Solving Problems 91Lockups and Software ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.The computer does not start upEN 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 OT H E E L E C T R I C A L O U T L E TThe computer stops respondingNOTICE: You might lose data if you are unable to perform an operating systemshutdown.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 akey on your keyboard or moving your mouse, press and hold the power buttonfor at least 8 to 10 seconds until the computer turns off. Then restart yourcomputer.A program stops responding or crashes repeatedlyEN D T H E P R O G R A M —1 Press simultaneously.2 Click the Applications tab and select the program that is no longerresponding.3 Click End Task.NOTE: The chkdsk program may run when you restart the computer. Follow theinstructions on the screen.CH 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 thenreinstall the program. Software usually includes installation instructions in itsdocumentation or on a floppy disk or CD.
