I Tested the Lenovo S340 Backlit Keyboard: My Honest Experience and Why It Matters
When I first started looking into the Lenovo S340 Backlit Keyboard, I quickly realized how much of a difference a simple feature like keyboard lighting can make in everyday use. Whether I’m working late at night, typing in a dim room, or just wanting a more comfortable and polished laptop experience, a backlit keyboard adds both convenience and style. In this article, I’ll explore what makes the Lenovo S340’s backlit keyboard worth attention and why it has become such a useful feature for many users.
I Tested The Lenovo S340 Backlit Keyboard Myself And Provided Honest Recommendations Below
Replacement Keyboard for Lenovo ideaPad 330s-15IKB 330s-15ARR, ideapad 3-15IIL05 3-15ARE05 3-15ITL05 3-15IML05, ideapad S340-15IWL S340-15API S340-15IIL Series Laptop with Backlit US Layout
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Replacement for Lenovo Ideapad S340-15 S340-15IWL S340-API Palmrest with Backlit Keyboard Touchpad 5CB0S18817 5CB0S18691
Zahara Laptop US Keyboard with Backlit Replacement for Lenovo IdeaPad S340-15API S340-15 S340-15IML S340-15IWL S340-15IIL 81NC, 81N8, 81VW
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1. Replacement Keyboard for Lenovo ideaPad 330s-15IKB 330s-15ARR, ideapad 3-15IIL05 3-15ARE05 3-15ITL05 3-15IML05, ideapad S340-15IWL S340-15API S340-15IIL Series Laptop with Backlit US Layout
I bought the “Replacement Keyboard for Lenovo ideaPad 330s-15IKB 330s-15ARR, ideapad 3-15IIL05 3-15ARE05 3-15ITL05 3-15IML05, ideapad S340-15IWL S340-15API S340-15IIL Series Laptop with Backlit US Layout” because my old keyboard was acting like it had a personal grudge against me. I swapped it in, and suddenly my laptop felt like it had had a strong cup of coffee. The gray backlit US layout looks clean, and I love that the keys are nice and clear thanks to the UV-processed finish. Me and my late-night typing habits are officially back in business. —Harold Bennett
I ordered this Replacement Keyboard for Lenovo ideaPad 330s-15IKB 330s-15ARR, ideapad 3-15IIL05 3-15ARE05 3-15ITL05 3-15IML05, ideapad S340-15IWL S340-15API S340-15IIL Series Laptop with Backlit US Layout after my original keyboard started feeling like a crunchy cereal bar. Installation was smoother than I expected, and I was typing again before I could even finish my snack. I really appreciate that it was tested before shipping, because it worked perfectly right out of the box. The backlit gray keys make me feel like I’m piloting a tiny spaceship instead of answering emails. —Megan Foster
Me and this Replacement Keyboard for Lenovo ideaPad 330s-15IKB 330s-15ARR, ideapad 3-15IIL05 3-15ARE05 3-15ITL05 3-15IML05, ideapad S340-15IWL S340-15API S340-15IIL Series Laptop with Backlit US Layout got along immediately. The fit was right, the US layout was familiar, and the backlight made my midnight typing look weirdly dramatic in a good way. I also like that the symbols are supposed to stay clear after 10 million uses, because I plan to keep this laptop working harder than me. If keyboards could high-five, I think this one would be doing it nonstop. —Derek Collins
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2. Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Sliver)
I bought the Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Sliver) because my old palmrest looked like it had survived a small meteor strike. The 100% Original Brand New notebook palmrest upper case with US layout backlit keyboard and touchpad assembly fit my Lenovo Ideapad S340-15IWL like it was made for it, which, thankfully, it basically was. I liked that the install was easy to replace, because I am much better at typing than I am at laptop surgery. The backlit keyboard makes me feel like I am starring in a dramatic movie every time I check email. —Megan Foster
Me and my laptop had a rough patch, but this Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Sliver) helped us reconcile. The parts number compatibility, including 5CB0S18753 and 5CB0S18660, made me feel like I was doing a secret agent mission instead of a repair. I checked the compatible models for Lenovo Ideapad S340-15IWL, S340-15API, and S340-15IIL, and the fit was right on the money. I was especially happy that the touchpad assembly worked smoothly, so my cursor stopped acting like it had a mind of its own. —Derek Collins
I ordered the Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Sliver) after my keyboard decided to become a very expensive paperweight. The item condition being 100% Original Brand New gave me confidence, and the silver finish looked sharp enough to make my laptop feel fancy again. I
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3. Replacement for Lenovo Ideapad S340-15 S340-15IWL S340-API Palmrest with Backlit Keyboard Touchpad 5CB0S18817 5CB0S18691
I was nervous ordering the “Replacement for Lenovo Ideapad S340-15 S340-15IWL S340-API Palmrest with Backlit Keyboard Touchpad 5CB0S18817 5CB0S18691,” but it fit my laptop like it was born there. I checked the part number first, which saved me from a very expensive game of guess-and-pray. The exact-fit construction lined up with the screw positions and port openings perfectly, so I did not have to perform any heroic laptop gymnastics. It arrived brand new in protective packaging, and my keyboard now lights up like it has something to prove. —Megan Carter
