Lou asked ... Mac Allister 35cm electric lawn mower?    |    Ronald Charlwood asked ... Beko fridge/freezer not cold enough?    |    John Broadbent asked ... Advise?    |    suzy asked ... Brother kh-940 not in sync with DAK9 in interactive knitting?    |    Susan asked ... How can I stop my steam iron spraying water with the steam?    |    Click here to ask your question

JVC mini HIFi System says UPGRADE DISK when I put it on power?

JVC Mini HiFi indicates UPGRADE DISK on the display when I put it on power, what can I do?
josh, January 2016
do a Gogle search for the model of your hifi plus the words "Upgrade disk"

XXX, January 2016
link Click here to see other fixes for JVC.