My brother did something to my calculator that seemed to have completely broken it. He entered in a LOOOOONG expression on the homescreen (without pressing ENTER), then he pressed 2ND+ENTER, and then the calculator became unresponsive. When I pressed the RESET button on the back, it turned on to a screen with random colored lines on it, and it is unresponsive. Any solutions? CLEAR+ON and DEL+ON don't change anything, and the calculator won't turn off either.

EDIT: Never mind.
What ended up fixing it? For people who are having similar issues, it's worth mentioning that 2nd+ON+DEL+Reset is the new "wipe OS" key combination./
Just 2nd+DEL+RESET worked for me. Then a memory clear and an OS reinstall.
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