Troubleshooting 37
Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions that shipped with your computer.
The computer does not start up
The computer stops responding
NOTICE: You might lose data if you are unable to perform an operating system
shutdown.
IF YOU EXPERIENCE OTHER MEMORY PROBLEMS —
• Reseat the memory modules (s
ee the Service Manual on the Dell Support
website at support.dell.com
) to ensure that your computer is successfully
communicating with the memory.
• Ensure that you are following the memory installation guidelines (s
ee the Service
Manual on the Dell Support website at support.dell.com
).
• Your computer supports DDR2 memory. For more information about the type of
memory supported by your computer, see "Specifications" on page17.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 31).
Ensure that the power cable is firmly connected to the computer and to the
electrical outlet.
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.
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