Ti-85: Horizontal Line Across Screen - Battery Problem?

My screen just powers up to a horizontal line. Does the smaller backup battery need replacing? Is something else wrong? Thank you.

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Anonymous

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I 'm confused about whether i have to place two kinds of batteries into ti 85 calculator both Cr1616 battery and AAA size batteries? BEcause when i place one of two kinds of batteries the screen did not turn on

Posted on Sep 18, 2008

Anonymous

I had that same prob, but i sent it in 4 repairs.
I took out the replacement battery, but it started up normal.

Posted on Jan 24, 2008

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35 Answers

Yes, the back up battery must be replaced.

Posted on Aug 27, 2007

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