A black screen on the TI-83 graphing calculator is fixed by adjusting the contrast of the screen. If adjusting the contrast does not work, a total factory reset may be required. Check to make sure that the screen has not been damaged and the dark color is not the result of ink flooding the screen.Know More
Press and release the On button, located on the lower left of the bottom row of keys. Then press and release the yellow 2nd button, located on the top left.
Press and hold the blue up or down directional buttons until the desired screen contrast is reached. The directional buttons are located at the upper right of the calculator, just below the screen. Holding the up button darkens the screen, while holding the down button lightens it.
Press the yellow 2nd button followed by Mem, which is the second function of the + key. Select 7, then scroll and select All. Press 1 and then 2. Only do this if adjusting the contrast does not fix the screen; clearing the RAM resets the TI-83 back to factory settings, erasing all programs and data stored on it.
"ERR:INVALID DIM" is an error message that comes up when one or more of the calculator's "STAT PLOTS" are set to "on" but there are no values or incomplete values in the "STAT" lists. It can also mean the user entered the wrong type of data.Full Answer >
Screen tearing is a visual effect that occurs when a display device attempts to load two frames into a single frame; it is typically seen in video games and movies. Screen tearing displays a torn look that is most noticeable on images of straight objects, such as poles or trees.Full Answer >
To troubleshoot a laptop screen that doesn't turn on, first listen closely to the laptop to determine whether it has actually booted. If it has not booted properly, try connecting the power cable if the laptop has been running on battery power. If the computer is connected to a docking station, disconnect it. Peripheral cables such as USB devices or an external mouse should also be disconnected.Full Answer >
To run a program on the TI-89 calculator, turn the calculator on, and press the Home button. Access the list of programs by pressing the Subtraction button. Select and run the program from the list of programs.Full Answer >