Dell Latitude ATG E6400 Setup And Quick Reference Manual page 32

If your computer beeps during start-up:
1 Write down the beep code.
2 Run the Dell™ Diagnostics to identify a more serious cause (see "Dell
Diagnostics" on page 40).
Code Description
(repetitive
short beeps)
1 BIOS checksum
failure. Possible
system board failure.
2 No memory modules
detected
3 Possible system
board failure
4 RAM Read/Write
failure
32
Troubleshooting
Suggested Remedy
Contact Dell.
If you have two or more memory modules
1
installed, remove the modules, reinstall one
module (see your Service Manual at
support.dell.com), and then restart the
computer. If the computer starts normally,
reinstall an additional module. Continue until
you have identified a faulty module or
reinstalled all modules without error.
If available, install good memory of the same
2
type into your computer see your Service
Manual at support.dell.com).
If the problem persists, contact Dell.
3
Contact Dell.
Ensure that no special memory
1
module/memory connector placement
requirements exist (see your Service Manual at
support.dell.com).
Verify that the memory modules that you are
2
installing are compatible with your computer
(see your Service Manual at
support.dell.com).
If the problem persists, contact Dell.
3