battery could also be a possible reason for your Lenovo Ideapad Black Screen. Unplug the charger from the battery source, and if your laptop suddenly goes blank, then it"s a battery issue. Try to replace your battery with a working one for confirmation.

Can a faulty battery cause a black screen? Yes, it could! If the power supply network has any issues, it might be responsible for Lenovo ThinkPad black screen issue.

You might wonder how power supply would lead to such a situation. Issues with the power supply can make your Lenovo’s screen turn black, which can cause quite a lot of problems for you.

As mentioned earlier, even when Lenovo laptop black screen seems like a huge issue, it is not. Only if you know various aspects of the issue will you be able to solve the problem. Here are the nine effective methods that can resolve the problem.

This will reset the connections, and the Windows OS may regain the display. Once done, check if it works, and you could see the normal display on your Lenovo laptop. If the above method doesn"t solve your problem, move to the next option.

Step 3: Now, click on the "Fn" key and "CRT/LCD" tab (either F5 or F8). Keep on clicking on it until the content of your laptop is displayed on the external monitor.

Just like non-peripheral devices, peripheral devices can also result in your Lenovo ThinkPad black screen issue. Have you noticed some dots spinning in the boot-up process? If yes, then you should do a hard reset on your laptop to check it. The following steps will guide you to do so.

If your Lenovo laptop boots up properly, it was one of the peripheral devices causing your Lenovo laptop"s black screen. Now, connect all your peripheral devices one by one until you reproduce the black screen again. This way, you will know which device was causing the issue. If the issue persists, then the problem could be something else.

Lenovo laptop black screen can also occur if you use the wrong graphic drivers or an outdated one. But you won"t be able to update the driver on a black screen, will you? Well, in this case, you can try turning on your laptop in safe mode. When you start your laptop in safe mode, you may be able to update your graphics driver. Now, follow the steps mentioned below to run your computer in safe mode.

Explorer.exe manages various essential operations, including desktop, taskbar, among others. Now, if it"s closed in your system, your desktop and taskbar will become invisible. So, it could be a possible reason for Lenovo"s black screen of death.

Windows 10 is equipped with an incredible feature called Fast start-up that makes your system boot up faster. However, it"s a tricky method that can also mess up the start-up process. So, if it"s enabled on your laptop, this could be the reason why your Lenovo laptop black screen issue occurred. The steps below will help you to disable it to avoid such incidents.

Reseating the memory module is a procedure in which a RAM chip is removed from the DIMM slots and correctly placed in the slot. It"s a typical process used for plenty of laptop issues. These include long start-up time and system reading incorrect memory space, among others. As it is also a useful option in Lenovo laptop black screen issues, follow the steps below to reset the memory module correctly.

If your Lenovo black screen issue is a recent development, it might have happened because of some new installations or upgrades. These types of system glitches do occur when the new programs are not compatible with your operating system. In such a scenario, a system restore would be an efficient way to solve the issue. Follow the steps ahead to know how to do so.

Although you can test out all the necessary solutions to save your Lenovo laptop"s black screen, it would be better if you’d know how to prevent it. Black screen issues can get quite fatal in multiple situations; thus, it is important for you to understand the importance of the safety of your appliances. To save yourself from such situations, you can look over the following tips.

If the black screen is not caused by damaged hardware, you can recover the unaccessible data on the computer with Recoverit. Even when you can solve the Lenovo laptop black screen issue, you might face data loss from hard drives and turn to Recoverit to get your lost data back. Recoverit Data Recovery software application is one of the best bets to retrieve lost files and data.

As the crashed computer becomes bootable again, you can choose the data recovery. Select a hard disk for the scanning and connect a hard drive to your Lenovo laptop. After the scanning process is completed, select a hard drive to connect to your laptop and click on the "Recover" button to recover data.

Lenovo"s desktop black screen problem can be solved in multiple ways. Especially where you cannot see the content of your laptop might make you anxious. The article helps you understand the possible reasons for some of the effective solutions. Use Recoverit software to recover all the data lost due to the crashing of your Lenovo laptop.

The IBM-Lenovo THINKPAD W541 20EG0004US replacement screen uses a color active matrix TFT (Thin Film Transistor) liquid crystal display (LCD) that uses amorphous silicon TFTs as switching components. This IBM-Lenovo THINKPAD W541 20EG0004US replacement panel is composed of a TFT LCD panel, a driver circuit, and a backlight unit. This IBM-Lenovo THINKPAD W541 20EG0004US replacement LED Screen can display up to 262,144 colors.

LAPTOPPANEL.com.auonly sell Genuine, High-qualitylaptop panels made by well-known manufacturers. All laptop models use the same types of panels as the ones we supply so they are 100% compatible with all laptop models. There are no fake or generic panels on the market because they cost a lot to make and they’re not easy to manufacture. Subsequently, only large corporations have the ability to manufacture LCD panels. These include AUO, Chi-Mei, Toshiba, Hannstar, Chunghwa, Samsung, LG Philips, Sharp, Hydis Hyundai, etc. They are also well-known suppliers of other electronic components.

* Please note,we will provide a screen that is compatible to the model you request. Often, the model that is compatible may have a different model number to the original panel number.