Hi Leo,I was able to open an RMA ticket.Thanks for you help. 

Hi Leo,Do you need and active support contract to RMA a switch in this scenario?

After several different versions, I loaded c2960x-universalk9-mz.152-4.E6.bin.However, during boot up, I noticed these logs:POST: ACT2 Authentication : BeginPOST: ACT2 Authentication : End, Status Failedextracting front_end/front_end_ucode_info (43 b...

Hi Leo,I was able to load c2960x-universalk9-mz.152-2.E.  This is the oldest of version of 15.2 available from Cisco.I then tried to load c2960x-universalk9-mz.152-7.E10 again to see if it's an upgrade path issue, but it hung again.I will try other I...

Hi Leo,Yes, after reseating power, I can press the mode button and boot from the original IOS version that came with the switch.   mifs[8]: Bytes available : 249856mifs[8]: mifs fsck took 0 seconds.mifs[9]: filesystem check interrupted!...done Initia...