90 Solving Problems
CHECK THE EXTERNAL KEYBOARD —
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 Windows desktop, click the
Start
button, point to
Programs
→
Accessories
, and then click
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
keyboard.
TO VERIFY THAT THE PROBLEM IS WITH THE EXTERNAL KEYBOARD, CHECK THE
INTEGRATED KEYBOARD —
1
Shut down the computer.
2
Disconnect the external keyboard.
3
Turn on the computer.
4
From the Windows desktop, click the
Start
button, point to
Programs
→
Accessories
, and click
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 external keyboard. Contact Dell.
See "Contacting
Dell
" on page 139
.
RUN THE KEYBOARD DIAGNOSTICS TESTS —
Run the PC-AT Compatible
Keyboards tests in the Dell Diagnostics
(see "Dell Diagnostics
" on page 77
)
. If
the tests indicate a defective external keyboard, contact Dell.
See "Contacting
Dell
" on page 139
.
Unexpected characters
DISABLE THE NUMERIC KEYPAD —
Press <Num Lk> to disable the numeric
keypad if numbers are displayed instead of letters. Verify that the numbers lock
light is not lit.
book.book Page 90 Tuesday, July 3, 2007 12:31 PM