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GFK-2251 Chapter 7 Diagnostics and Troubleshooting 7-3
7
Memory
Symptom Possible Causes Solution
Memory count during powerup
self-test is incorrect.
Optional DIMM is installed
incorrectly or is incompatible
with the Panel C industrial
computer CPU.
Make sure that the appropriate
memory is installed correctly.
Out of Memory message is
displayed or insufficient
memory error occurs during
operation.
System ran out of memory for
the application.
Check the memory
requirements for the
application. (Refer to the
application documentation.)
Install additional memory.
Too many terminate and stay
resident (TSR) programs
running.
Modify the startup folder to use
only those TSR applications
that are really needed.
External PS/2 Mouse
Symptom Possible Causes Solution
Cursor does not respond to
mouse movement
Mouse not plugged in. Power down computer. Plug
mouse into mouse port on
computer and reboot.
The type of mouse is not
supported.
Use a PS/2 mouse.
System is busy.
Press
CTRL-ALT-DELETE to
view task list.
Mouse not detected.
Restart computer with external
mouse connected.
Keyboard
Symptom Possible Causes Solution
External keyboard locks up The type of keyboard is not
supported.
Use PS/2 compatible keyboard
Keyboard not plugged into
keyboard port on the computer.
Plug keyboard in. (Power down
computer first.)
System is busy.
Press
CTRL-ALT-DELETE to
view task list.