Troubleshooting; Power Lights; Beep Codes - Dell Vostro 410 Service Manual

Back to Contents Page
Troubleshooting
Dell™ Vostro™ 410 Service Manual
Tools
Dell Diagnostics
Solving Problems
Dell Technical Update Service
Dell Support Utility
Tools

Power Lights

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
The power button light located on the front of the computer illuminates and blinks or remains solid to indicate different states:
If the power light is blue and the computer is not responding, see
l
If the power light is blinking blue, the computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to
l
resume normal operation.
If the power light is off, the computer is either turned off or is not receiving power.
l
Reseat the power cable into both the power connector on the back of the computer and the electrical outlet.
¡
If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip is turned
¡
on.
Bypass power protection devices, power strips, and power extension cables to verify that the computer turns on properly.
¡
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
¡
Ensure that the main power cable and front panel cable are securely connected to the system board (see
¡
If the power light is blinking amber, the computer is receiving electrical power, but an internal power problem may exist.
l
Ensure that the voltage selection switch is set to match the AC power at your location, if applicable.
¡
Ensure that the processor power cable is securely connected to the system board (see
¡
If the power light is steady amber, a device may be malfunctioning or incorrectly installed.
l
Remove and then reinstall the memory modules (see
¡
Remove and then reinstall any cards (see
¡
Eliminate interference. Some possible causes of interference are:
l
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 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.
Beep Codes.
Replacing or Adding a Memory
PCI and PCI Express Cards).
Dell Diagnostics).
Suggested Resolution
Contact Dell (see "Contacting Dell" in your Setup and Quick Reference Guide).
System Board
System Board Components).
Module).
Components).