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The OptiPlex 755 is an energy-efficient desktop computer designed for businesses. It was released in mid 2007.

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Why is my machine not booting?

My amber alert light keeps on blipping and my machine does not boot.please help me and any contributions would be greatly acknowledged.thank you

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Hi,

A blinking amber light indicates a power supply problem or a system board problem. Scroll to p208 in the user guide which is available here.

http://downloads.dell.com/Manuals/all-pr...

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