Red screen ti nspire cx non-cas

[vhrks]

viewtopic.php?f=15&t=23286&start=10

I finally charged my battery. But the real problem is that the software says it cannot downgrade it.

The Google says "If I want to downgrade, I should be able to BOOT the calc."

But as you know, I cannot even boot my calc.

So, Is there any solutions?

Thank you.