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 69).
Keyboard failure — Keyboard failure or loose cable.
To replace the keyboard, see the Service Manual at support.dell.com/manuals.
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.
Using Support Tools
•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 disk drive failure. Contact Dell (see “Contacting Dell” on page 69).
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