•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
