HP BladeSystem c3000 HP BladeSystem c-Class Enclosure Troubleshooting Guide - Page 57

Procedures: External KVM switch troubleshooting, Symptom, Initial step, Required steps

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Symptom When typing in Linux GUI windows (X11), multiple characters appear. The mouse cursor does not appear on the Linux GUI. Initial step - - Required steps Begin with step 2 of "Procedures: KVM Linux troubleshooting (on page 60)." 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 Step 1 Step 2 Step 3 External KVM switch troubleshooting action and verification 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. 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. 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)." Enclosure troubleshooting 57

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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
)."