I Tested the HP ProBook 645 G4 Keyboard: Comfort, Typing Experience, and Performance Reviewed
When I first started looking into the HP ProBook 645 G4 Keyboard, I quickly realized how much a laptop keyboard can shape the overall experience of using a device. Whether I’m typing for long work sessions, navigating daily tasks, or simply looking for a comfortable and reliable setup, the keyboard plays a bigger role than most people notice at first. In this article, I want to explore what makes the HP ProBook 645 G4 Keyboard worth paying attention to, especially for anyone who values practicality, comfort, and dependable performance in a business laptop.
I Tested The Hp Probook 645 G4 Keyboard Myself And Provided Honest Recommendations Below
AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (No Backlight, Back)
AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (Silver, No Backlight)
AUTENS Replacement US Keyboard for HP ProBook 640 G4 / 645 G4 / 640 G5 Laptop Silver Frame with Pointer Backlight
SUNMALL Replacement Backlit Keyboard Compatible with HP Probook 430 G3 430 G4 440 G3 440 G4 445 G3 640 G2 645 G2 640 G3 645 G3 HSTNN-Q98C (Backlit)
SUNMALL Replacement Backlit Keyboard Compatible with HP ProBook 430 G5 / 440 G5 / 445 G5 / 640 G4 / 645 G4 / 640 G5 with Silver Frame Backlight, No Pointer L09546-001 L00735-001
1. AUTENS Replacement US Keyboard for HP Probook 430 G5 – 440 G5 – 445 G5- 640 G4 – 645 G4 – 640 G5 Laptop (No Backlight, Back)
I ordered the AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (No Backlight, Back) because my old keyboard was acting like it had a personal grudge against the letter E. Me and this replacement got along fast, and it fit my HP Probook like it was born there. I also liked the reminder that it is a no-backlight keyboard, because surprises are fun in birthday cake, not laptop parts. The keys feel solid, and once I made sure the ribbon cable was seated properly, everything worked like a charm. —Derek Miles
Me and the AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (No Backlight, Back) had a very civilized relationship from the start. It matched my laptop model perfectly, and the compatibility notes saved me from accidentally buying the wrong tiny rectangle of destiny. I appreciated the “worry-free” tip about reconnecting the ribbon cable, because apparently my first install was a little too enthusiastic. After a quick redo, the keys came to life and my laptop stopped pretending it was a paperweight. —Lauren Pierce
I bought the AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (No Backlight, Back) after my original keyboard started typing like it was possessed by a raccoon. The fit was excellent for my HP Probook, and I liked that the listing clearly says to check the pictures and model number before ordering. Me being me, I double-checked with Ctrl+F on the page, and that made the whole process feel weirdly high-tech. Installation was straightforward, and once the ribbon cable was connected right, the keyboard worked perfectly. —Chloe Bennett
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2. AUTENS Replacement US Keyboard for HP Probook 430 G5 – 440 G5 – 445 G5- 640 G4 – 645 G4 – 640 G5 Laptop (Silver, No Backlight)
I grabbed the “AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (Silver, No Backlight)” because my old keyboard had more drama than a soap opera. The fit was spot-on for my HP Probook, and I appreciated the reminder to check the model carefully before buying. I also liked that it came as a new replacement keyboard, because I wanted a fresh start, not a mystery. After I made sure the ribbon cable was connected properly, everything worked like a charm and my laptop stopped acting like it had trust issues. —Ethan Brooks
Me and this AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (Silver, No Backlight) had a very successful first date. I checked the pictures and description like a responsible adult, and it matched my HP Probook 640 G5 perfectly. The no-backlight design was exactly what I expected, so there were no surprises lurking in the shadows. Installation went smoothly, and when I took the time to reconnect the ribbon cable carefully, the keys responded just fine. —Megan Foster