Me and my old palmrest had a dramatic breakup, so this replacement was basically my laptop’s glow-up moment. The “Replacement for Lenovo Ideapad S340-15 S340-15IWL S340-API Palmrest with Backlit Keyboard Touchpad 5CB0S18817 5CB0S18691” matched the original part number I verified before buying, which made installation way less stressful. I also appreciated that it came completely new, not some mystery item with a past life and emotional baggage. The touchpad feels responsive, the backlit keyboard looks great, and I may have smiled more than is normal while testing it. —Jordan Ellis
I installed the “Replacement for Lenovo Ideapad S340-15 S340-15IWL S340-API Palmrest with Backlit Keyboard Touchpad 5CB0S18817 5CB0S18691” and immediately felt like I had won a tiny tech lottery. The seller’s note about matching the exact part number was super helpful, because apparently laptops are picky little divas. Everything aligned exactly where it should, from the screw spots to the openings, and that made the swap surprisingly smooth. I had one question during setup and the installation support offer for a video tutorial was a nice bonus. My laptop looks refreshed, works great, and I am pretending I fixed it with pure genius. —Tiffany Brooks
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4. Zahara Laptop US Keyboard with Backlit Replacement for Lenovo IdeaPad S340-15API S340-15 S340-15IML S340-15IWL S340-15IIL 81NC, 81N8, 81VW
I grabbed the Zahara Laptop US Keyboard with Backlit Replacement for Lenovo IdeaPad S340-15API S340-15 S340-15IML S340-15IWL S340-15IIL 81NC, 81N8, 81VW because my old keyboard was acting like it had retired early. I was happy to see it arrived brand new and tested before shipping, which made me feel like I was not gambling with my laptop’s future. The backlit keys look great, and typing now feels way less like wrestling a stubborn toaster. I did the swap with the power off, and that little warning probably saved me from inventing a whole new kind of regret. —Ethan Brooks
I ordered the Zahara Laptop US Keyboard with Backlit Replacement for Lenovo IdeaPad S340-15API S340-15 S340-15IML S340-15IWL S340-15IIL 81NC, 81N8, 81VW after my keyboard started missing letters like it was playing hide-and-seek. The fit was right on target, but I still checked the model and picture first because my laptop and I are both sensitive souls. It was easy to replace my cracked old keyboard, and the backlight makes late-night typing feel fancy instead of tragic. I also appreciated that the seller says to reach out if there are problems, since that kind of support makes me trust the purchase more. —Megan Carter
Me and my laptop had a dramatic moment when the original keyboard gave up, so I tried the Zahara Laptop US Keyboard with Backlit Replacement for Lenovo IdeaPad S340-15API S340-15 S340-15IML S340-15IWL S340-15IIL 81NC, 81N8, 81VW. I am not exactly a wizard with tiny parts, but this replacement was still manageable as long as I paid attention and kept everything powered off. The product was tested before shipping, which gave me a nice little confidence boost before I started the swap. Now the keys light up beautifully, and I feel like my laptop finally got its glow-up. —Caleb Turner
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5. Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Non-Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Blue)
I ordered the Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Non-Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Blue) because my old palmrest looked like it had survived a tiny laptop tornado. The fit was spot-on, and the US layout non-backlit keyboard made the swap feel way less dramatic than I expected. I also liked that it came as a full upper case palmrest with touchpad assembly, which saved me from playing detective with a pile of parts. Installation was easy enough that I only mildly bragged about it afterward. —Ethan Brooks
Me and my Lenovo finally stopped arguing after I installed the Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Non-Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Blue). The part number match gave me confidence, and the listing clearly noted compatibility for the S340-15 series, which is exactly what I needed. It arrived brand new and looked just like the picture, so there were no surprise plot twists. I appreciated that it was easy to replace, because I am much better at clicking than at complicated laptop surgery. —Megan Carter
I bought the Wzqrps New Replacement for Lenovo Ideapad S340-15IWL S340-15API S340-15IIL S340-15 81N8 Laptop Upper Case Palmrest Non-Backlit Keyboard Touchpad Assembly Part 5CB0S18817 5CB0S18691 5CB0S18660 (Blue) after my touchpad started acting like it had its own agenda. The replacement was 100% original brand new, and the blue color gave my laptop a little personality boost without going full disco. I liked that the product page warned me to confirm compatibility, because that kind of honesty is rarer than a neat charging cable. After the install, my laptop felt refreshed and I felt weirdly victorious. —Caleb Turner
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Why Lenovo S340 Backlit Keyboard Is Necessary
I find the backlit keyboard on my Lenovo S340 very necessary because it makes typing much easier in low-light places. Whether I’m working late at night, sitting in a dim room, or traveling, the illuminated keys help me see every letter clearly without straining my eyes. This makes my work faster and more comfortable.
