Dell OptiPlex 5050 Tower Tower Owners Manual - Page 76

System error messages, Power Supply Unit PSU Built-in Self Test BIST, Troubleshooting with BIST

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System error messages Table 27. 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 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 A chip on the system board might be malfunctioning or motherboard failure. S.M.A.R.T error, possible hard disk drive failure. Power Supply Unit PSU Built-in Self Test BIST This system supports a new Power Supply Unit (PSU) Built-in Self Test (BIST). BIST can now be performed by simply connecting the AC power cord to the PSU. Troubleshooting with BIST 1. Turn off the system. 2. Disconnect the power cord from the PSU, and wait for 15 seconds. 3. After 15 seconds, connect the power cord back to the PSU. ● If the LED stays on for 3 seconds and turns off, it indicates that the PSU is functional. Continue with troubleshooting steps for other devices. ● If the LED does not turns on, it indicates a hardware failure. The failed component can be PSU, system board, or any other device. 76 Troubleshooting your computer

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System error messages
Table 27. 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.
Power Supply Unit PSU Built-in Self Test BIST
This system supports a new Power Supply Unit (PSU) Built-in Self Test (BIST). BIST can now be performed by simply
connecting the AC power cord to the PSU.
Troubleshooting with BIST
1.
Turn off the system.
2.
Disconnect the power cord from the PSU, and wait for 15 seconds.
3.
After 15 seconds, connect the power cord back to the PSU.
●
If the LED stays on for 3 seconds and turns off, it indicates that the PSU is functional. Continue with troubleshooting
steps for other devices.
●
If the LED does not turns on, it indicates a hardware failure. The failed component can be PSU, system board, or any
other device.
76
Troubleshooting your computer