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RE: Dell t5500 workstation diagnostics lights 2 3 4 blinking no display

Hi i have some success.

I removed processor from onboard socket and installed riser card with processor. And surprisingly I got display but the fans were still running full speed.

And  the dell bios gave error that fan on cpu 2 is not working..

Whereas it was working and i took this riser card from a working system.  I reconnected the riser card ram fans connector. Still same.  Rest bios still it gives error message.

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