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Lockups and software problems, The computer does not start up, The computer stops responding – Dell Dimension E521 User Manual

Page 38: A program stops responding, Cept the ultra small, Form-factor computer, ensur

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38

Solving Problems

Lockups and Software Problems

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions in the Product

Information Guide.

The computer does not start up

The computer stops responding

NOTICE:

You might lose data if you are unable to perform an operating system shutdown.

A program stops responding

T

EST

THE

KEYBOARD

Connect a properly working keyboard to the computer, and try using the keyboard.

E

NSURE

THAT

THE

U S B

PORTS

ARE

ENABLED

IN

THE

SYSTEM

SETUP

PROGRAM

See "System

Setup" on page 111)

R

UN

THE

H

ARDWARE

T

ROUBLESHOOTER

See "Resolving Software and Hardware Incompatibilities"

on page 55.

C

HECK

THE

D

IAGNOSTIC

L

IGHTS

See "Diagnostic Lights" on page 49.

E

NSURE

THAT

THE

POWER

CABLE

IS

FIRMLY

CONNECTED

TO

THE

COMPUTER

AND

TO

THE

ELECTRICAL

OUTLET

T

URN

THE

COMPUTER

OFF

If you are unable to get a response by pressing a key on your keyboard or

moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer
turns off. Then restart your computer.

E

ND

THE

PROGRAM

1

Press simultaneously.

2

Click Applications.

3

Click the program that is no longer responding.

4

Click End Task.

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