My screen is solid black as if the contrast is all the way up. I tried to lower it but it still doesn't work. If i gently press on the screen i can see the numbers i press in the background very faintly. I haven't used this calculator for about 4 yrs and there were no AAA batteries inside when i first tried it out. It hasn't been dropped or water damaged either. I put new batteries in it including the small circle battery under the screwed down cover and still no screen. What do you recommend i do?
I had the same problem however, when I took out my back up battery it said "re-intalling" when I turned it back on and the screen was fixed. Im sure for a marginal price you might be able to send in your cal. to TI to get the screen replaced if its a problem with the LCD.
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Hello; try these steps to get you back up and calculation.
1.) Make sure that the batteries are fresh and that the terminals are correctly aligned.
2.) And this is the most common problem: Press 2nd and then hold the up key. This will adjust the contrast. If correctly done the cursor should appear. If the screen gets too dark the press 2nd and down. This will lower the contrast.
Hey I had at 85 years back when everyone else had an 83. This problem doesn't seem like its dead or forozen. It seems like a contrast problem. I hope for your sake that it is.
Try turning it on; getting the dark screen, and then press second and down. I can't remember on the 85 if you press second and down and then hold down; or press sencond and down back and forth repeatidly. Try both and good Luck!!
Hello, The screen of a calculator is pretty fragile. If you cannot remove the smudge by gently cleaning with a lightly damped, soft cloth do not try any solvent. I just tried isopropyl alcohol @ 50% per volume on my TI83Plus and it did not hurt the screen.
You can play with the contrast (increase or decrease). To change contrast you perform the following manipulations. 1. Turn calculator ON 2. Press [2nd] key, then release it. 3. Press Up arrow, then release it 4. Repeat steps 2, and 3, until contrast is satisfactory.
To decrease contrast do as above, pressing Down arrow in step 3.
Try adjusting the contrast. It may be too dark. Turn the calculator on press the 2nd key and the down arrow. This is how to adjust the contrast and will lighten the screen. You can darken the screen the same way, but use the up arrow instead.