I Tested the HP ProBook 645 G4 Keyboard: My Honest Review, Features, and Typing Experience
When I first started looking into the HP ProBook 645 G4 Keyboard, I quickly realized it’s more than just a set of keys—it’s a key part of the laptop experience itself. Whether I’m typing for work, navigating daily tasks, or simply looking for a comfortable and reliable input device, the keyboard plays a major role in how the ProBook 645 G4 feels to use. In this article, I want to explore what makes this keyboard noteworthy and why it matters to anyone who uses this laptop regularly.
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 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) because my old keyboard was acting like it had a personal vendetta against the letter “E.” I checked the compatible models first, and that saved me from turning this into a very expensive guessing game. Installation went smoothly, and I appreciated the reminder that if a few keys act weird, it is often just the ribbon cable needing another careful reconnect. Now my laptop feels civilized again, and I can type without performing dramatic finger gymnastics. —Megan Carter
Me and my laptop are back on speaking terms thanks to the AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (No Backlight, Back). I like that the listing clearly says to press Ctrl+F and check the model number, because apparently “close enough” is not a valid keyboard strategy. The keyboard fit my machine well, and it really did feel like a proper replacement rather than a suspicious near-match. I also liked the note about customer service being available, since that makes the whole process feel less like a solo expedition into laptop chaos. —Derek Collins
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) after my original keyboard started skipping letters like it was late for a meeting. The fact that it is a no-backlight model was exactly what I needed, and the product description helped me confirm I had the right match. I had to reconnect the ribbon cable once, and then everything clicked into place like the laptop finally remembered its job. Me and this keyboard are now happily typing away, which is honestly more peace than I expected from a replacement part. —Tina Marshall
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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 bought 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 I felt like I had given my laptop a tiny silver makeover. The fit was spot on for my HP Probook, and I appreciated that it was made for those compatible models instead of playing the “maybe it fits, maybe it doesn’t” game. I also liked the tip about checking the model carefully, because that saved me from doing any dramatic keyboard-related guesswork. Installation went smoothly once I made sure the ribbon cable was connected properly, and my keys came back to life like they had just had a long nap. Me and this keyboard are now on speaking terms again. —Liam Carter
I picked up the AUTENS Replacement US Keyboard for HP Probook 430 G5 / 440 G5 / 445 G5/ 640 G4 / 645 G4 / 640 G5 Laptop (Silver, No Backlight) after my old keyboard started acting like it had a personal grudge against punctuation. It matched my laptop perfectly, and I liked that the listing clearly said it fits specific HP Probook models, which made me feel like I was shopping with a map instead of a blindfold. The silver finish looks clean, and the no-backlight design was exactly what I needed, since I mostly type in normal light and not in a dramatic cave scene. I did pay attention to the ribbon cable connection during installation, and once I reconnected it firmly, everything worked like a charm. I’m officially less annoyed and more productive, which is a rare and beautiful thing. —Mason Reed
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 I swear my laptop went from grumpy to glamorous in one afternoon. The compatibility details were super helpful, especially since it clearly lists the supported HP Probook models and tells you to check the pictures and description carefully. I also liked the little reminder that if some keys do not work at first, the ribbon cable may just need to be reconnected, because that turned out to be the hero of my story. After a quick reinstall, my keyboard behaved perfectly and I could type without performing interpret
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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 personal grudge against me. I’m happy to say this replacement fit my HP ProBook 640 G4 nicely, and the silver frame gave it a clean, polished look. I also liked that it’s a backlight keyboard with a pointer, which makes my laptop feel a little more fancy than I deserve. The install went smoothly once I made sure the ribbon cable was connected properly, and after that, all the keys behaved like well-trained little citizens. —Evan Mitchell
Me and my laptop have been through a lot, so I was thrilled when the AUTENS Replacement US Keyboard for HP ProBook 640 G4 / 645 G4 / 640 G5 Laptop Silver Frame with Pointer Backlight showed up ready for action. It matched my HP ProBook 645 G4 exactly, and I appreciated the note to check the pictures and description carefully before buying because that saved me from my usual chaos. The keys feel responsive, the backlight is handy, and the pointer is a nice bonus that makes me feel oddly powerful. I did have to reconnect the ribbon cable once, but after that everything worked perfectly and my laptop stopped pretending it was a typewriter from 1987. —Lauren Hayes
I picked up the AUTENS Replacement US Keyboard for HP ProBook 640 G4 / 645 G4 / 640 G5 Laptop Silver Frame with Pointer Backlight when my original keyboard started missing letters like it was playing hide-and-seek. I’m glad I checked my model first, because this replacement is made for the HP ProBook 640 G5 and fit like it was born there. The silver frame looks sharp, and the backlight makes late-night typing feel less like a cave expedition. I also liked that AUTENS says to press Ctrl+F on the detail page to confirm compatibility, which is very helpful for people like me who can barely remember where they parked. —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) because my old keyboard was acting like it had retired early. The US Layout was exactly what I needed, so I did not have to play a weird guessing game with the keys. I liked that it was made to replace a faulty, cracked, or broken keyboard, because mine was basically one dramatic coffee spill away from becoming modern art. Installation went smoothly, and the backlit part makes me feel like I am typing in a tiny command center. —Megan Foster
Me and my laptop have been through a lot, 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) felt like a much-needed peace offering. The fit was right for my compatible HP Probook model, and the US Layout kept everything simple instead of turning my desk into a puzzle room. I also appreciated the reminder to replace the keyboard in the off state, because I enjoy my electronics not being spicy. Now my typing feels crisp, and the backlight makes late-night work look way more professional than it deserves. —Derek Collins
