Dell Latitude D630 User's Guide - Page 117

Unexpected characters DI SAB L E T H E N U M E R I C K E YP A D - Press 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 198) 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 ENSURE THAT THE AC ADAPTER IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET. The computer stops responding NOTICE: You might lose data if you are unable to perform an operating system shutdown. TURN TH E CO MPUTER OF 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. END THE PROGRAM - 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. Troubleshooting 117