Re: [FR/EN] Downgrade Nspire OS 3.9 CX / CX CAS

Guys I just installed OS version 3.6...
My calculator isn't booting up...
What do I do now?
My calculator isn't booting up...

What do I do now?
News, programmes, tutoriaux, forum sur les calculatrices TI, Casio, NumWorks... !
https://tiplanet.org/forum/
JSantosPT wrote:My calculator isn't booting up...
RMMA wrote:I need help with My Ti Nspire Cx (with trailing letter "T")
RMMA wrote:...the downgrade to 3.6 os is successful and all work fine but I cannot disconnect them from pc or other usb power supply. Whithout the usb cable , the calculator tries to run but it turns off itself after a while. If I re-install the 3.9.1.38 os it work fine again. Even with the 3.9.0.463 doesn't work without the usb cable!
RMMA wrote:Yes, the last character is "T". Thanks