Dell OptiPlex 3080 Tower Service Manual page 77

Table 8. Diagnostic error messages (continued)
Error messages
X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT
READY
System error messages
Table 9. System error messages
System message
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
CMOS checksum error
CPU fan failure
System fan failure
Hard-disk drive failure
Keyboard failure
No boot device available
No timer tick interrupt
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
WiFi power cycle
About this task
If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be
performed. The following procedure provides the instructions on how to conduct a WiFi power cycle:
NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.
Steps
1. Turn off your computer.
2. Turn off the modem.
3. Turn off the wireless router.
4. Wait for 30 seconds.
Description
Insert a disk into the drive and try again.
Description
The computer failed to complete the boot routine three
consecutive times for the same error.
RTC is reset, BIOS Setup default has been loaded.
CPU fan has failed.
System fan has failed.
Possible hard disk drive failure during POST.
Keyboard failure or loose cable. If reseating the cable does not
solve the problem, replace the keyboard.
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.
A chip on the system board might be malfunctioning or
motherboard failure.
S.M.A.R.T error, possible hard disk drive failure.
Troubleshooting 77