Error messages DescriptionSHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run theSystem Set tests in Dell Diagnostics. If the message reappears,Contact Dell.TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect yourcomputer to an electrical outlet to charge the battery. If theproblem persists, try to restore the data by entering the SystemSetup program, then immediately exit the program. If the messagereappears, Contact Dell.TIME-OF-DAY CLOCK STOPPED The reserve battery that supports the system configurationsettings may require recharging. Connect your computer to anelectrical outlet to charge the battery. If the problem persists,Contact Dell.TIME-OF-DAY NOT SET-PLEASE RUN THE SYSTEM SETUPPROGRAMThe time or date stored in the system setup program does notmatch the system clock. Correct the settings for the Date andTime options.TIMER CHIP COUNTER 2 FAILED A chip on the system board may be malfunctioning. Run theSystem Set tests in Dell Diagnostics.UNEXPECTED INTERRUPT IN PROTECTED MODE The keyboard controller may be malfunctioning, or a memorymodule may be loose. Run the System Memory tests and theKeyboard Controller test in Dell Diagnostics or Contact Dell.X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY Insert a disk into the drive and try again.System error messagesTable 8. System error messagesSystem message DescriptionAlert! Previous attempts at booting this systemhave failed at checkpoint [nnnn]. For help inresolving this problem, please note thischeckpoint and contact Dell Technical SupportThe computer failed to complete the boot routine threeconsecutive 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 the cable does not solvethe problem, replace the keyboard.No boot device available No bootable partition on hard disk drive, the hard disk drive cable isloose, or no bootable device exists.• If the hard drive is your boot device, ensure that the cables areconnected and that the drive is installed properly andpartitioned as a boot device.• Enter system setup and ensure that the boot sequenceinformation is correct.No timer tick interrupt A chip on the system board might be malfunctioning ormotherboard failure.42 Troubleshooting your computer