Ti-83 Plus weird display problem (detail included)
Whenever the screen is full and a line with calculation result comes up at the bottom of the screen, the screen all of a sudden shows things in a weird way and can't be read. By press "2nd+mode"(=quit), it gets back to normal. but this pattern repeats forever. Every time screen is full, and a new line comes up at the botton of the screen, the weird display problem repeats.
Does anybody can help me?
Re: Ti-83 Plus weird display problem (detail included)
Warning the following tip will erase apps and programs from calculator! The following will run the self-test mode Press mode then press alpha then press s then press enter If you want to get out of the self test press the on button in case you want to attempt to save/transfer apps, programs, variables etc. The calculator will start to test itself it'll countdown and display numbers on the screen. It can get better sometimes other times a replacement of both the cr1616/cr1620 lithium battery and the 4 AAAA batteries work. Also ensure that you've attempted to clear out all the memory and reset the calculator. To delete all variables, tables, graphs, etc: Press 2nd button then press MEM then press 2 then press 1. To reset the calculator press 2nd button then press MEM then press 7 then press the left arrow then press 1 then press 2.
Re: Ti-83 Plus weird display problem (detail included)
I had the same problem for a long time, I just let it sit there without the batteries for a while (a few weeks) and then plugged the batteries back in, hit 2nd+MODE(Quit) and it worked just fine after that. Also try to take out the little battery in the back, the memory battery, maybe that will fix it. Good luck.
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It sounds as if you might have split screen mode on. I've got a TI-83 as well as a TI-89 Titanium, both offer a split screen mode. The latter allows for choosing which applications are displayed on each half screen. I am presuming that you may have accidentally put your TI-84 in this mode.
So, if it is a split screen deal then all you have to do is go to the mode screen, find the option for switching from split screen to full screen, and switch it back to full.
You've got the split-screen turned on. To turn it off, press MODE to open the mode screen. Use the arrow-keys to move to the second-to-the-last line, highlight "FULL," and press ENTER. Press 2ND [QUIT] to exit the mode screen.
You probably have your calculator set to display the graph on the home screen. Try pressing MODE and going to the last option, then changing it from "Horiz" to "Full". "Horiz" means it is displaying the graph (probably without axes since your screen is otherwise blank) on half the screen.
Whenever the screen is full and a line with calculation result comes up at the bottom of the screen, the screen all of a sudden shows things in a weird way and can't be read. By press "2nd+mode"(=quit), or try reset button (a small hole which a pin can only be used to press it to RESET.Gud Luck
Hello, I was able to reproduce the output p/y 1 but I have no isea what the horizontal lines come from. (maybe you set the split screen in mode Horizontal) but that would be touching more than one button. Press [2nd][MEM][3: Clear Entries][ENTER] or Press [2nd][MEM][7:Reset][1:All Ram][2:Reset]
In case you are interested, here is what you did to get the p/y =1. You pressed [APPS][->>][VARS][6:P/Y][ENTER] to get 1.
Solution 11900: Troubleshooting a TI Graphing Calculator That Will Not Turn On.
For the TI-83 Plus Family, TI-84 Plus Family: Caution: The resets described in these troubleshooting steps will cause a loss of applications, programs and data. If at all possible please create a backup using TI Connect™ first.
Try a new set of AAA batteries.
Adjust the contrast by pressing and releasing the [2nd] key followed by pressing and releasing the up arrow; repeat as necessary. To adjust or lighten the display, use the down arrow.
Remove one of the AAA batteries. Press and hold the [CLEAR] key. While holding [CLEAR], reinsert the AAA battery and then turn the calculator on. The calculator should display the message "RAM Cleared". Release the [CLEAR] key and then press it one more time to remove the message.
Remove one of the AAA batteries. Press and hold the [DEL] key. While holding [DEL], reinsert the AAA battery and then turn the calculator on. The calculator should display "Waiting...Please install calculator software now". Follow the instructions for the TI-83 family or TI-84 Plus family to reinstall the calculator operating system.
Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.
This is kinda a weird situation. Because it's usually the other way around. Your ram will clear if your calculator is frozen. So take out all 5 batteries from the back. Even the back up battery. Then reset it again. 2nd then + then 7 then 1 Then 2. Good luck.
There maybe electrical shorts connecting the two motherboards, logic part and screen display part, or within the screen display part, causing the weird display when the calculator appears otherwise functional.
Open the TI 83+ case following the U Of Washington posting on fixing TI 83+ problem on inability to communicate with TI link cable between calculator and computer. I used the plastic tools in an IPod battery replacement set to open the TI 83+ case as plastic tools will cause less damage to the TI case.
Under the aluminun foil are the two motherboards, each a work of beauty. Good work TI. Connecting the two motherboards is a adhesive enbedded connectors sheet. Above that adhesive connector sheet was a different adhesive connectors sheet in the screen display part, which in my case, some of connectors were exposed. I wiped that adhesive connector sheet and the weird display disappeared with calculator functioning. I may buy some heat resistant clear adhesive tape to put over the exposed connectors part for insulation if problem occurs again.
The above may or may not be helpful.