The other method you can try is from the working switch do a request system snapshot media usb and use this as a bootable image on the none working switch.
Copy the install file to the usb and boot the down switch
Then do an install with disk format option to the internal media from the usb drive.
To prevent problems like this in the furture be sure to have snapshots taken on the switches after configuration changes. This creates an alternate boot partition so if the primary is corrupted by a power event it can boot from the alternate
reques system snapshot slice alternate