When (and How) to Delete Cookies on a Disklavier DKC-800 / E3

Are you having problems with stale cookies? I recently assisted a customer via email who was having trouble using his Disklavier Piano Radio. I discovered the solution on Kevin Busse’s website; he in turn learned the solution from Yamaha’s Noah Jolly. You can read more about Noah Jolly on his website, Ground Grown Circuits. The … Read more

Yamaha E3/DKC-800/DKC-850 Firmware Update

The Yamaha E3 / DKC-800 / DKC-850 firmware update is wonderfully simple, unlike its older Mark IV sibling. The entire update can be done using just a USB stick with at least 20 MB of memory. The Problem: No Internet Connection, Despite Being Plugged In In late 2021, Yamaha mandated that its pianos use better … Read more

Yamaha Mark IV Firmware Update

In order to connect your Yamaha Mark IV to the internet, you’ll need to update the firmware; otherwise, you’ll receive an error telling you it can’t connect to the internet. This is a pretty confusing error, since you might actually be properly connected. However, the Disklavier can’t tell the difference between no internet and just … Read more

Casio PX-5S No Media Error

A customer recently came to me with a Casio PX-5S that displayed “Error: No Media” after booting, and which wouldn’t produce any sound. The Problem The customer had already researched the issue themselves, and they had determined they needed a firmware update. He’s not alone, and Casio helpfully provides the following message to those with … Read more