Dell Latitude E6400 - Manual (Page 44)

44 Troubleshooting
• 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 40).
I F YOU E XP E R I E N CE O T H E R M EM O RY P RO B L E M S —
• 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 40).
Lockups and Software Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety information that shipped with your computer.
The computer does not start up
E
N S U R E T H A T T H E P O WE R CA BLE I S F I R M L Y CO N N E C T E D T O T H E C O M PU T E R A N D T O
T H E E L E CT R I C A L O U T L E T
The computer stops responding
NOTICE: You may lose data if you are unable to perform an operating system
shutdown.
T U RN T H E CO 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.