20Diagnostic Error MessagesIf the computer has an issue or error, it may display a System Message that will help the user identify the cause andaction needed to resolve the issue. If the message received is not listed in the following examples, see thedocumentation for either the operating system or the program that was running when the message appeared.Diagnostic Error Messages DescriptionAlert! Previous attempts at booting this system have failedat checkpoint [nnnn]. For help in resolving this problem,please note this checkpoint and contact Dell TechnicalSupport.The computer failed to complete the boot routine threeconsecutive times for the same error.System fan failure Possible fan failureCPU fan failure CPU fan has failedHard-disk drive failure Possible hard disk drive failure during POST.Hard-disk drive read failure Possible hard disk drive failure during HDD boot test.Keyboard failure Keyboard failure or loose cable. If reseating the cabledoes not solve the problem, replace the keyboard.RTC is reset, BIOS Setup default has been loaded. Strikethe F1 key to continue, F2 to run the setup utility.RTC Jumper may be wrongly set.No boot device available No bootable partition on hard disk drive, the hard diskdrive cable is loose, or no bootable device exists.• 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 be malfunctioning ormotherboard failureUSB over current error Disconnect the USB device. The USB device needs morepower for it to function properly. Use an external powersource to connect the USB device, or if the device hastwo USB cables, connect both of them.CAUTION - Hard Drive SELF MONITORING SYSTEM hasreported that a parameter has exceeded its normaloperating range. Dell recommends that you back up yourdata regularly. A parameter out of range may or may notindicate a potential hard drive problem.S.M.A.R.T error, possible hard disk drive failure.55