How to Repair DELL OptiPlex 760 no display || diagnostic lights 2 & 4 on || Fixed / Repaired

‪@PrinterSurgeon‬ Welcomes you to watch a video how to fix DELL OptiPex 760 no display with diagnostic lights 2 & 4 on.
DELL Optiplex 760 is Core 2 Duo series PC with an optimal performance. which supports 1333MHz bus speed processors.
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