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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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How to fix power save mode

I trying to open but if keep saying “ enter power save mode

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Hi @meetmeinmexico

It seems that the computer is not able to boot up properly,

Follow the below guide from dell and let us know what you see

LED Pattern

(1 2 3 4)

https://www.dell.com/support/article/en-...

You can also refer to Page 209 for the Diagnostic LED codes

optiplex-755_user's-guide_en-u.pdf

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