so when i turn it on it gets to
U-Boot 1.1.6-JNPR-2.4 (Build time: Aug 31 2012 - 12:15:03)
SRX_240H2 board revision major:2, minor:9, serial #: ACKV4878
OCTEON CN5230R-SCP pass 2.0, Core clock: 600 MHz, DDR clock: 333 MHz (666 Mhz data rate)
DRAM: 2048 MB
Starting Memory POST...
Checking datalines... OK
Checking address lines... OK
Checking 512K memory for U-Boot... OK.
it hangs here and loops
but no prompt is shown, i do have another srx240 which works, how do i use create a bootable usb and snapshot from the other srx240