Dell XPS 420 (Late 2007) - Manual (Page 84)

84
Troubleshooting
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 "Entering
System Setup" on
page 179), 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 (see "Drives" on
page 128) and defined
correctly in the system
setup program (see
"System Setup" on
page 178). 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.
Message Possible Cause Corrective Action
book.book Page 84 Tuesday, November 27, 2007 10:29 AM