Casio CLASSWIZ CG Software User's Manual page 251

File System ERROR After establishing a connection between
the calculator and a computer, the
calculator memory has been accidentally
formatted by an operation from the
computer. This message appears when
the USB cable is disconnected following
formatting.
The memory area has been fatally
corrupted due an electronic component in
the device reaching the end of its service
life, or some other reason.
If you accidentally format calculator memory
If the calculator displays the File System ERROR message because its memory was accidentally formatted,
you need to initialize the calculator.
Perform one of the operations shown in the table below.
To do this:
If you transferred data to the calculator
after executing the formatting operation,
save the transferred data to your computer
before initializing the calculator.
Initialize the calculator, which discards all
data remaining in its memory.
Data communication errors
When you see this It means this:
message:
CSV error in row [A] The imported CSV file included data that
or column [B] cannot be converted.
USB Connect USB cable connection broken during data
ERROR communication.
3D Graph app errors
When you see this It means this:
message:
No item is selected Attempting to draw a graph while there is
no data selected.
Intersection requires You tried to determine a point of
two or more objects. intersection without first using the Line
(fx-CG100 only)
Formatting deletes all data remaining in
calculator memory. See
format calculator memory" (page 251)
what you need to do.
From the menu that appears along with
the message, select [Initialize All] and
then press O. If this does not resolve
the problem, contact your retailer or your
nearest CASIO service center.
Perform this operation:
(1) Highlight [Save data to PC] and then press O.
(2) Perform the operations under
to a Computer" (page 210)
your computer and then disconnect the calculator from the
computer.
• This causes the calculator to display the File System
ERROR message again.
(3) Highlight [Initialize All] and then press O.
Highlight [Initialize All] and then press O.
So you need to do this:
Use your computer to check the row A,
column B data in the file and change it to
data that can be converted.
Use the USB cable to correctly connect the
calculator and computer.
So you need to do this:
Select data and try again.
Use the Line template or Plane template to
draw multiple 3D graphs and try again.
251
"If you accidentally
"Connecting the Calculator
to save calculator data to
for