Texas Instruments TI-89 Calculator "lines screen" Questions

...screen w the lines slicing through number...not very good:-).if i darken the screen totally, i have missing "white"lines...is the calculator useless at this point or can it still be fixed? thank you ...

blank line on screen about 3/4 of the way down the screen, there is a blank horizontal line If the line isn't a physical line on the screen it might be that you had 3rd party APP's programs, shell, or

...lines in the middle of the screen. If I press 2nd then + sign, i get menu to reset, but three lines are not visible. This happens in the screen area that appears to be missing pixels horizontally ...

lines My screen is covered with an uneven grid of whitle horizontal and vertical lines. I've had the same problem. A temporary fix that I have found is to turn up the contrast all the way (press [2nd]

My screen has dark vertical lines My screen has dark vertical lines try changing ur screen resolution to a higher value otherwise change frequency of your monitor

the display screen does not display the first two characters of each line. The display screen does not show the first two characters of each line. Is there a way to reset the screen or fix the problem

T1 83 problems with screen When I turn on my T1 83 Plus the screen is black but there is a line near the top of the top of the LCD screen. I tried replacing all batteries but line remains. what you do

...lines on the screen, and getting messed up when there was lots of numbers on the screen. Solution: Change your batteries. Put some freshies in then adjust your contrast until you see the little black ...

Parts of the calc never turns on in the screen.. Whenever I turn on my TI-83 there are some parts in the screen that wont turn on. For example, if I put in 4+4, the answer comes out in the right side ...

lines on the screen goeing through the #'s making it hard to read I have three lines on the screen causing the numbers to have a line through them when typed. Annoying problem. I havent dropped it or ...