My Yamaha Keyboard Keys Not Working

I use this dust cover on my Yamaha s90 (90 keys) keyboard, and it fits great. It is snug, but not choking, and it could be expanded even more if needed. I haven't had it long, but it seems durable as long as you don't get it caught on anything really sharp.

Wonderful looking keyboard with keys that make you feel like you're playing a real piano. We bought the stand and the yamaha stool! We made a perfect choice! Sound is immaculate!

This dustcover is great. It will fit oversized 88 keys keyboard like KORG M3, YAMAHA S90, etc, perfectly (I'm not sure if it will fit snugly slim keyboards such as the P series). Other websites sell this item for double the cost. B&H offers great deal with free shipping. Can't beat that!

While the Yamaha keys do feel more like grand piano keys, this keyboard SOUNDS better than the Yamaha 143. recommended.

Keyboard keys are solid and quite. Like working in low lite,keys are perfect for this.

Obviously an essential component to the yamaha keyboard. Bundled, it made perfect sense as it was the best bang for the buck. My 13 y/o can collapse this and put it away so it is not constantly out in her room. Definitely a necessity

This keyboard is exactly what I was looking for for my home office. The illuminated keys are great for working in low light. The keyboard feels sturdy and well made and it looks good.

Got this keyboard to work with a Dell XPS laptop for both working while docked and for travel. It's well made and the keys have excellent response and travel for touch typing. The illumination of the keys is easy to control right from the keyboard. No drivers to install. The only odd item is choice of font for the keys. It's not a deal breaker but odd. Also the print screen key is labeled PS, scroll lock SL, etc. Why they changed labeling conventions from other keyboards is mystifying. But, that being said, great keyboard.

This is the second keyboard like this I had. When it stopped working I was really upset till I seen it on here It makes it so easy to find the keys' I just love it and would recommend it to everyone

Keyboard is working well and as expected. Keyboard has a softer touch than my previous one and has a few more keys that require me to adjust my finger placement a bit . Other than that I am satisfied with the purchase and with its quick delivery .