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124 Troubleshooting
• If the power light is blinking amber, the computer is receiving electrical
power, but an internal power problem may exist.
– Ensure the voltage selection switch is set to match the AC power at
your location, if applicable.
– Ensure the processor power cable is securely connected to the system
board (see "System Board Components" on page 13).
• If the power light is steady amber, a device may be malfunctioning or
incorrectly installed.
– Remove and reinstall the memory modules (see "Replacing or Adding
a Memory Module" on page 90).
– Remove and reinstall any cards (see "Cards" on page 29).
• Eliminate interference. Some possible causes of interference are:
– Power, keyboard, and mouse extension cables
– Too many devices on a power strip
– Multiple power strips connected to the same electrical outlet
Beep Codes
Your computer might emit a series of beeps during start-up if the monitor
cannot display errors or problems. This series of beeps, called a beep code,
identifies a problem. For example, beep code 1-3-1 (one possible beep code)
consists of one beep, a burst of three beeps, and then one beep. This beep
code tells you that the computer encountered a memory problem.
Reseating the memory modules may correct the following beep code errors. If
the problem persists, contact Dell™ (see
"Contacting Dell" on page 159) for
obtaining technical assistance.
If your computer emits a series of beeps during start-up:
1
Write down the beep code.
Code Cause
1-3-1 through
2-4-4
Memory not being properly identified or used
4-3-1 Memory failure above address 0FFFFh