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HP NonStop S-Series Hardware Installation and FastPath Guide—541880-001
D-32
System Consoles
Connectivity Problems
Connectivity refers to the connections, or interfaces, between the devices and
components of a system. This subsection contains diagnostic procedures for the
following connectivity problems:
Keyboard Is Inoperative
An inoperative keyboard might be the result of software configuration problems. See
also Table D-6, Monitor Screen Is Frozen, on page D-36.
Topic Page
Keyboard Is Inoperative
D-32
Mouse Is Inoperative D-33
Monitor Screen Is Blank D-34
System Unit Is Inoperative D-35
Table D-2. Keyboard Is Inoperative
Symptom Recovery
Typing on the keyboard
has no effect.
1. Ensure that the keyboard cable is securely attached to its
connector on the system unit.
2. Disconnect the keyboard cable from the system unit. Examine
the cable, connector, and receptacle for damage such as
loose pins, bent pins, connector housing cracks, and frayed or
broken cable wires and insulation.
3. Verify that all the keys on the keyboard operate with no
resistance.
4. Repair or replace any defective items.
5. Reconnect the keyboard cable to the system unit and recheck
keyboard operation.