Error when trying to install default firmware

(cullen) #1

Arduino: 1.8.7 (Windows 10), Board: “Keyboardio Model 01”

WARNING: Category ‘Debug’ in library Kaleidoscope-Hardware-Virtual is not valid. Setting to ‘Uncategorized’
Sketch uses 24756 bytes (86%) of program storage space. Maximum is 28672 bytes.
Global variables use 1408 bytes (55%) of dynamic memory, leaving 1152 bytes for local variables. Maximum is 2560 bytes.
An error occurred while uploading the sketch

This report would have more information with
“Show verbose output during compilation”
option enabled in File -> Preferences.

(Gergely Nagy) #2

This usually happens if you’re not holding the Prog button while flashing. Try pressing the prog key before starting the upload, and hold it until you see a red “dot” running through the keys on the left half.