Hot-Plug Keyboard Troubleshooting - HP Integrated Lights-Out User Manual

Only hot-plug a local keyboard after the operating system has booted.
Do not hot-unplug the local keyboard before the operating system has booted. Hot-plugging or hot-
unplugging of the local keyboard before the operating system boots can lead to unpredictable
results.
WARNING:
firmware, or otherwise make iLO unavailable while powering on the server or booting the
operating system without a local keyboard connected. Perform these actions before powering
on the server or after the operating system has booted. If performing these actions before
powering on the server, wait 30 seconds until applying power.
Failure to follow the preceding guidelines can result in loss of local and Remote Console keyboard
functionality.

Hot-plug keyboard troubleshooting

If the hot-plug keyboard is unavailable or locks up, review the following to correct the problem. For best
results, follow the guidelines in "Hot-plug keyboard recommended usage (on page 34)."
If a Remote Console session is active on the server, the local keyboard will not be functional after
hot-plugging it. This configuration is by design, for security purposes.
If iLO is unavailable from power-on through operating system boot and a local keyboard is not
present, Remote Console keyboard functionality might not function when iLO becomes available
again, depending on the operating system. iLO can become unavailable for various reasons,
including firmware upgrade, network settings change, or reassignment of ports. It might be
necessary to power cycle the system to regain Remote Console keyboard functionality.
If iLO is unavailable from power-on through operating system boot and a local keyboard is hot-
plugged after operating system boot, the Remote Console and local keyboard might not function
when iLO becomes available again, depending on the operating system. iLO can become
unavailable for various reasons, including a firmware upgrade, network settings change, or
reassignment of ports. It might be necessary to power cycle the system to regain Remote Console
and local keyboard functionality.
If iLO should become so busy that it is unable to respond in a timely fashion to keyboard commands
sent by operating system while the operating system is loading and a local keyboard is not present,
the operating system will assume that no keyboard is connected. This situation is unlikely but can
theoretically occur any time iLO becomes extremely busy. An example of this condition is when iLO
experiences a Denial of Service attack over its NIC. In this case, if a keyboard is hot-plugged after
the operating system is loaded, local and Remote Console keyboard functionality might not function,
depending on the operating system. It might be necessary to power cycle the system to
regain Remote Console keyboard functionality.
If a local keyboard is hot-unplugged after the operating system boots with caps-lock, num-lock, or
scroll lock on and then is hot-plugged, the LED indicators on the local keyboard will not reflect the
current state of the keyboard. Press the lock key for the desired function until the correct LED
indicator state is reached.
If the local keyboard locks up when hot-plugged, unplug the keyboard and plug it in again.
Do not change iLO network settings or port assignments, reset iLO, upgrade iLO
Configuring iLO 35