How can I disconnect my iCloud on my device when it is not turning on?

You can absolutely still disconnect your item from your iCloud even if it is not powered on. Please use a computer, and follow the below instructions…

Samsung Does Not Pair Issue

Macbook Bluetooth Issue

Beats Bluetooth Issue

iPad Does Not Pair Issue

Microsoft Surface Bluetooth Issue

Microsoft Surface Does Not Pair Issue

iPhone Bluetooth Issue

iPad Not Being Compatible Issue