Error messages DescriptionMemory tests and the Keyboard Controller test inDell Diagnostics or Contact Dell.X:\ IS NOT ACCESSIBLE. THE DEVICE ISNOT READYInsert a disk into the drive and try again.System error messagesTable 3. System error messagesSystem message DescriptionAlert! Previous attempts at bootingthis system have failed at checkpoint[nnnn]. For help in resolving thisproblem, please note this checkpointand contact Dell Technical SupportThe computer failed to complete the boot routinethree consecutive times for the same error.CMOS checksum error RTC is reset, BIOS Setup default has been loaded.CPU fan failure CPU fan has failed.System fan failure System fan has failed.Hard-disk drive failure Possible hard disk drive failure during POST.Keyboard failure Keyboard failure or loose cable. If reseating thecable does not solve the problem, replace thekeyboard.No boot device available No bootable partition on hard disk drive, the harddisk drive cable is loose, or no bootable deviceexists.• If the hard drive is your boot device, ensure thatthe cables are connected and that the drive isinstalled properly and partitioned as a bootdevice.• Enter system setup and ensure that the bootsequence information is correct.No timer tick interrupt A chip on the system board might bemalfunctioning or motherboard failure.NOTICE - Hard Drive SELF MONITORINGSYSTEM has reported that a parameterhas exceeded its normal operatingrange. Dell recommends that you back upyour data regularly. A parameter out ofrange may or may not indicate apotential hard drive problemS.M.A.R.T error, possible hard disk drive failure.26