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What happens if you turn the calculator on, press then release the 2ND key, then press and hold the down-arrow key for five seconds or so?What happens if you turn the calculator on, press then release the 2ND key, then press and hold the down-arrow key for five seconds or so?
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Try to lighten the screen reolution. Turn the calculator on, press the 2nd key. Then hold the down arrow key. This should lighten the screen. You can darken the screen also. The only difference is hold the up arrow key down until it's dark enough.
To lighten the screen, turn the calculator on, press and release the 2nd key, then press and hold the down-arrow key. If you go too far, press and release the 2nd key then press the up-arrow key.
Lighten the screen by holding down the green diamond key and then holding down the - key. If you go too far, use the + key instead of the - to darken the screen.
Press and hold the Control key marked with a green diamond, then press the minus key (above the + ) to lighten the screen. If you lighten the screen contrast too much you can darken it as follows: To darken the screen press and hold the diamond key and press the + key.
If your screen is that dark when it boots up, you may have lost the inverter that supplies the increased voltage to run the screens backlight. The commands for the lightening and darkening the screen are as follows.....
The most probable cause (at least I hope so) is that the screen got too dark after you changed the batteries. It is a common occurrence: Screen becomes too dark or too light. To adjust the screen contrast:
Press ^2nd key and release it.
Press and HOLD the DownArrow key until screen lightens to your taste.
Hi, The screen contrast of the TI83Plus/TI84Plus/TI84PLUS SE can be
adjusted to suit the user. Sometimes after the batterie have been
replaced the screen contrast is reset to the factory defaults. To adjust it to your liking.
Press the [2nd] key and release it.
Press and hold the Down Arrow key to lighten the screen or the UP arrow to darken it.
In your case, the screen is too dark, so in step 2 above you press and hold the Down arrow until the screen lightens enough. Hope it helps.
What happens if you turn the calculator on, press then release the 2ND key, then press and hold the down-arrow key for five seconds or so?
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