Dell Precision T5400 (Late 2007): Lockups and Software Problems The computer does not start up The computer stops responding A program stops responding A program crashes repeatedly

Lockups and Software Problems The computer does not start up The computer stops responding A program stops responding A program crashes repeatedly: Dell Precision T5400 (Late 2007)

Table of contents

TEST THE KEYBOARD Connect a properly working keyboard to the computer, then

try using the keyboard.

R

UN THE HARDWARE TROUBLESHOOTER See "Restoring Your Operating System"

in your User’s Guide.

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

CHECK THE DIAGNOSTIC LIGHTS See "Power Lights" on page 27.

E

NSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO

THE ELECTRICAL OUTLET

The computer stops responding

NOTICE: You may lose data if you are unable to perform an operating system shutdown.

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), and then restart your computer.

A program stops responding

END THE PROGRAM

1

Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager.

2

Click the

Applications

tab.

3

Click to select the program that is no longer responding.

4

Click

End Task

.

A program crashes repeatedly

NOTE: Most software includes installation instructions in its documentation or on

a floppy disk, CD, or DVD.

C

HECK THE SOFTWARE DOCUMENTATION If necessary, uninstall and then reinstall

the program.

Quick Reference Guide 45