Using Support Tools
running when the message appeared. Alternatively you could see the Dell Technology Guide in your hard disk or on the Dell Support website at support.dell. com or see “Contacting Dell” on page 52 for assistance.
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 see “Contacting Dell” on page 52 for assistance.
CMOS checksum error — Possible motherboard failure or RTC battery low. Replace the battery. See the Service Manual on the Dell Support website at support.dell.com or see “Contacting Dell” on page 52 for assistance.
CPU fan failure — CPU fan has failed. Replace the CPU fan. See the Service Manual on the Dell Support website at support.dell.com.
Keyboard failure — Keyboard failure or loose cable.
No boot device available — No bootable partition on hard disk drive, the hard disk 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 the Dell Support website at support.dell.com).
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