Dell Vostro A840 (Mid 2008) - Manual (Page 47)

Troubleshooting
47
• Reseat the memory modules (see your
Service Manual
at support.dell.com) to
ensure that your computer is successfully
communicating with the memory.
• Run the Dell Diagnostics (see "Dell
Diagnostics" on page 42).
I F YOU EXPERIENCE OTHER MEMORY
PROBLEMS —
• Reseat the memory modules (see your
Service Manual
at support.dell.com) to
ensure that your computer is successfully
communicating with the memory.
• Ensure that you are following the memory
installation guidelines (see your Service
Manual
at support.dell.com).
• Ensure that the memory you are using is
supported by your computer. For more
information about the type of memory
supported by your computer, see "Memory"
on page 22.
• Run the Dell Diagnostics (see "Dell
Diagnostics" on page 42).
Lockups and Software Problems
CAUTION: Before working inside your
computer, read the safety information that
shipped with your computer. For additional
safety best practices information, see the
Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
The computer does not start up
E NSURE 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.
T URN THE COMPUTER OFF — If you are
unable to get a response by pressing a key on your
keyboard or moving your mouse, press the power
button for at least 8 to 10 seconds (until the
computer turns off), and then restart your computer.
book.book Page 47 Thursday, September 25, 2008 2:38 PM