switch: flash_init
Switch: load_helper
Switch: dir flash:
If there is an image in the flash, it will show in the directory. If the image is totally wiped, you'll probably need to do an XMODEM transfer of a good image. First, though determine if there is an image still on the switch. You may see several other files under the directory (vlan.dat, boot_var, config.text, etc.). Don't worry about those.