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Writer: Kristi Wishon Project: Troubleshooting Tips Comments:
File Name:J-apc.doc Last Saved On:9/6/96 3:19 PM
Table C-1
continued
Symptom Probable Cause Recommended
Solution
Keyboard error
on boot, all
computers
Loose keyboard
connection
Incompatible or defective
keyboard
Check that all cables are
well seated.
Replace keyboard.
Keyboard
strokes shifted
(swaps upper
case for lower
case)
Computer left keyboard
shifter state when last
connected
Press both SHIFT keys
Mouse error on
boot, one
computer
Loose mouse connection
Defective mouse cable
Using serial port on
computer
Check that all cables are
well seated. Ensure that
mouse/keyboard cables
are not swapped.
Replace mouse cable.
Install PS/2-to-serial
protocol converter.
Mouse error on
boot, all
computers
Loose mouse connection
Using serial port on
computer
Incompatible or defective
mouse
Check that all cables are
well seated. Ensure that
mouse/keyboard cables
are not swapped.
Install PS/2-to-serial
protocol converter.
Replace mouse with
PS/2 or mouse-port
compatible mouse.
Mouse displays
ballistic
behavior
Computer left mouse in
indeterminate state
Reset mouse through
CCR or reset switch.
Mouse pointer
frozen on
display
Mouse not initialized Reset mouse through
CCR or reset switch.
Unit switches
from one
system to the
next at will
Scan mode initiated Halt scanning by
pressing any key or
moving mouse.