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If the display is difficult to read – Dell Inspiron 4150 User Manual

Page 59

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Solving Problems

59

If the display is difficult to read

C

HE C K

T H E

B A T T E R Y

— If you are using a battery to power your computer,

the battery charge may be depleted. Connect the computer to an electrical outlet

using the AC adapter, and turn on the computer.

T

E S T

T HE

EL E CT R I C AL

O U T L E T

— Ensure that the electrical outlet is

working by testing it with another device, such as a lamp.

C

HE C K

T H E

AC

A D A P T E R

— Check the AC adapter cable connections. If

the AC adapter has a light, ensure that it is on.

C

O NN EC T

T H E

C O MP U T E R

D I RE C T L Y

T O

A N

E L E C T R I CA L

O U T L E T

Bypass power protection devices, power strips, and the extension cable to verify

that the computer turns on.

A

D JU S T

T H E

P

O W E R

P

R O P ER T I E S

— Your computer may be in standby or

hibernate mode. For information on power management modes, see the Tell Me

How help file, or search for the keyword standby or hibernate in the Windows XP

Help and Support Center. To access help files, see page 56.

S

W IT C H

T H E

V I D EO

I MA G E

— If your computer is attached to an external

monitor, press

to switch the video image to the display.

A

D JU S T

T H E

B R IG H T NE S S

— See the Tell Me How help file for instructions

on adjusting the brightness. To access the help file, see page 56.

M

O V E

THE

S U BW O OF E R

A W A Y

F R O M

T H E

C O M P UT E R

O R

MO N ITO R

If your external speaker system includes a subwoofer, ensure that the subwoofer is

at least 60 cm (2 ft) away from the computer or external monitor.

E

LI MI NATE

P OS S IB L E

I NT E R FE R E NC E

— Turn off nearby fans, fluorescent

lights, halogen lamps, or other appliances.