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I cannot find my problem anywhere in the forums when i turn it off it shows blank bright white screen My Texas instrument calculator TI-84 plus CE Works excellent except for when you turn it off it goes off on a blank white screen . when you turn it on it goes on normally however, when it is on you cannot adjust the contrast or the brightness of the screen, you cannot dim it or even make it more brighter . please take note that all buttons are functioning properly and I have tried everything hard reset pressing second delete and back reset button also trying to reinstall OS didn’t work also try to clear memory several times same thing remove the battery for more than 10 minutes then put it back same thing also try the self test the brightness indicator changes values on the screen but still do not dim or brighten please advise urgent thank you
White screen takes the most power to operate/. Might need a new battery
