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How do i lighten the screen for working outside . For that matter - I don't know how to make the F (function keys) work

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Are taking about you labtop or desktop, most likely click any on the desktop, right click to be exact and go to properties and then to display settings, that should help brighten up your screen

Posted on Jul 25, 2009

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All I get when powered on is a black square that is gridlike. No other controls work. All 5 batteries are new. How do I get it fixed. My location is Reseda California 91335

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.

Jul 14, 2011 | Texas Instruments TI-83 Plus Calculator

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When it's truned on, the screen is completely dark but it still functions.

Try adjusting the screen contrast. To lighten the screen, press and release the 2ND key, then press and hold the down-arrow key for a couple of seconds. To go the other way, use the 2ND and up-arrow keys.

Nov 25, 2010 | Texas Instruments TI-83 Plus Calculator

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Want to know how to lighten up the screen. need an instruction manual

These are the Function keys

<Fn> + <↑> Volume up Increases the sound volume.

<Fn> + <↓> Volume down Decreases the sound volume.

<Fn> + <→> Brightness up Increases the screen brightness.
<Fn> + <←> Brightness down Decreases the screen brightness.

Nov 09, 2010 | Acer Aspire 5100 Notebook

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My ti - 83 hasn't been used in a while, placed new batteries in it and all i get is dark won't even turn off......there is just a dark screen......any ideas what causing this and how to fix...

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:
  1. Press ^2nd key and release it.
  2. Press and HOLD the DownArrow key until screen lightens to your taste.

Mar 09, 2010 | Texas Instruments TI-83 Plus Calculator

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Hp530 screen real dark can see little how to

If it's due to the display settings on your computer, please do this-

Keep on holding down the function key(Fn - probably second key from bottom left) on the laptop and then press F10 key till you get the screen to become brighter.

Please let me know if it works, otherwise, we will have to gothrough a series of steps to resolve it.

Dec 27, 2009 | HP 530 Notebook

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Lighten screen

while holding the fn key (function) press the f8 key a few times, screen brightness should get brighter with each press. the fn key might be located next to the control key lower right corner of keyboard.

Dec 25, 2009 | Compaq Computers & Internet

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My TI-84 plus won't turn on... even with new batteries

Could be the screen has been dimmed so much that you can't tell that it's coming on. Press on and then 2nd button and the up arrow key. You may need to keep pressing 2nd and up arrow key. This is how you darken the screen. You can also lighten the screen which may be the problem you have by pressing 2nd and then the down arrow key. This is how the contrast is controlled on your calculator

If this doesn't work, take out the internal battery that is located in a tiny door with a screw right above the 4 AAA batteries. Leave this out for about 8 hours and put it back in. Put in the AAA batteries and the calculator will be reset and may work.

Jun 22, 2009 | Texas Instruments TI-84 Plus Calculator

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M2616 display problem dark screen not showing

If it is caused by an incorrect contrast adjustment YES you can fix it.
Press "Program", then "0", then "2", then slowly repeat the "Left Arrow Key" and the display should lighten and become visible again, once satisfied with the contrast setting, press "Program". If you lighten it to far, press the "Right Arrow Key" to darken it again. If this does not work, it is a hardware fault and not repairable by a user.

Mar 22, 2009 | NorStar Nortel M2616D Hands Free Phone...

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Light off on screen. Someone dimmed the light.

Compaq says to DECREASE the screen brightness for your specific model, use the fn key in combination with the F7 key (basically, hold down the fn key and press and release the F7 key). That most likely means that the Function key to INCREASE the screen brightness is usually on one side or the other (F6 or F8). Also, look for what the other User suggested; the function key should have a picture of a sun or sunburst. Hope this helps.
Keith Stoffer
Comptia A+ Certified Technician (20+ years)

Oct 29, 2008 | HP Compaq Presario V2000 Notebook

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