After selecting boot by usb laptop turn black

Mar 28, 2018
2
0
10
hello

my laptop did not have any boot option by usb and dont have a bios update option either.

so i was trying to install windows 7 directly from windows 10 on board. in this process i formated the partition and wondows 10 get coruppted.now i am stucked.

after that i tried and finally enable usb boot option by making some changes in bios.but everytime i try after selecting the usb boot laptop screen goes all black and does not happened anything.o have tried it many times.

can not updating bios or cant install a windows.

what should i do..???

help me guys!!!!
 
Mar 28, 2018
2
0
10


yes i did it.

many time in many different ways.

but it did not work.