Keyboard Problem - Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual

4.2.8

Keyboard Problem

There is a problem with
the keyboard.
Connect the keyboard to
each USB port and type.
Is the
keyboard failing in a
consistent manner?
Y
Replace the keyboard.
Is the problem
solved?
Y
Return to "Power-On
Flowchart" on page 4-3.
FIGURE 4-16
N
keyboard functioning
properly at front panel?
N
keyboard functioning
properly at the rear
Return to
Flowchart" on page
Keyboard Problem
In normal operation, the keyboard and mouse function in
the bezel and rear panel USB ports. The keyboard and
mouse do not function in the USB 2.0 ports of the IEEE
1394 USB 2.0 combination card.
Checking a component means checking the electrical con-
nections and fit.
Is the
N
Y
Check the audio/USB
board and replace if nec-
essary. See
the Audio USB Board" on
page
Is the
N
panel?
Y
"Power-On
Check motherboard and
4-3. replace if necessary. See
"Motherboard Problem"
on page
Chapter 4 Troubleshooting Flowcharts
"Replacing
13-30.
4-34.
4-19