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Casio FX-115MS

Released August 2000. Identified by the model name FX-115MS

Calculator Will Not Turn on ¶ 

Screen may appear to be blank.

Low Contrast ¶ 

The contrast may have been turned down on the calculator. Press the MODE button six times, then press the number 2, and then right arrow until the words or numbers appear on the screen.

Dead Batteries ¶ 

The batteries may be dead. Replace the battery with a button battery model LR44. To do so, follow the (insert the guide here).

Screen is Black ¶ 

The screen may be completely black, or the screen my have splotches of black throughout.

High Contrast ¶ 

The contrast may have been turned up on the calculator. Press the MODE button six times, then press the number 2, and then left arrow until the words or numbers appear on the screen.

Broken Screen ¶ 

If black spots appear the screen may have been broken. If this is the case, the entire motherboard needs to be replaced, follow the (insert guide here).

Buttons Are Not Responding ¶ 

Some or all buttons are unresponsive when pressed.

Broken Button ¶ 

A certain button may not be operating correctly. Follow the (insert guide here) for steps on how to replace the individual keys.

Broken Keyboard ¶ 

A part of the keyboard may be broken, or not responding. Follow the (insert guide here) for steps on how to replace the entire keyboard.

Broken Housing ¶ 

There may appear to be a crack in the plastic housing.

Cracked Face Plate ¶ 

If the face plate has a crack in it, follow the (insert guide here) for steps on how to replace it.

Cracked Back Plate ¶ 

If the back plate has a crack in it, follow the (insert guide here) for steps on how to replace it.

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