can’t install windows after formatting

Mar 26, 2018
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hi guys, so today i was facing problem with my windows 7 and so i decided to just remove it and everything else in pc...i tried to install windows 10 but it was showing problem...it was not installing on any partition so i formatted all partition but it still won’t get installed...well after that windows 7 won’t start...then i tried installing windows 7..through usb but it was showing error load drivers ( i have installed from usb before and it worked last time)

so this is the problem pls give some advice..i’m really frustrated