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Alert! Previous attempts at booting this system
have failed at checkpoint [nnnn]. For help
in resolving this problem, please note this
checkpoint and contact Dell Technical
Support — The computer failed to complete
the boot routine three consecutive times for
the same error. Contact Dell for assistance (see
“Contacting Dell” on page 55).
CMOS checksum error — Possible system
board failure or coin‑cell battery low.
Battery needs replacement. See the Service
Manual at support.dell.com/manuals or contact
Dell for assistance (see “Contacting Dell” on
page 55).
CPU fan failure — CPU fan has failed. CPU
fan needs replacement. See the Service Manual
at support.dell.com/manuals.
System fan failure — System fan has failed.
System fan needs replacement. See the Service
Manual at support.dell.com/manuals.
Hard-disk drive failure — Possible hard‑disk
drive failure during HDD POST. Contact Dell for
assistance (see “Contacting Dell” on page 55).
Hard-disk drive read failure — Possible
hard‑disk drive failure during HDD boot test.
Contact Dell for assistance (see “Contacting
Dell” on page 55).
Keyboard failure — Replace keyboard or check
the cable for loose connection.
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
Service Manual
at
support.dell.com/manuals.