Dell D420 manual Troubleshooting, Lockups and Software Problems, The computer does not start up

TU R N T H E C O M P U T E R O F F

Troubleshooting

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

E N S U R E T H A T T H E A C A D A P T E R I S F I R M L Y C O N N E C T E D T O T H E C O M P U T E R A N D T O T H E E L E C T R I C A L O U T L E T .

The computer stops responding

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

— 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.

A program stops responding or crashes repeatedly

NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or CD.

E N D T H E P R O G R A M —

1Press <Ctrl><Shift><Esc> simultaneously.

2Click Task Manager.

3Click the program that is no longer responding.

4Click End Task.

C H E C K T H E S O F T W A R E D O C U M E N T A T I O N — If necessary, uninstall and then reinstall the program.

A program is designed for an earlier Microsoft® Windows® operating system

R U N T H E P R O G R A M C O M P A T I B I L I T Y W I Z A R D — The Program Compatibility Wizard configures a program so that it runs in an environment similar to non-Windows XP operating system environments.

1Click Start→ All Programs→ Accessories→ Program Compatibility Wizard→ Next.

2Follow the instructions on the screen.

A solid blue screen appears

TU R N T H E C O M P U T E R O F F — 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.

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