Dell Vostro 1420 Owners Manual - Page 135

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 CHECK THE AC ADAPTER - Ensure that the AC adapter is firmly connected to the computer and to the electrical outlet. The AC adapter shuts down when there is a fault. The green light turns off when this happens. To bring it back on, disconnect the AC adapter from the power source for 10 seconds, and then connect it back on. The computer stops responding NOTICE: You might lose data if you are unable to perform an operating system shutdown. TURN 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, then restart your computer. A program stops responding or crashes repeatedly END THE PROGRAM - 1 Press 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. NOTE: The chkdsk program may run when you restart the computer. Follow the instructions on the screen. 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. Software usually includes installation instructions in its documentation or on a floppy disk or CD. Troubleshooting 135