Solving External Keyboard Problems - HP Armada 7300 Installation And Operation Manual

Solving External Keyboard Problems

If the external keyboard is connected to a USB connector, refer
also the "Solving USB Problems" table in this chapter.
Problem
External keyboard
does not work.
External keyboard
connected to USB
connector does
not work.
External keyboard
connected to USB
connector does not
work during
startup (before
Windows 95 loads).
12-8 Troubleshooting
Solving External Keyboard Problems
Possible Cause
External keyboard is
not securely
connected.
Computer is not
USB-equipped.
Computer is USB-
equipped, but the
operating system
limits external
devices connected
by USB to two tiers.
These tiers can
include no more
than two hubs on the
first tier and no more
than one keyboard
and one pointing
device on the first or
second tier.
During startup, only
two tiers are
supported by the
USB connectors.
These tiers can
include no more
than two hubs on the
first tier and no more
than one keyboard
and one pointing
device on the first or
second tier.
Solution(s)
Make sure the external
keyboard is securely
connected.
Connect the keyboard to
one of the two
keyboard/mouse
connectors.
Reduce the number of
connected external USB
devices to no more than
two hubs on the first tier,
and no more than one
keyboard and one pointing
device on the first or
second tier.
Connect the keyboard to
one of the two
keyboard/mouse
connectors.
Use the keyboard only after
Windows 95 has loaded.
Reduce the number of
connected external USB
devices to no more than
two hubs on the first tier,
and no more than one
keyboard and one pointing
device on the first or
second tier.
Continued