
88
Troubleshooting
Keyboard Problems
Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 141) as you complete these
checks.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product
Information Guide
.
NOTE:
Use the integrated keyboard when running the
Dell Diagnostics
or the
system setup program
. When you
attach an external keyboard, the integrated keyboard remains fully functional.
External Keyboard problems
C
H E C K
T H E
K E YB O A R D
C A B L E
—
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 E C K
T H E
E X T ER N A L
KE Y BOA RD
—
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
, point to
Accessories
, and 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.
T
O
V E RI F Y
T H A T
T H E
P R O B L E M
I S
WIT H
T H E
E X T E RN A L
KE Y BOA RD
,
C H E CK
T H E
I N T E G RA T E D
K E YBO A RD
—
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
, point to
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 "Obtaining Assistance" on page 137).
R
U N
TH E
KE Y BOA RD
D I A G N O S TI CS
T E S T S
—
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 "Obtaining Assistance" on page 137).
Unexpected characters
D
I SA B L E
T H E
N U ME R I C
K E YP 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.
Содержание Latitude D631
Страница 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Latitude D631 User s Guide Model PP18L ...
Страница 26: ...26 About Your Computer ...
Страница 30: ...30 Transferring Information to a New Computer 9 Select Yes The computer reboots and the transfer is complete ...
Страница 38: ...38 Using a Battery ...
Страница 48: ...48 Using the Display ...
Страница 66: ...66 Using Cards ...
Страница 106: ...106 Reinstalling Software ...
Страница 110: ...110 System Setup Program ...
Страница 130: ...130 Adding and Replacing Parts hard drive foam packaging ...
Страница 132: ...132 Adding and Replacing Parts ...
Страница 134: ...134 Dell QuickSet ...
Страница 164: ...164 Getting Help w w w d e l l c o m s u p p o r t d e l l c o m ...