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My Casio fx991 es plus calc not working what should I do? No display battery also changed. Advise me please.
same problem occured my casio fx-991es plus. i changed battery same problem occured not turn on my calculator but working while solar. so i opened my calculator i check the wire connection solar wires are connected properly and battery black wire it mean negative line cut down. i fixed that issue now my calculator working finely. thanking you.
@shah313 double check to see if there is a reset hole on the back of your calculator. Use a small object to depress the rest button in there. Let us know what you find.
On the back there will be a “P“ button in the middle. Press it and see if there is a difference.
I saw that the calculator was solar, so then I took my device and turned up the brightness and faced it to the front of the calculator. It started turning on
As it’s screen is not showing anything; Consult with any technical expert as there may be some internal faults which can’t be solved verbally.
Same thing also happened with my calc. So i was searching for the reset button but couldn’t find any at the back. So what i did was i tapped the calc around the solar plate area with my fingers three four times and then pressed the power button. And it turned on.
I had this problem too I opened my calculator still couldn’t figure out what was the problem so what I did was my cal works on solar power as well so I turned my cell phone flashlight on and I held my calc display in front of the light and it worked it’s not supposed to work when I light is
My Casio calculator fx 991ES PLUS power button is not working, unless i remove the battery and put it back
Hi I have a problem with my calculator as well, even though there is a battery in my calculator model fx-95ES, it does not turn. I tried to change the battery of it but still nothing any idea why it is like that? . Anything that can help this problem thank you. :)
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