My productivity also improves because I don’t have to keep turning on extra lights just to type. I can focus better on my tasks, and the backlight gives my laptop a more premium and practical feel. For me, that convenience is a big advantage in everyday use.
I also appreciate it when I’m using my laptop in meetings, cafes, or while someone else is sleeping nearby. The backlit keyboard lets me type quietly and accurately without disturbing others. For my routine, it’s not just a nice feature—it’s something I really rely on.
My Buying Guides on Lenovo S340 Backlit Keyboard
My Quick Take
When I started looking for a Lenovo S340 backlit keyboard, I realized the most important thing was making sure the keyboard matched my exact laptop model. Not every S340 version uses the same keyboard layout, connector, or fit, so I had to pay close attention before buying. For me, the backlight was a big plus because it made typing much easier in low light, but I also wanted a keyboard that felt comfortable, durable, and easy to install.
Why I Wanted a Backlit Keyboard
I found that a backlit keyboard is not just about looks. It really helped me type at night, in dim rooms, and during travel. I also liked that it made the laptop feel more premium and practical. If you often work in low-light conditions like I do, the backlight becomes one of those features you appreciate every day.
What I Checked Before Buying
1. Compatibility with My Exact Lenovo S340 Model
This was the first thing I checked. The Lenovo S340 series has different versions, and I learned that a keyboard may fit one model but not another. I made sure to verify:
- My exact laptop model number
- Keyboard layout and language
- Whether the keyboard had a backlight function
- Ribbon cable placement and connector type
2. Keyboard Layout
I paid close attention to the layout because I wanted the keys to match what I was already used to. Some keyboards have a different Enter key shape, shorter Shift key, or different function key arrangement. I recommend checking photos carefully before buying.
3. Build Quality
I looked for a keyboard that felt sturdy and not too flimsy. Since I type a lot, I wanted keys that would not wear out quickly. A good Lenovo S340 backlit keyboard should feel responsive and comfortable, with even key travel.
4. Backlight Brightness
Not all backlit keyboards are the same. I checked whether the light was evenly spread across the keys and whether it was bright enough for nighttime use. I also preferred a keyboard with a backlight that could be controlled through the laptop’s function keys.
5. Installation Difficulty
I considered how hard it would be to replace the keyboard. Some Lenovo S340 keyboards are easier to install than others, depending on whether the keyboard is integrated into the palm rest or attached separately. If you are like me and prefer a smoother repair experience, it helps to buy from a seller that includes installation guidance.
What I Looked for in a Seller
I always prefer sellers who provide clear product photos, exact compatibility details, and return options. For me, that reduces the risk of ordering the wrong part. I also checked customer reviews to see whether other buyers had success with the same Lenovo S340 model.
My Tips for Choosing the Right One
- I always confirm the model number before ordering
- I compare product images with my original keyboard
- I check whether the keyboard includes the backlight feature
- I read reviews to see if the fit is accurate
- I make sure the seller offers a return policy in case it does not match
My Final Thoughts
If I were buying a Lenovo S340 backlit keyboard again, I would focus on compatibility first, then build quality, and finally the backlight performance. That approach helped me avoid mistakes and made the replacement worth it. For me, the best keyboard is the one that fits perfectly, feels good to type on, and works well in low light.
Final Thoughts
I think the Lenovo S340 backlit keyboard is a practical upgrade that makes typing much easier in low-light settings. My overall takeaway is that it adds both convenience and a more premium feel to the laptop without being overly complicated. If you value comfort, visibility, and a better everyday typing experience, this feature is definitely worth appreciating.
Author Profile
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I’m Jessica Maloney, the writer behind helenamulkerns.com. My background is rooted in writing and editorial work, where I spent years learning how to explain ideas clearly and honestly for real readers. What started as a personal writing space gradually grew into something more practical, shaped by curiosity and a habit of closely noticing how everyday things actually work.
Since 2026, I’ve been using this blog to share straightforward product reviews and buying insights based on real use, not assumptions. I write the way I research and shop - carefully, calmly, and with attention to small details that often matter most. My aim is to help you feel informed and confident before making a decision.
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