Question about HP 49g+ Calculator

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When I try to turn on the calculator, nothing but a straight horizontal line appears on the screen.

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Hi
the HP 48g+ is similar to TI83 Plus
the same problem also in the TI its an hardware failure
if you want to fix the calc let me know
ecrdn@yahoo.com

Jack

Posted on Oct 23, 2010

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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.

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My TI-84 Plus Silver Edition Calculator is missing pixels 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...


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My TI 86 is 6 years old and I have taken careof it well.


Try pressing (lightly) on the bottom border below the screen. If there is no change, try the top. If there is still no change, the power for your LCD may have become disconnected or shorted. There are external displays for these calculators intended for overhead projectors. If your school has one, you could try hooking it up to make sure the calculator itself still works.

In either case, it would be better to purchase a new calculator.

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Bad inverter, or a dirty one. Remove the power cable and battery, then take apart the screen bezel, or casing. Remove the LCD by unhooking it. Disconnect the inverter. Clean it. Reconnect it. Fixed.

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Hello,
Read this article for troubleshooting.
Hope it helps.

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I've had the same problem. A temporary fix that I have found is to turn up the contrast all the way (press [2nd] then hold down the up arrow) until the screen becomes mostly black. Then turn the contrast back down (press [2nd] then hold down the down arrow) until it is at a normal level. If you can get rid of all the white lines when you turn up the contrast the screen will be back to normal. Unfortunately this does not permanently fix the problem because I cannot get rid of all the lines and it seems to be getting progressively worse each time it start up the calculator.

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I had the same prob with vertical lines on the screen, and getting messed up when there was lots of numbers on the screen.

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