12-8 Troubleshooting
Writer: Karen Williams Saved by: Rebecca Wiggins Saved date: 01/26/98 11:52 AM
Part Number: 203118-001 File name: Ch12.doc
Solving External Keyboard Problems
If the external keyboard is connected to a USB connector, refer
also the “Solving USB Problems” table in this chapter.
Solving External Keyboard Problems
Problem Possible Cause Solution(s)
External keyboard
does not work.
External keyboard is
not securely
connected.
Make sure the external
keyboard is securely
connected.
External keyboard
connected to USB
connector does
not work.
Computer is not
USB-equipped.
Connect the keyboard to
one of the two
keyboard/mouse
connectors.
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.
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.
External keyboard
connected to USB
connector does not
work during
startup (before
Windows 95 loads).
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.
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
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