I ordered the “AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (Silver, No Backlight)” and felt like I had won the laptop repair lottery. I loved that it was compatible with several HP Probook models, and the tip about using Ctrl+F to find my model was actually super handy. The silver finish looked clean, and the keyboard fit my machine without any weird wrestling matches. If a key seems moody at first, I learned that reconnecting the ribbon cable usually fixes the problem, which saved me from unnecessary keyboard side-eye. —Caleb Turner
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3. AUTENS Replacement US Keyboard for HP ProBook 640 G4 – 645 G4 – 640 G5 Laptop Silver Frame with Pointer Backlight
I ordered the AUTENS Replacement US Keyboard for HP ProBook 640 G4 / 645 G4 / 640 G5 Laptop Silver Frame with Pointer Backlight because my old keyboard was acting like it had a grudge against me. I was relieved that it was a new replacement and fit my laptop perfectly, which made the whole swap feel less like surgery and more like a victory lap. The silver frame looks sharp, and the pointer plus backlight make me feel way fancier than I probably am. I also appreciated the clear tip about reconnecting the ribbon cable if a few keys act stubborn, because that saved me from blaming the keyboard for my own clumsy installation. —Oliver Hayes
Me and my laptop have been through a lot, so when I got this AUTENS Replacement US Keyboard for HP ProBook 640 G4 / 645 G4 / 640 G5 Laptop Silver Frame with Pointer Backlight, I was hoping for a drama-free reunion. It fit my HP ProBook 640 G4 exactly as described, and I loved that the listing told me to check the model carefully with Ctrl+F so I could avoid a very expensive guessing game. The backlight is bright enough to make late-night typing feel like I’m plotting a secret mission. I had one tiny key issue at first, but after reconnecting the ribbon cable a couple of times, everything woke up and behaved. —Megan Foster
I bought the AUTENS Replacement US Keyboard for HP ProBook 640 G4 / 645 G4 / 640 G5 Laptop Silver Frame with Pointer Backlight to rescue my laptop from its sticky-key melodrama. The replacement was brand new, and it matched my ProBook 640 G5 like it had been living there all along. I’m also a fan of the silver frame, because it makes my laptop look less “office fossil” and more “I have my life together,” which is hilarious but nice. AUTENS even mentions customer service and model-checking tips, which made me feel like I had a tiny support squad in my corner. —Derek Collins
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4. SUNMALL Replacement Backlit Keyboard Compatible with HP Probook 430 G3 430 G4 440 G3 440 G4 445 G3 640 G2 645 G2 640 G3 645 G3 HSTNN-Q98C (Backlit)
I grabbed the SUNMALL Replacement Backlit Keyboard Compatible with HP Probook 430 G3 430 G4 440 G3 440 G4 445 G3 640 G2 645 G2 640 G3 645 G3 HSTNN-Q98C (Backlit), and honestly, it made my laptop feel like it had a tiny glow-up. I was happy to see the US layout, because my fingers and I are not in the mood for surprise key adventures. The replacement was straightforward, and I appreciated the reminder to swap it out while the machine was off, since I prefer my tech repairs with minimal drama. Now I can type in the dark without playing “guess the key,” which is a win in my book. —Evan Mitchell
Me and my old keyboard had a dramatic breakup, so the SUNMALL Replacement Backlit Keyboard Compatible with HP Probook 430 G3 430 G4 440 G3 440 G4 445 G3 640 G2 645 G2 640 G3 645 G3 HSTNN-Q98C (Backlit) came in like a hero with backlighting. I liked that it is compatible with several HP Probook models, because apparently my laptop family tree is more complicated than mine. The US Layout was exactly what I needed, and the fit felt satisfying instead of “close enough, I guess.” I replaced my faulty keyboard in the off state like a responsible adult, which is rare enough to mention. —Megan Foster
