Enclosure troubleshooting 60
If the c3000 enclosure KVM module is connected to an external rack KVM switch, where pressing "Print
Screen" is indicated, then press Print Screen twice to select the Enclosure KVM menu. The first press of
Print Screen opens the rack KVM Switch Port Selection menu.
On some c3000 enclosures, the user can set only one of the following as active:
• The USB connector on the front of the enclosure and the internal DVD-ROM drive.
• The rear USB connectors on the KVM module.
On these enclosures, in order to use the both the KVM and the internal DVD-ROM drive, always connect
the KVM keyboard and mouse to the front USB connector on the OA.
Symptom Initial step Required steps
Pressing the KVM keyboard
Print Screen key does not bring
up the Enclosure KVM Menu.
Be sure that the KVM monitor is
powered up and is connected to the
KVM module VGA connector. Be
sure that the KVM keyboard/mouse
are connected to the KVM module
USB connectors.
Begin with step 1 of "Procedures:
KVM Menu troubleshooting (on page
61)."
The KVM Menu button does not
appear on the navigation bar
at the bottom of the Insight
Display Main Menu.
— Begin with step 1 of "Procedures:
KVM module troubleshooting (on
page 63)."
When typing on Linux virtual
console through KVM, multiple
characters appear.
— Begin with step 1 of "Procedures:
KVM Linux troubleshooting (on page
64)."
When typing in Linux GUI
windows (X11), multiple
characters appear.
— Begin with step 2 of "Procedures:
KVM Linux troubleshooting (on page
64)."
The mouse cursor does not
appear on the Linux GUI.
— Begin with step 1 of "Procedures:
KVM mouse problems (on page 65)."
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.
