HP-41CV doesn't function properly

[LarsF]

(02-15-2022 05:34 PM)rawi Wrote:  Perhaps you should contact thecalculatorstore.com which is specilized in repairing HP 41 calculators. There is as well a book which might help you.

I bought that book and I notice that they have a new battery bay and zebra connector.
The symptoms I have notice so far is: can be hard to turn on/off, don't react to key presses and also I have got some MEMORY LOST. It also show som strange symbols in the display.