External keyboard problems
NOTE:
When you attach an external keyboard, the integrated keyboard remains fully
functional.
C
H EC K T HE K E YBO A R D C A BLE
— Shut down the computer. Disconnect the keyboard cable and check it for
damage, and firmly reconnect the
cable.
If
you are using a keyboard extension cable, disconnect
it
and connect
the
keyboard directly
to the
computer.
C
H EC K T HE E X TER N AL K E YBO A R D
—
1 Shut down
the
computer, wait 1 minute, and
turn it
on
again.
2 Verify
that the
numbers, capitals, and scroll lock
lights on
the
keyboard
blink
during
the
boot
routine.
3 From
the
W
i
ndows
desktop, click
Start
→
All Programs
→
Accessories
→
Notepad
.
4 Type some characters on
the
external keyboard and verify
that
they appear on
the display.
If
you cannot verify these steps, you may have a defective external
k
e
yboar
d
.
T
O V E RIF Y
T H A T
THE P R OBL E M
IS W I T H
THE E X TE R NAL K E Y B O A R D
,
C H E C K T H E I N T E G R A T E D K E Y B O A R D
—
1 Shut down
the computer.
2 Disconnect the external
k
e
yboar
d
.
3
Turn
on
the computer.
4 From
the
W
i
ndows
desktop, click
Start
→
All Programs
→
Accessories
→
Notepad
.
5 Type some characters on
the
internal keyboard and verify
that
they appear on
the display.
If
the characters appear now
but did not with
the external keyboard, you may have a defective
e
x
tern
al
keyboard. Contact
Dell
(see
"Contacting
Dell"
on page
143).
R
U N
TH E K EY B O A R D D I A G N O STICS T E S T S
— Run the PC-AT Compatible Keyboards tests in the Dell
Diagnostics
(see "Dell Diagnostics" on page 73). If the tests indicate a defective external keyboard, contact Dell (see
"Contacting
Dell" on page 143
).
Unexpected
characters
D
I S A B L E T H E N U M E RI C KE Y P A D
— Press
<Num
Lk> to disable the numeric keypad if numbers are displayed
instead of letters.
Verify
that the numbers lock light is not
lit.
Lockups and Software Problems
CAUTION:
Before you begin any of the procedures
in
this section,
follow
the safety instructions
in
the
Product
Information
Guide
.
84
T
r
oubleshooti
ng
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