Using Support Tools
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 57).
CMOS checksum error — Possible system board failure or
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.
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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.