Dell Latitude D420 - Manual (Page 18)

18 Quick Reference Guide
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.
T U 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.
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 —
1 Press simultaneously.
2 Click Task Manager.
3 Click the program that is no longer responding.
4 Click 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.
1 Click Start
→ All Programs→ Accessories→ Program Compatibility Wizard→ Next.
2 Follow the instructions on the screen.
A solid blue screen appears
T U 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.