Using Support Tools
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.
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.
No timer tick interrupt — A chip on the system board might be malfunctioning or there might be a system board failure. See the Service Manual at support.dell.com/manuals or contact Dell for assistance (see “Contacting Dell” on page 56).
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