Broadcom Corporation BRCM1020 Manuel D’Utilisation
116
Troubleshooting
C
HECK
THE
EXTERNAL
KEYBOARD
—
1 Shut down the computer, wait 1 minute, and then turn it on again.
2 Verify that the numbers, capitals, and scroll lock lights on the keyboard
2 Verify that the numbers, capitals, and scroll lock lights on the keyboard
blink during the boot routine.
3 From the Windows 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
keyboard.
keyboard.
T
O
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 Start
2 Disconnect the external keyboard.
3 Turn on the computer.
4 From the Windows 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 external keyboard. Contact Dell (see "Contacting
Dell" on page 163).
may have a defective external keyboard. Contact Dell (see "Contacting
Dell" on page 163).
R
UN
THE
KEYBOARD
DIAGNOSTICS
TESTS
—
Run the PC-AT Compatible
Keyboards tests in the Dell Diagnostics (see "Dell Diagnostics" on page 101).
If the tests indicate a defective external keyboard, contact Dell (see
"Contacting Dell" on page 163).
If the tests indicate a defective external keyboard, contact Dell (see
"Contacting Dell" on page 163).
Unexpected characters
D
ISABLE
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.
lock light is not lit.