Odin3 : Phone wont recognise in download mode

A

AC Question

Odin3 : Phone wont recognise in download mode

My phone isn't recognised in download mode on Odin3. When it is on, Odin3 and the PC recognise it, in download mode it wont be recognised, some say remove the battery while plugged in but I cannot do that as I am using an S6 Edge.