HP41CL Secondary MMU Lockup

[Sylvain Cote]

I have tried very hard to brick my 41CL and I was not able to do so permanently.

Do another Memory Lost and redo your commands, it should works.
If not, remove the batteries, {wait for ... see period below}, insert the batteries and redo your commands, it should works, if not, use a longer wait period.
Wait period: 1 minute, 1 hours, 1 day, 1 week

Sylvain

PS: On a standard 41C/CV/CX I use a paper clip to short the first and last battery connector in the 41 case, but I do not remember if the trick works on the 41CL.