Beep Codes - Dell OptiPlex 160 Service Manual

A possible BIOS failure has
occurred; the computer is in
the recovery mode.
A possible processor failure
has occurred.
Memory modules are detected,
but a memory failure has
occurred.
A possible PCI device failure
has occurred.
A possible graphics failure has
occurred.
A possible storage device
failure has occurred.
A possible USB failure has
occurred.
No memory modules are
detected.
System board failure has
occurred.
Memory modules are detected,
but a memory configuration or
compatibility error exists.
A possible system board
resource and/or hardware
failure has occurred.
Another failure has occurred.

Beep Codes

Your computer may emit a series of beeps during start-up if the monitor cannot display errors or problems. For example, one possible beep code may consist
of three short, repeated beeps indicating that the computer has encountered a possible system board failure.
If your computer emits a series of beeps during start-up:
1. Write down the beep code.
2. Run the Dell Diagnostics to further identify the problem. (see
Code Description
(repetitive
short beeps)
1 BIOS checksum failure.
Possible system board
failure.
2 No memory modules are
detected.
Clear CMOS (see Clearing CMOS
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Re-flash the BIOS or install a BIOS update (see
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If the problem persists, contact Dell (see
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Contact Dell (see Contacting
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If two memory modules are installed, remove the modules (see
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reinstall one module (see
starts normally, continue to install additional memory modules (one at a time) until you have
identified a faulty module or reinstalled all modules without error.
If available, install working memory of the same type into your computer (see Memory).
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If the problem persists, contact Dell (see
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If a wireless card is installed, remove the card (see
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computer. If the problem disappears, install a new wireless card.
If the problem persists, contact Dell (see
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Contact Dell (see Contacting
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If a hard drive is installed, reseat the drive's power and data cable connectors (see
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Hard Drive Bracket Assembly) and restart your computer.
If a NVRAM module is installed, reseat the module (see
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If the problem persists, contact Dell (see
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Reinstall all USB devices, check cable connections, and then restart the computer.
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If the problem persists, contact Dell (see
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If two memory modules are installed, remove the modules (see
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reinstall one module (see
starts normally, continue to install additional memory modules (one at a time) until you have
identified a faulty module or reinstalled all modules without error.
If available, install working memory of the same type into your computer (see Memory).
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If the problem persists, contact Dell (see
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Contact Dell (see Contacting
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Ensure that no special requirements for memory module/connector placement exist (see Memory).
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Ensure that the memory you are using is supported by your computer (see Memory).
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If the problem persists, contact Dell (see
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Contact Dell (see Contacting
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If a hard drive is installed, reseat the drive's power and data cable connectors (see
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Assembly (Optional)) and restart your computer.
If a NVRAM module is installed, reseat the module (see
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If there is an error message on the screen identifying a problem with a device (such as the hard
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drive), check the device to make sure it is functioning properly.
If the operating system is attempting to boot from a device (such as a CD/DVD drive), check BIOS
l
settings to ensure the boot sequence is correct for the devices installed on your computer.
If the problem persists, contact Dell (see
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Dell Diagnostics).
Suggested Resolution
Contact Dell (see Contacting
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If two memory modules are installed, remove the modules (see
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reinstall one module (see Replacing a Memory
Settings)
Flashing the
Contacting Dell).
Dell).
Replacing a Memory Module) and restart the computer. If the computer
Contacting Dell).
Removing the Wireless
Contacting Dell).
Dell).
NVRAM
Contacting Dell).
Contacting Dell).
Replacing a Memory Module) and restart the computer. If the computer
Contacting Dell).
Dell).
Contacting Dell).
Dell).
NVRAM
Contacting Dell).
Dell).
Module) and restart the computer. If the computer starts
BIOS) and restart the computer.
Removing a Memory Module), then
Card) an restart your
Removing the
Module) and restart your computer.
Removing a Memory Module), then
Hard Drive
Module) and restart your computer.
Removing a Memory Module), then