If the power light is blinking blue, the computer is receiving electrical power, but an internal power problem might exist.

If the power light is steady amber, a device may be malfunctioning or incorrectly installed.

Remove and then reinstall the memory modules (see "Memory" on page 168).

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

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Troubleshooting

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Dell PP12S manual 140