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No trouble with drivers or anything to get this set up. You must use the receiver that comes with the set because old receivers do not work. However, you can use the receiver that comes with this set to connect an older mouse or keyboard as needed. The typing is so quiet. Not completely quiet - but much less noise than any other Logitech keyboard I have ever used. So I don't annoy my office neighbors with my typing. That is a huge plus for me. Everything connected well out of the box - once I figured out that you must use the receiver that comes with the set. I have purchased two sets - one for the office and one for home. I love them and highly recommend.
Was looking for something to replace my Logitech combo I already had for almost 4 years and decided to try this one. Everything so far has worked great and the feel of the keyboard and mouse was nothing awkward to adjust to, it just came naturally. If I end up replacing my other keyboard/mouse combo, I will definitely get one of these again.
I got through college on a logitech 520 keyboard and mouse combo, and wanted a second set with similar features and ergonomics. The mouse is quieter than the old one, and the battery life (so far) seems good. This is a nice replacement / successor to my old set, not sure it's an upgrade though.
My first one is defective, Amazon sent me another one with no problems. Amazon CS told me not to worry about sending the defective one back, too much hassle to do so. So far the replacement works great, the defective one must of been made on Monday or Friday. haha