Dell OptiPlex 160 (Late 2008) - Manual (Page 45)

System Messages
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 (see Contacting Dell for
assistance).
CMOS checksum error — Possible motherboard failure or RTC battery low. Replace the battery (see Coin-Cell Battery or see Contacting Dell for assistance).
CPU fan failure — Replace the CPU fan (see Removing the Hard Drive Fan ).
Diskette Drive 0 seek failure — A cable may be loose, or the computer configuration information may not match the hardware configuration. Check HDD cable
connections, if installed ( Removing the Hard Drive Bracket Assembly ) and reseat the NVRAM module, if installed (see Removing the NVRAM Module ).
Diskette read failure — The floppy disk may be defective or a cable may be loose. Check the cable connections to the floppy disk device.
Hard-disk read failure — Possible HDD failure during HDD boot test (see Contacting Dell for assistance). Check HDD cable connections, if installed ( Removing
the Hard Drive Bracket Assembly ) and reseat the NVRAM module, if installed (see Removing the NVRAM Module )
Keyboard failure — Keyboard failure or keyboard cable loose (see Keyboard Problems ).
No boot device available — The system cannot detect a bootable device or partition.
l If the NVRAM module is your boot device, ensure that it is properly seated (see NVRAM Module ).
l If the floppy drive is your boot device, ensure that the cables are connected and that a bootable floppy disk is in the drive.
l 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 (see
Hard Drive Assembly (Optional) ).
l Enter the BIOS Setup Utility and ensure that the boot sequence information is correct (see Entering the BIOS Setup Utility ).
No timer tick interrupt — A chip on the system board might be malfunctioning or motherboard failure (see Contacting Dell for assistance).
Non-system disk or disk error — Replace the floppy disk with one that has a bootable operating system or remove the floppy disk and restart the computer.
normally, continue to install additional memory modules (one at a time) until you have identified a faulty
module or reinstalled all modules without error.
l If available, install working memory of the same type into your computer (see Memory ).
l If the problem persists, contact Dell (see Contacting Dell ).
3 Possible system board
failure.
Time-Of-Day Clock test
failure
Keyboard controller test
failure
l If the problem persists, contact Dell (see Contacting Dell ).
4 RAM Read/Write failure. l Ensure that no special requirements for memory module/connector placement exist (see Memory ).
l Ensure that the memory you are using is supported by your computer (see Memory ).
l If the problem persists, contact Dell (see Contacting Dell ).
5 Real time clock failure.
Possible battery or
system board failure. l Replace the battery (see Replacing the Coin-Cell Battery ).
l If the problem persists, contact Dell (see Contacting Dell ).
6 Video BIOS Test Failure. l Contact Dell (see Contacting Dell ).
7 CPU Cache test failure l Contact Dell (see Contacting Dell ).
NOTE: If the message you received is not included below, see the documentation for either the operating system or the program that was running
when the message appeared.