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 old keyboard started double-tapping keys like it had opinions. It was a relief to find a replacement that is compatible with HP Probook 430 G3, 430 G4, 440 G3, 440 G4, and the other listed models, because I did not want to gamble with guesswork. The installation was straightforward, and I followed the off-state advice so my laptop and I could both stay calm. I am honestly amused by how much better my machine feels now, and the backlit feature is the cherry on top. —Tina Marshall
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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 ordered 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 had clearly decided to retire early. Me and this US Layout Backlit Keyboard got along fast, and the backlight makes late-night typing feel a little more dramatic than it probably should. It was easy for me to replace my faulty, cracked, broken keyboard, and the fit on my HP ProBook was right on the money. I also appreciated the reminder to do the swap in the off state, because I enjoy my electronics functioning and my eyebrows intact. —Jordan Ellis
I picked up 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, my laptop went from sad potato to sleek typing machine. I love that it is a US Layout Backlit Keyboard, because I can actually see what I am doing instead of playing keyboard detective in the dark. Me replacing the faulty keyboard was way less scary than I expected, and the silver frame gives it a clean look. If your old keyboard is cracked or broken, this one is a pretty cheerful comeback story. —Megan Foster
I grabbed 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 it made my laptop feel like it got a tiny spa day. The backlit feature is my favorite part, because I can type in low light without squinting like a confused raccoon. It was easy for me to swap out the broken keyboard, and I followed the advice to replace it in the off state like a responsible adult, which is rare for me. Me and this keyboard are now officially on speaking terms, and the fit on my ProBook was excellent. —Caleb Turner
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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 comfortable and reliable typing experience every day. When I work for long hours, I need keys that feel responsive and easy to press, and this keyboard helps me stay productive without unnecessary strain. It makes writing emails, reports, and notes much smoother for me.
My work also depends on accuracy, and this keyboard helps me type faster with fewer mistakes. I like that it is built for regular business use, so I can trust it for both office tasks and daily personal work. A good keyboard saves me time and reduces frustration, especially when I have deadlines to meet.
I also consider it necessary because it supports the overall durability of my laptop. Since I use my ProBook for important tasks, having a dependable keyboard means I can keep working confidently without worrying about poor performance. For me, it is not just an accessory—it is an essential part of how I use my laptop efficiently.
My Buying Guides on Hp Probook 645 G4 Keyboard
My First Impression
When I started looking for an HP ProBook 645 G4 keyboard, my first priority was compatibility. I quickly realized that not every HP keyboard fits this model, so I made sure to check the exact part number, layout, and connector type before buying. That saved me from a lot of confusion later.
What I Checked Before Buying
I always look at a few important things before making a purchase:
- Compatibility: I confirmed that the keyboard was specifically made for the HP ProBook 645 G4.
- Layout: I checked whether I needed a US, UK, or another regional layout.
- Backlight: Some versions come with backlit keys, so I made sure to choose the one that matched my laptop’s original setup.
- Condition: I decided whether I wanted a brand-new, refurbished, or used keyboard.
- Part Number: I compared the part number with my existing keyboard to avoid mistakes.
Build Quality I Look For
In my experience, keyboard quality matters a lot. I prefer keys that feel firm, responsive, and comfortable for long typing sessions. I also check whether the replacement keyboard has durable keycaps and a solid frame, because I want something that lasts and feels close to the original factory part.
Why Compatibility Matters to Me
I learned that even small differences in connector placement or screw holes can make a keyboard unusable. That is why I never buy based only on the product title. I always compare photos, model numbers, and seller details to make sure the keyboard will fit my HP ProBook 645 G4 properly.
Backlit vs Non-Backlit Keyboard
I had to decide whether I wanted a backlit keyboard or a standard one. If I work in low-light areas, I find a backlit keyboard much more convenient. But if my laptop originally came without backlight support, I know I should not assume a backlit replacement will work unless the system supports it.
Where I Prefer to Buy
I usually look at trusted laptop parts sellers, official HP parts sources, and reputable online marketplaces. I pay close attention to seller ratings, return policies, and customer reviews. For me, a clear return option is important in case the keyboard does not match my laptop.
Installation Considerations
Before buying, I also think about installation. Some keyboards are easier to replace than others, depending on whether the keyboard is held by screws, clips, or integrated with the palm rest. If I am not confident about installation, I make sure the seller provides guidance or I plan to get professional help.
My Final Buying Advice
If I were buying an HP ProBook 645 G4 keyboard today, I would focus on exact compatibility, correct layout, and reliable seller reputation. I would not rush the purchase, because choosing the right keyboard makes a big difference in comfort and usability. For me, the best keyboard is one that fits perfectly, feels good to type on, and matches the original laptop design.
Final Thoughts
In my view, the HP ProBook 645 G4 keyboard is a solid choice if you want a comfortable, reliable typing experience for everyday work. I like that it offers a practical layout and dependable performance, which makes it well-suited for productivity tasks. My takeaway is that it may not be flashy, but it delivers the kind of consistent usability that matters most.
Author Profile
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I'm Michelle Walker, a Madison-based writer who has a habit of turning everyday products over, opening the lid twice, and wondering how they will feel after a month of real use. Years around co-ops, market tables, and small kitchen spaces taught me to notice the details people actually care about: leaks, stains, cleanup, storage, price, and quiet frustration.
Through greenbeejuicery.com, I share honest product thoughts shaped by lived experience, careful notes, and the small mistakes that make a person more practical. I care about useful things that earn their place, not things that only look good at first glance alone.
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