Other great fix it yourself tools live at these two forums: http://reboot.pro/ https://BleepingComputer.com Stop paying someone to clean your computer: adblock. '''https://NextDNS.io'''
for slightly different purposes this article https://www.chanhvuong.com/1420/clone-mac-os-x-10-6-snow-leopard-install-dvd-to-usb-flash-drive/ suggests instead “check that the “Partition Map Scheme” is set to “GUID Partition Table” (which means it is Mac OS X bootable).”
Battery change link is for a different speaker than described in this article
first color bose soundlink II from amazon: four charges and dead.
second color bose sounklink II from amazon: a dozen charges and dead
I review phone chargers and related cables as a hobby on amazon. I know these are good supplies.
third bluetooth speaker will not be Bose.
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For extra fun: both bose and jbl license the same connect-2 protocol. Bose and JBL will not talk to each other.