tried to upload OS to TI-84 Plus Silver Edition from friend
accidently stopped process
now calculator shows screen with:
Please install operating system now.
if i click the on button(only button i click and the cal reacts)
out come a creen with:
Press any key to turn unti off. Then turn unit back on.
I do tht ad itsays the same thing over and over
i blew compressed air into the I/O port, i took out al batteies includingte back up battery and pressed on the on button for 10 to 30 secs
then just held the calc w/o batteries for ten minutes
tried the TI connect and oher stuff
been all over the web found twoother people with same problem doesnt look like they solved it