ReadyNAS 2100 will not boot

ok when i turn it on it will go through a boot of sorts 

Blue Flashing 

eithernet 1 disk 2

eithernet 2 then act

then fans slow down 

then both eathernet and steady blue

this happenes with or with out hadd in place i have also tried the dicks from my other 2100 

when i go into boot mode

ie press reset whilest turning on i goto any mode 

factery reset for one

i hold the reset down till all hdd lights on 

i press backup to disk 2 or 3 press reset again 

and then thats where it stays it will do nothing execpt sit their 

i was told to try a usb recovery 

was told to press and hold resert for 15 sec i did all disk leds on then nout nothing happens i have tried 3 usb drives two scandisk and anoher uknown 

when  i do this two of the usb had indercators on them and i can see to start acitivaty then nothing 

it was fully working untill i did a os install then it froze and now its bricked ie it will not go pasted the boot sequence i hope tgis helps 

you asked me to put into test mode it haung on that too