Please follow this procedure:
1. Press to go into the BIOS setup
2. Go to the "Advanced" tab
3. Select the "BIOS Features" option
4. Enable the "PXE Option ROM" option
5. Save and exit the BIOS setup by pressing F10.
6. Press to go into the BIOS setup, again.
7. Go over to the "Boot" tab and select "Boot device priority"
8. Change the boot order for your desired configuration. The PXE option appears as "IBA GE"....