#technology Guys selam nachu selamachu yebeza i have a dell optiplex 760 pc ena be agatami bekerbu nw mulu boardun be adiss yekeyerkut sefer 10 ken mebrat alneberem ena mnm alserawubetm nbr ena zare mebratu meto lekeftew sel power buttonu orange light yeberal 3 and 4 diagnostic lights yeberalu ena ye computer tegena balemuyawoch kalachu yehe ngr board nw yetebelashew weys meserat yechilal bekelalu