Troubleshooting Tips D-5
Table D-3
Keyboard Troubleshooting
continued
Symptom Probable Cause Recommended Solution
Keyboards are not working on all
computers
Keyboard signal did work on all
computers but then stopped
Tighten loose keyboard cable
connections between the
computers and the switch.
Check maximum length of console
cable extensions.
Replace the console keyboard.
Press the Reset button on the
back panel of the switch.
Keyboard signal never did work Check the keyboard console
cable.
Check maximum length of console
cable extensions.
Replace the console keyboard.
Press the Reset button on the
back panel of the switch.
Tighten loose computer keyboard
cable connections.
Check computer to switch cables
for maximum length.
Keyboard strokes shifted (swaps
upper case for lower case)
Computer left keyboard in shifted
state when last connected
Press both Shift keys.
Keystrokes are not functioning
properly
Keyboard in locked mode On the console keyboard press
the following keys:
On the left side of the keyboard
Press Caps Lock.
Press Shift.
Press Control.
Press Alt.
On the right side of the keyboard
Press Alt.
Press Control.
Press Shift.