PC won't boot from USB pendrive

paparazzo79

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Hi guys.
I'm trying to format and install W7 over previous installation of Windows.
I made MBR installation on pendrive,plugged it into one of USB ports,rebooted PC and in BIOS change boot order to boot of from USB.
But when I get to the menu "press any key to boot from USB... keyboard is simply unresponsive.
I tried even to reboot and press F9 after post then I got to the screen BIOS like to select from where to boot but (where my pendrive is listed) but simply keyboard is not responding no matter which key I press (need up and down arrow).
I tried all possible USB ports (front ad back) no help.
So how could I reinstall OS then? :(
What could cause such dumb issue?
 

My Computer

OS
Windows 7 Ultimate 32bit
CPU
amd athlon 64 3600+ X2
Motherboard
Biostar NF520-TE
Graphics Card(s)
Ati Radeon 3650 HD
Monitor(s) Displays
Philips 227EL
try a diiferent port for the keyboard, usb or ps2 ?
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    OS
    7 X64
    CPU
    i5 8400
    Motherboard
    gigabyte b365m ds3h
    Memory
    2x8gb 3200mhz
    Hard Drives
    various
    PSU
    pure power 11 400w cm
    Case
    Coolermaster
    Cooling
    cryorig m9i
  • Computer type
    PC/Desktop
    OS
    7x64
    CPU
    g5400
    Motherboard
    ga b365m ds3h
    Memory
    8gb ddr4 2400
    PSU
    xfx pro 450w
I've managed to solved it...it was some option in BIOS with USB devices which was disabled.
 

My Computer

OS
Windows 7 Ultimate 32bit
CPU
amd athlon 64 3600+ X2
Motherboard
Biostar NF520-TE
Graphics Card(s)
Ati Radeon 3650 HD
Monitor(s) Displays
Philips 227EL
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