HP BladeSystem c-Class Enclosure Troubleshooting Guide

Enclosure troubleshooting 57
Symptom Initial step Required steps
When typing in Linux GUI
windows (X11), multiple
characters appear.
— Begin with step 2 of "Procedures:
KVM Linux troubleshooting (on page
60)."
The mouse cursor does not
appear on the Linux GUI.
— Begin with step 1 of "Procedures:
KVM mouse problems (on page 61)."
Procedures: External KVM switch troubleshooting
CAUTION: Some troubleshooting procedures require powering down an entire enclosure. To
avoid possible data loss, always secure permission before powering down an enclosure.
CAUTION: To avoid data loss, do not remove an Onboard Administrator when the Insight
Display shows a firmware update in progress. During this activity, the Insight Display displays the
Firmware Update screen with the Lock icon and the firmware update progress bar.
Step External KVM switch troubleshooting action and verification
Step 1
Action
Press the KVM keyboard Print Screen key and use the external KVM Switch Port Selection
menu to select a working port.
Verification
If the KVM monitor powers on and you can manipulate the port with the keyboard and
mouse, then continue to step 5.
If the KVM monitor remains blank, then continue to the next step to attempt to view the
external KVM Switch Port Selection menu.
Step 2
Action
Press the KVM keyboard up arrow key, and then press the Enter key.
Verification
If the KVM monitor powers on and you can manipulate the port with the keyboard and
mouse, then continue to step 5.
If the KVM monitor remains blank, then continue to the next step.
Step 3
Action
Press the KVM keyboard down arrow key twice, and then press the Enter key.
Verification
If the KVM monitor powers on and you can manipulate the port with the keyboard and
mouse, then continue to step 5.
If the KVM monitor remains blank, then continue to the next step.
Step 4
Action
Cycle the power to the external KVM switch.
Verification
If the KVM monitor displays the external KVM Switch Port Selection menu, then continue to
the next step.
If the KVM monitor remains blank, then continue to step 1 of "Procedures: External KVM
monitor troubleshooting (on page 58)."