Dell Dimension 5100, Руководство пользователя

Страница: 83 / 164

Solving Problems 83
If only part of the display is readable
Scanner Problems
R
O T AT E T H E C O MP U T E R T O F A C E A D IF F E R EN T D IR E C T IO N
—
Eliminate sunlight glare, which can cause poor picture quality.
A
D JU S T T H E
W
I N D OW S D I S P L A Y S ET T IN G S
—
1
Click the
Start
button and click
Control Panel
.
2
Click Appearance and Themes .
3
Click the area you want to change or click the Display icon.
4
Try different settings for Color quality and Screen resolution .
S
E E
"E
R R O R
M
E S S A G E S
" —
If an error message appears, see page 80.
C
O NN EC T A N EX T E R NA L MO N IT O R
—
1
Turn off your computer and connect an external monitor to the computer.
2
Turn on the computer and the monitor, and adjust the monitor brightness and
contrast controls.
If the external monitor works, the computer display or video controller may be
defective. Contact Dell (see page 126).
C
HE C K T H E P O W E R C A B L E C O N NE C T I ON
— Ensure that the scanner
power cable is firmly connected to a working electrical power source and that the
scanner is turned on.
C
HE C K T H E S C A NN E R C A B L E C O N NE C T IO N
— Ensure that the scanner
cable is firmly connected to the computer and to the scanner.
U
N LO C K THE S C A NN E R
—
Ensure that your scanner is unlocked if it has a
locking tab or button.
R
E I NS T AL L THE S C A NN E R D R IV E R
— See the scanner documentation for
instructions.