Inspiron 7520 error NO BOOT DEVICE FOUND

A new laptop and the screen goes from the DELL logo to CHECKING MEDIA [FAIL] then NO BOOT DEVICE FOUND. PRESS ANY KEY TO REBOOT MACHINE.
in BIOS boot options, LEGACY BOOT and UEFI BOOT.
UEFI BOOT needs network connection to boot as I understand. With LAN cable plugged in I get: Start PXE over IPv4 Press ESC to EXIT
PXE-E18: Server Time Out.
I tried using legacy boot but after CLIENT MAC ADDR info displayed the next entry is: PXE-M0F: EXITING PXE ROM.
No Boot Device Found. Press Any Key To Reboot Machine.
What do I need to check to correct this?
2 answers Last reply
More about inspiron 7520 error boot device found
  1. Hi :)

    Run a hard drive test in DOS...HIRENS CD etc, it sounds like a failing hard drive...

    All the best Brett :)
  2. use the below steps got from net

    Start the machine and hit f2 to get to bios.
    Disable secure boot in the boot options screen
    Enable load legacy option ROM
    Keep boot list option set to UEFI
    f10 to save and exit
    Shut down machine and start it again with the usb device attached
    f12 on boot to get legacy boot option
    Pick usb from the list and off you go
    Edited by: Graham White ( Mar 9 )
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