Question about Texas Instruments TI-84 Plus Calculator
My calculator will not turn on at all. I changed the batteries and nothing happened.
Try the following
1) Remove one of the AAA batteries, hold down on the DEL key while reinserting the AAA battery. The handheld might display Waiting…Please install calculator software now. Ignore this message. Remove and reinstall one of the AAA batteries again This time, do not hold down the DEL key.
2) Remove one of the AAA batteries, press and hold the [on] key for 10 seconds, release, replace the battery, then turn the unit on. Adjust the contrast.
3) Remove the AAA batteries for three hours. After the three-hour period, reinsert the batteries and turn the handheld on. Adjust the contrast if necessary.
If needed, reinstall OS by downloading the OS from the TI site and ....
On your computer, choose Start, Programs, TI Tools, TI Connect, TI OS Downloader.
(I am not the one who came up with this answer, but found it on an other site. If this doesn't work, please let me know)
Posted on Nov 29, 2007
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Posted on Jan 02, 2017
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