Dell XPS 420 Owner's Manual - Page 66
Lockups and Software Problems - starts and stops
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book.book Page 66 Tuesday, November 27, 2007 10:29 AM TE S T T H E K E Y B O A R D - Connect a properly working keyboard to the computer, then try using the keyboard. WO R K I N G W I T H A N U S B K E Y B O A R D - During the first system boot, the operating system takes time to configure the USB keyboard. Reboot the system to configure the keyboard faster. U S B K E Y B O A R D O R M O U S E F A I L U R E - Connect the device to a different USB port and check if it starts working. R U N T H E H A R D W A R E TR O U B L E S H O O T E R - See "Troubleshooting Software and Hardware Problems in the Microsoft Windows Vista™ Operating System" on page 93. 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 C H E C K T H E D I A G N O S T I C L I G H T S - See "Diagnostic Lights" on page 76. ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET The computer stops responding NOTICE: You may 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), and then restart your computer. A program stops responding 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. 66 Troubleshooting