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Troubleshooting 29
CMOS Battery
State Low
CMOS Checksum
Failure
CMOS System
Options Not Set
CMOS Display Type
Mismatch
CMOS Memory Size
Mismatch
CMOS Time and
Date Not Set
The system
configuration
information in the
system setup program
is incorrect or the
battery charge may be
low.
Enter the system setup
program (
see the
Service
Manual
on the Dell Support
website at
support.dell.com
), verify
the system configuration,
and then restart the
computer.
Diskette Boot
Failure
Drive A or B is present
but has failed the BIOS
POST.
Ensure that the drive is
installed correctly in the
computer and defined
correctly in the system
setup program (
see the
Service Manual
on the Dell
Support website at
support.dell.com
). Check
the interface cable at both
ends.
DMA Error
DMA 1 Error
DMA 2 Error
Error in the DMA
controller on the
system board.
The keyboard or system
board may need to be
replaced.
HDD Controller
Failure
The BIOS cannot
communicate with the
hard drive controller.
Ensure that the hard drive
is installed correctly in the
computer and defined
correctly in the system
setup program (
see the
Service Manual
on the Dell
Support website at
support.dell.com
). Check
the interface cable at both
ends.
Message Possible Cause Corrective Action
book.book Page 29 Monday, September 22, 2008 1:55 PM