i have a problem with Cisco Edge 300 switch Model CS-E300-K9 , i tried to upgrade the linux o.s on this device to v1.4 using telnet and commands provided for the upgrade ,but when i restart the device i got black screen with cisco logo and and the de...

i have aproblem with edge 300 switch model CS-E300-k9 ,the problem is i try to upgrade the firmware on this device to v1.4,i excute the provided commands but when i restart the switch i got black screen with Cisco logo

i have a problem withe aan edge 300 switchthe problem is when i try to upgrade the firmware of this device to v1.4 and exeute the command of this upgrade an restart the switch i found the there is black screen with cisco logo and i cann not boot to o...