Samsung Galaxy S6 edge+ - ODIN/SmartSwitch does not recognize/detect any Connection

Hello Community,
I´ve a huge problem with my S6 edge+ SM-G928F. I tried to flash different roms, but I´ve made a misstake so I´m not able to connect it with ODIN.
It does not show up any port in Odin and also not in device manager in Windows 10.
I can get into Download Mode, but ODIN and Smart Witch does not recognize it.
If I try to get into Recovery: "Custom binary blocked by FRP Lock"
When connections to Computer it first shows a grey battery logo with a white lightning in it.
I´ve also tried different USB Ports and Cables (Not the original! Because I´ve bought it on eBay with a third-party charger. If this is the problem I will try to buy one!)

download modus shows:
FRP Lock: ON
Secure Download: Enabled
KNOX WARRANTY VOID: 1 (0x020c)
B:2 K:0 S:0

Thanks!!!

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