Question about Dell OptiPlex GX150 PC Desktop

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Dell Optiplex GX150 will not boot - no beeps but has error lights

OK I have a Dell Optiplex GX150 that up until today has worked fine. It is not connected to the internet (and never has been) and runs a single application.
When I turned it on today the power light at the front flickers green/orange and on the rear of the unit the 4 LEDs are flashing in the following pattern:
A flashing alternatly green/amber
B flashing alternatly green/amber
C flashing green
D flashing green

Also both the lights on the network port are flashing an an audible clicking noise can be heard in time with the flash pattern!?...

I have removed and reinserted the memory to no avail!! PLEASE HELP!!!!

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  • Dell Master
  • 1,102 Answers

You first need to make sure your memory is secure.

Posted on Jan 12, 2009

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