Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 120 / 392

Troubleshooting the Keyboard and Mouse
The flow chart in Figure 4-15 shows how to troubleshoot the
keyboard and mouse.
Start
(Continued)
Do the
keyboard and mouse
work properly?
Yes
Make sure the keyboard and
mouse are connected to the
keyboard-mouse cable and
that the keyboard-mouse
cable is connected to the
back of the system unit.
Turn the system unit power
off and then on again to run
the power-up self-test.
an error message?
3/misc/mouse appear in
Does 3/misc/kbd or
Does 3/misc/kbd or
3/misc/mouse appear in
an error message?
Yes
No
No
No
Yes
WS33M106
End
End
Figure 4-15. Troubleshooting the keyboard and mouse
4–42 Identifying Failed FRUs