Chosen Solution
My calculator turns on but the screen is very dark so I cant see what I just plugged in? How do I fix that?
Repeatedly press [2nd] and the down arrow until you can see the cursor. You can view a guide about this issue here.
Backlight not working… U must repair its circuit….backlight is like a led that can enlight your lcd to seeing it… Without backlight u cant see any thing… U must refer to service manual of your calculator and look for backlight circuit