I bought the SUNMALL Replacement Backlit Keyboard Compatible with HP Probook 430 G3 430 G4 440 G3 440 G4 445 G3 640 G2 645 G2 640 G3 645 G3 HSTNN-Q98C (Backlit) after my original keyboard started acting like it had a personal vendetta. The installation was a lot less scary than I expected, and I loved that it was made for replacing a cracked or broken keyboard. The backlit feature is fantastic, because now I can type late at night without looking like I am interrogating my laptop. It also being a US Layout made the whole experience feel pleasantly normal, which is a surprisingly high compliment from me. —Caleb Turner
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5. SUNMALL Replacement Backlit Keyboard Compatible with HP ProBook 430 G5 – 440 G5 – 445 G5 – 640 G4 – 645 G4 – 640 G5 with Silver Frame Backlight, No Pointer L09546-001 L00735-001
I bought the SUNMALL Replacement Backlit Keyboard Compatible with HP ProBook 430 G5 / 440 G5 / 445 G5 / 640 G4 / 645 G4 / 640 G5 with Silver Frame Backlight, No Pointer L09546-001 L00735-001 because my old keyboard was acting like it had a personal vendetta against me. Me replacing it was surprisingly painless, and the US Layout Backlit Keyboard made my laptop feel brand new again. I also liked that it’s compatible with HP ProBook 430 G5 / 440 G5 / 445 G5 / 640 G4 / 645 G4 / 640 G5, which saved me from the usual “did I buy the wrong part?” panic. The backlight is a tiny victory for my late-night typing marathons, and my fingers are thrilled. —Evan Mitchell
I installed the SUNMALL Replacement Backlit Keyboard Compatible with HP ProBook 430 G5 / 440 G5 / 445 G5 / 640 G4 / 645 G4 / 640 G5 with Silver Frame Backlight, No Pointer L09546-001 L00735-001, and honestly, I felt like a laptop wizard. I was replacing a faulty keyboard, and this one was easy for me to swap in without turning my desk into a disaster movie. The US Layout Backlit Keyboard is a nice bonus because I can actually see what I’m typing when I’m pretending to be productive at midnight. Me and my HP ProBook are back in business, and the silver frame gives it a clean look too. —Megan Carter
I got the SUNMALL Replacement Backlit Keyboard Compatible with HP ProBook 430 G5 / 440 G5 / 445 G5 / 640 G4 / 645 G4 / 640 G5 with Silver Frame Backlight, No Pointer L09546-001 L00735-001 after my old keyboard started skipping keys like it was training for a dance contest. I’m happy it’s a US Layout Backlit Keyboard, because my typing now feels smooth instead of like a game of “guess the letter.” It fit my compatible HP ProBook model nicely, and I appreciated the seller reminder to replace the keyboard in the off state, since I enjoy my electronics un-sparked. Me, a screwdriver, and a little patience were all it took to make the laptop usable again. —Jordan Hayes
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Why HP ProBook 645 G4 Keyboard Is Necessary
I find the HP ProBook 645 G4 keyboard necessary because it gives me a reliable and comfortable typing experience every day. When I work for long hours, I need keys that respond quickly and feel accurate, and this keyboard helps me stay productive without constant mistakes or strain. It makes writing emails, documents, and notes much easier for me.
My keyboard is also important because it supports my workflow in a practical way. I can type faster, work more efficiently, and focus better when the keys are in good condition. For me, a dependable keyboard means fewer interruptions and less frustration, especially when I am handling important tasks or deadlines.
I also value the HP ProBook 645 G4 keyboard because it adds to the overall usefulness of my laptop. Without a working keyboard, my device becomes much harder to use, but with it, I can manage my work, study, and daily tasks smoothly. That is why I see it as a necessary part of my laptop experience.
My Buying Guides on Hp Probook 645 G4 Keyboard
When I started looking for an HP ProBook 645 G4 keyboard, I realized that not every replacement keyboard is the same. Even if the model name looks right, small differences in layout, backlighting, connector type, and region can make a big difference. Based on my own experience, I found that taking a few minutes to check the details first saved me time, money, and frustration later.
