With the Junos Space 16.1 JA2500 USB stick boot menu, it may not be possible to use the arrow keys to make a selection
Arrow keys are non-functional when attempting to select re-install.
Putty Default settings work correctly. Some serial programs have different flow control settings by default. In the Serial console settings, check to see if Flow Control (sometimes labeled handshake) is set to: XON/XOFF If you need further assistance, please Contact JTAC .