Dell Inspiron N4020, Setup Manual

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Using Support Tools
CMOS checksum error — Possible system
board failure or RTC battery low. Replace the
battery (see the Service Manual at
support.dell.com/manuals) or contact Dell (see
“Contacting Dell” on page 72).
CPU fan failure
— CPU fan has failed. Replace
the CPU fan (see the Service Manual at
support.dell.com/manuals)
.
Hard-disk drive failure
— Possible hard
drive failure during POST. Contact Dell (see
“Contacting Dell” on page 72).
Hard-disk drive read failure — Possible hard
drive failure during HDD boot test. Contact Dell
(see “Contacting Dell” on page 72).
No boot device available — No bootable
partition on hard drive, the hard drive cable is
loose, or no bootable device exists.
If the hard drive is your boot device, ensure •
that the cables are connected and that the
drive is installed properly and partitioned as
a boot device.
Enter system setup and ensure that the boot •
sequence information is correct (see the Dell
Technology Guide on your hard drive or at
support.dell.com/manuals ).
CAUTION - Hard Drive SELF MONITORING
SYSTEM has reported that a parameter has
exceeded its normal operating range. Dell
recommends that you back up your data
regularly. A parameter out of range may
or may not indicate a potential hard drive
problem
— S.M.A.R.T error, possible hard drive
failure. Contact Dell (see “Contacting Dell”
on page 72).