Default Please Help !!

This is what exactly happens to me:

I'm able to get into download mode but the computer doesn't recognize it at all.. I've tried all ports and 3 different USB cords. I have no recovery so download mode is my only option. When I attempt to boot into recovery, I get a "[Phone]...!...[Computer]" logo.
When connecting my lg g2 to pc nothing happends my pc doesn't recognize my phone neither