Memory, External ps/2 mouse, Keyboard – GE Panel C GFK-2251 User Manual

Page 52

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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

C

TRL

-A

LT

-D

ELETE

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

C

TRL

-A

LT

-D

ELETE

to

view task list.

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