Dell MT480 Personal Computer User Manual


 
28 Troubleshooting
Code
(repetitive
short beeps)
Description Suggested Remedy
1 BIOS checksum
failure. Possible
system board failure.
Contact Dell. For more information, see
"Contacting Dell" on page 57.
2 No memory modules
are detected
1
If you have two or more memory modules
installed, remove the modules, reinstall one
module (see the
Service Manual
on the Dell
Support website 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.
2
If available, install good memory of the same
type into your computer (see the
Service
Manual
on the Dell Support website at
support.dell.com
).
3
If the problem persists, contact Dell.
3 Possible system
board failure
Contact Dell. For more information, see
"Contacting Dell" on page 57.
4 RAM Read/Write
failure
1
Ensure that no special memory
module/memory connector placement
requirements exist (see the
Service Manual
on
the Dell Support website at
support.dell.com
).
2
Verify that the memory modules that you are
installing are compatible with your computer
(see the
Service Manual
on the Dell Support
website at
support.dell.com
).
3
If the problem persists, contact Dell
(see
"Contacting Dell
" on page 57
).
5 Real time clock
failure. Possible
battery failure or
system board failure.
1
Replace the battery (see the
Service Manual
on
the Dell Support website at
support.dell.com
).
2
If the problem persists, contact Dell
(see
"Contacting Dell
" on page 57
)
.
book.book Page 28 Wednesday, July 2, 2008 1:51 PM