Dell Inspiron 519 Quick Reference Manual

Also see for Inspiron 518: User guide Service manual Service manual Guía de referencia rápida

Troubleshooting 37Lockups and Software ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions that shipped with your computer.The computer does not start upThe computer stops respondingNOTICE: You might lose data if you are unable to perform an operating systemshutdown.IF Y O U E X P E R I E N C E O T H E R M E M O R Y P R O B L E M S —• Reseat the memory modules (see the Service Manual on the Dell Supportwebsite at support.dell.com) to ensure that your computer is successfullycommunicating with the memory.• Ensure that you are following the memory installation guidelines (see the ServiceManual on the Dell Support website at support.dell.com).• Your computer supports DDR2 memory. For more information about the type ofmemory supported by your computer, see "Specifications" on page 17.• Run the Dell Diagnostics (see "Dell Diagnostics" on page 31).Ensure that the power cable is firmly connected to the computer and to theelectrical outlet.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 keyon your keyboard or moving your mouse, press and hold the power button for atleast 8 to 10 seconds until the computer turns off. Then restart your computer.