Dell Latitude 3120, Service Manual

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Table 18. Diagnostic error messages (continued)
Error messages Description
TIME-OF-DAY NOT SET-PLEASE RUN THE SYSTEM
SETUP PROGRAM The time or date stored in the system setup program does
not match the system clock. Correct the settings for the
Date
and Time options.
TIMER CHIP COUNTER 2 FAILED A chip on the system board may be malfunctioning. Run the
System Set tests in Dell Diagnostics .
UNEXPECTED INTERRUPT IN PROTECTED MODE The keyboard controller may be malfunctioning, or a memory
module may be loose. Run the
System Memory tests and the
Keyboard 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 messages
Table 19. System error messages
System message Description
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.
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
solve the problem, replace the keyboard.
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.
No timer tick interrupt A chip on the system board might be malfunctioning or
motherboard failure.
NOTICE - 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.
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Troubleshooting 87