Kawaii K5000S Not Booting up

Hi friends, I have been the only owner of this keyboard. Used to love playing it but had to store it for over a decade due to personal reasons. I just tried to turnip back on and the LCD only shows a horizontal line. The Floppy doesn’t seem to even be starting to read. Any suggestions are welcome. My main problem is that I live in PR (00920) and I don’t think there are any service centers for keyboards here let alone a Kawaii… Thanks in advance, stay safe, stay healthy.

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