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Texas Instru... Master
102,366 Answers
- Posted on Feb 23, 2011
Re: When i turn it on a black screen pops up and i cant...
Try adjusting the screen contrast. To lighten the screen, turn the calculator on, press and release the 2nd key, then press and hold the down-arrow key. To darken the screen, use the up-arrow key instead of the down-arrow.
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