'ISPF reconnect successful but does not show ISPF primary options menu
I have a problem reconnecting to ISPF. After the TSO/E LOGON screen, the screen on the attached picture shows and says that logon reconnection is successful, but it doesn't proceed to ISPF. If I type any commands, ISPF, logoff, etc. it locks. 
Solution 1:[1]
Make sure you are connecting with the same terminal settings(mod5, mod2, etc). Sometime you need to use PA2 to force a rebuild of the current panel. If you disconnected while running a CLIST/EXEC/program, then you might need to ATTN out of it.
Solution 2:[2]
It could have been that you were in a process that was looping or hung, and you were simply reconnected to that looping/hanging process. Next time, try the ATTN key. I have seen some installations set up the logon screen/process where if you do not choose RECONNECT, your still-active prior session will be terminated prior to logging you on. This is a nice setup, especially for hang situations like you were probably in.
Sources
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Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | Marv Knight |
| Solution 2 | Todd |