Dell NY105 manual Lockups and Software Problems, Unexpected characters, Computer does not start up

W I Z A R D

If the characters appear now but did not with the external keyboard, you may have a defective external keyboard. Contact Dell (see "Obtaining Assistance" on page 143).

R U N T H E K E Y B O A R D D I A G N O S T I C S T E S T S — Run the PC-AT Compatible Keyboards tests in the Dell Diagnostics (see "Dell Diagnostics" on page 75). If the tests indicate a defective external keyboard, contact Dell (see "Obtaining Assistance" on page 143).

Unexpected characters

D I S A B L E T H E N U M E R I C K E Y P A D — Press <Num Lk> to disable the numeric keypad if numbers are displayed instead of letters. Verify that the numbers lock light is not lit.

Lockups and Software Problems

Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 147) as you complete these checks.

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 AC 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.

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.

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 — The Program Compatibility Wizard configures a program so it runs in an environment similar to non-Windows operating system environments.

Troubleshooting

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