HP dv5-2129wm bios corruption

I have a HP dv5 laptop, today when try to turning on all I get was the cap key blinking (twice and repeat). I check on hp codes and this is related to a bios corruption problem. tried every single method to recover the bios that I could possible find and no solution yet.

All the methods I have tried need of usb drive and starting the laptop with the windows key + B combination, the wierd part is everytime I do this there is no led on the usb drive (reading/writing indicator).

At this point I'm out of ideas and options so any help will be appreciated
 
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