Bad Caps lock key placement
348386
Enter key is kind of shaped and placed funky. The same goes for the Caps lock key. I am constantly hitting it. That is my main reason for the rating.
989214
So I just spent over an hour hand placing each of the key stickers. Then I placed the mouse pad sticker (too short on the left and right sides but not horrible). I then lined up the big sticker (the one for the rest of the keyboard surface) and low and behold it does not fit. If I like it up from the left it doesn't fit. If I lined it up from the right it doesn't fit. So on and so forth for the entire thing. Not only did I waist my money but I also waisted my time. I now have to waist even more time taking all the stickers off without damaging my keyboard.
4517347
Crossing over with one hand to the other side of the keyboard is difficult for us hunt and peck typists.
Escape key is too small.
1028956
Beautiful keyboard, works as expected. Except for the Caps Lock, Number Lock and the other one do not light up when they should. No a big issue, I just can't see when my caps lock is on and I just end up screaming at everyone. That's the only thing keeping it from 5 stars.
3972987
I use the left CTRL key a lot, like many others I imagine.  The problem is, this keyboard has a finnicky CTRL key that gets stuck.  If feels like the key is misaligned with the base and, if it is not pressed at center or near center, it snags on the internal mechanics and requires a 3x force to push it down (it will click and snap past whatever is snagging it).

This doesn't seem to be a one-off issue.  I purchased my first K740 probably 5 years ago and it's been an absolute beast.  When it finally failed, I purchased one (about 2 weeks ago), and the CTRL key was finnicky (as described above) and was loose and rattling too.  I exchanged it through Amazon for another and, though it is not as loose/rattly, it's still snagging on the internal mechanics a lot.  It's incredibly frustrating, and I'm considering whether to return it outright.  Based on my experience, I'm guessing this is a broader issue, though YMMV.
1786419
The layout of this keyboard is a nightmare for anyone who touch-types. BEFORE ordering, enlarge the image and look at the placement of critical keys like space, arrow and number-pad-zero.

The "skooshed" size means that the left-arrow is where you (and your touch-type fingers) expect the CTRL, then there are a few MORE keys between that and the space bar. The zero key on the num-pad is tiny and you're more likely to hit right-arrow than zero. This went back as soon as I got a replacement (the superb&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Logitech-Washable-Keyboard-K310-for-Windows-PCs-Black/dp/B008D1JRIO/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Logitech Washable Keyboard K310 for Windows PCs - Black</a>, where the ultra-high contrast make backlighting irrelevant). In short, I cannot imagine a situation where this keyboard is worth your time or money.
4073147
The size of this keyboard is great but not that mouse pad or the dreaded short 'shift' key. Though I was able to live and get used to the mouse pad I couldn't do it with the right-hand shorter 'shift' key. In order for the up arrow to have been included on here, the shift key was sacrificed. The problem is that when you're typing and need to press the shift key, instead you click the UP arrow key and now you're cursor is somewhere else. When you type you realize that you're typing on the wrong line. Just very uncomfortable to use that short key.
1269253
This keyboard doesn't have a "Caps Lock" light and it's driving me crazy. The "pipe/vertical bar" key > | < now looks like a colon > : < and I rarely use that key. Other than that the size is good but I wouldn't buy this one, again.
1406561
I must've gotten one of the bad ones. The 's' key sticks, so I have to be pretty careful when typing or proofreading. If I hadn't waited so long to open the box, I would've returned it.
3837523
I like the feel of the keyboard, and the wireless works fine.  I strongly dislike the layout of the hot keys, I wanted a full media bar, there are no forward and backwards track keys.  The placement of a power button in the row between the e-mail key and the calculator key is a crippling design flaw.  If there has to be a one hit, kill key it has to be specially marked and spaced away from the other hot keys.  If it weren't for the the SetPoint software that lets you reassign keys I would have bought a different keyboard.
3772770
Keys (WER23) from the keyboard are hard to press so I keep missing them when typing.
4676781
just got it this afternoon.  the build quality and material used is top notch.  however what i found interesting is the keys are not centered.  the keys are shifted to the left side so i am not used to the placement and keeps hitting the wrong keys.  perhaps i need some time to get used to it but so far i have been typing nothing but typo.  if i still couldn't get it straight in a couple of days i will most likely return it.
1999788
The keys are white with the letter capitalized and centered on the keys which I hope means they are visible enough to type on in low light. I would have chosen larger bolder lettering.
It has a number pad and probably as an energy saver they have NO LIGHT FOR THE NUM LOCK so I will never know whether it is activated or not. That was a moronic choice of its designers. And yes there probably is a driver that will allow and on screen notification of num lock status but I will never in a billion years install an add-on driver that comes with add-on junk software for my key board. There is a caps light indicator so it appears the designers never intended to or ever thought about the number pad.
The layout of the keys is exactly the way I have always wanted. It is perfect in that you have just the letters and the essential parts of the number pad and only home end PgUp and down duplicated above the number pad. The arrow keys are separate under the shift key as I would have hoped.
If I could though I would change the overall design by removing all wasted space in the design. There would be absolutely nothing past the left and right keys. This would decrease the length by about an inch giving that space back to your desk. This key layout is all about giving you everything you need in a keyboard in the most space efficient way, so why does it waste this inch.

SO. . . If I could I would have a this layout of keys in a skeletonized but sturdy framework ( by this I mean no wasted space, the structure is just there to cradle the keys) with indicator lights for Num, Caps, &&& Insert. The key label font would be bigger bolder and the square keys would have the corners slightly cut off for an octagon look.
2114835
Although the keyboard response is great, and I appreciate the touch pad, I was not aware that the keyboard layout is not a standard layout. They added up, down, left, right keys next to the right shift key which puts the right shift key out of normal reach. Basically, there is an up arrow where the right shift key should be. When I go to capitalize, my cursor is moved up because the wrong button is there. I type all day long at my job and to do so with this keyboard is next to impossible. I will be taking it back to where I purchased it.
3235258
The keyboard works fine, but I just can't get used to the tiny spacebar, the location of the question mark, and having to use Fn+l for an apostrophe, a punctuation mark that I use often.  I find this very frustrating as it slows the speed of my typing way down.  Like anything, I suppose muscle memory will take over, and it will be easier.
3611081
Ergonomically, this keyboard is a disaster and whoever is responsible for its design at Microsoft should be disposed of, post haste.

Firstly, there are no legs to prop up the keyboard so that it could be usable at the satisfying incline of ~20 degrees as standard on other keyboards. This huge oversight could have been offset by simply making it bulkier at the rear top. Giving it the moniker of 'comfort' in its name is a misnomer to say the least. The key cap shape and design is possibly the worst I have ever used.

Worse is the location of the activity LEDs for capslock, numlock and scroll lock. Instead of its standard location at the top right, Microsoft's product designer, in their infinite wisdom, decided to place it on the bottom right. Exactly where a user's eye-line is never focused. Absolutely asinine stupidity. .
3301797
The "i" gets stuck and it happens enough that I'm actually going to toss this keyboard and buy a new keyboard. Also the "N" has "V" written on it. Hella ghetto. i