Calculator won't turn on ¶
You have tried, but your calculator won't to turn on.
Bad Batteries ¶
The batteries in your calculator may be dead. Try changing the four triple AAA.
Low Contrast ¶
The constrast on your screen may be too low and you can't see what is there. Try pushing the on button and then pushing the [2nd] button and the up button to increase the contrast.
RAM Issue ¶
The memory in your calculator may be corrupted. Remove one AAA battery and press and hold [CLEAR] , while you are holding the button reinsert the battery.
Bad operating system ¶
It is possible the operation system is malfunctioning on your calculator. Remove one AAA battery and press and hold [DEL] , while you are holding the button reinsert the battery.
If nothing else works... ¶
Your calculator's motherboard may be bad, you can try replacing it. Here are some helpful instructions.
Buttons don't respond ¶
You are pushing the buttons but nothing is happening.
Bad Keyboard Contacts ¶
A keyboard contact may have shorted, replace the keyboard which is part of the motherboard. You can get instructions here.
Torn Keyboard Mat ¶
The keyboard mat in your calculator may be torn or damaged. It can be replaced with these directions.
Broken Key ¶
If a key is cracked it may not be pushing on the keyboard mat properly. Install a new key with these instructions.
Screen has black spots or is glitching ¶
for some reason black spots are on your screen.
Bad screen ¶
Pressure was most likely applied to the screen and the crystals are damaged, replace the screen with these useful instructions.
Broken Case ¶
Oh No! You dropped your calculator and the case is cracked.
Cracked Case ¶
Your case is broken and needs to be replaced. You can find instructions here.
Programs and Variables Disappear ¶
When you try to access a program it isn't there.
Dead Back-up Battery ¶
The battery that runs the memory when the main batteries are out is dead. It can be replaced with these instructions.
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