Digital Equipment AlphaStation 500 Series User Information page 79

Table 4-1 System Troubleshooting (continued)
Problem
No response to keyboard
commands
No response to mouse
commands
3
Turn the system off before connecting the keyboard.
4
Turn the system off before connecting the mouse.
Possible Cause
Keyboard is password-
protected.
Keyboard is not connected.
Keyboard is connected to
the mouse port.
Mouse is not connected.
Mouse is connected to the
keyboard port.
Mouse driver not installed.
Mouse ball sticking.
AlphaStation 500 Series User Information 4-5
Troubleshooting
Action
Enter the keyboard password,
if supported by your operating
system.
Connect the keyboard to the
3
keyboard port.
Connect the keyboard to the
1
keyboard port.
4
Connect the mouse.
Connect the mouse to the mouse
2
port.
Install the appropriate mouse
driver. Refer to your application
software documentation.
Clean the mouse. Refer to
Appendix B, System Care, for
information on cleaning the
mouse.