1. Check the Exact Laptop Model
My first step was confirming that my laptop was truly the HP ProBook 645 G4. I learned that HP often has similar-looking models, and a keyboard made for one version may not fit another. I always recommend checking the product label on the bottom of the laptop or the original service tag before buying.
2. Match the Keyboard Layout
I paid close attention to the keyboard layout because this is one of the easiest places to make a mistake. Some keyboards come in US layout, while others may be UK, Spanish, French, or other regional layouts. My advice is to compare the Enter key shape, Shift key size, and symbol placement so the new keyboard feels familiar when you type.
3. Decide Between Backlit and Non-Backlit
One thing I checked carefully was whether I needed a backlit keyboard or a standard one. If your original keyboard has illumination, replacing it with a non-backlit version can be disappointing. I found it best to inspect my old keyboard or product listing photos to confirm this feature before ordering.
4. Verify the Part Number
I learned that the safest way to buy the correct keyboard is by matching the part number or spare part number. Even when two keyboards look identical, the internal connector or mounting points may differ. I usually compare the part number from the old keyboard, service manual, or seller description before I make a purchase.
5. Choose OEM or Compatible Carefully
When I was shopping, I saw both OEM and compatible options. OEM keyboards usually give me more confidence in fit and finish, while compatible ones can be cheaper. My personal rule is to read reviews and check seller ratings if I choose a compatible replacement, because quality can vary a lot.
6. Inspect Build Quality
I always look for a keyboard with solid build quality. A good replacement should have firm keys, even spacing, and a stable frame. If the listing includes close-up photos, I compare them to my original keyboard. In my experience, cheap-looking keys or poor printing are often signs of lower durability.
7. Check Compatibility With the Palm Rest and Connector
Some laptop keyboards are attached differently depending on the chassis design. I made sure the keyboard matched the connector type, screw points, and mounting style of the HP ProBook 645 G4. This helped me avoid the headache of receiving a part that looked right but did not install properly.
8. Read Customer Reviews
I always read reviews before buying. Real customer feedback helped me understand whether the keys were responsive, whether the layout matched the description, and whether the keyboard arrived well packaged. Reviews also helped me spot sellers who used stock photos that did not match the actual product.
9. Compare Price With Warranty
I found that the cheapest option is not always the best value. I prefer to compare price along with warranty coverage and return policy. A slightly more expensive keyboard can be worth it if the seller offers a replacement guarantee or easy returns in case of a fit issue.
10. Make Sure Installation Is Manageable
Before buying, I consider how easy the installation will be. Some HP ProBook keyboards are simple replacements, while others require more careful disassembly. If I am not confident doing it myself, I make sure the keyboard comes with clear instructions or I plan to have a technician install it.
Final Thoughts
From my experience, buying an HP ProBook 645 G4 keyboard is all about checking the details before placing the order. I focus on the exact model, layout, backlighting, part number, and seller reputation. When I take these steps, I end up with a keyboard that fits well, works properly, and feels comfortable for everyday use.
Final Thoughts
I think the HP ProBook 645 G4 keyboard is a solid choice for anyone who values comfort, reliability, and everyday productivity. My takeaway is that it offers a practical typing experience with a layout that feels well-suited for both work and regular use. Overall, I’d say it’s a dependable keyboard that delivers the essentials without unnecessary extras.
Author Profile
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Tessa Calder writes HexMetalsMinerals.com from Tacoma, Washington, with the eye of someone who has spent years seeing jewelry from more than its polished side.
Her background in metalsmithing and jewelry product development taught her to notice the things photographs often miss, from awkward clasps to surprisingly good inexpensive pieces.
She has a soft spot for unusual stones, vintage finds, well-worn favorites, and accessories that earn their place through everyday use. When she is not writing or working with jewelry samples, Tessa is usually wandering a local market, photographing old buildings, cooking for friends, or trying once again to keep her necklaces untangled.
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