Dell optiplex 760 desktop computer neberegny ena power cabelun sekeche power button sechan ayenesam torange color yasayal power buttonu lay ena 1&2 blink yadergalu tinish koyeto dgmo 3&4 blink yadergalu ke 2 ken behuala semokerew dgmo 2,3&4 blink yadergal ena ye computer maintenance technician kalachu yehe cheger mother board nw weys listekakel yechilal mother board kehones yet bota mageyet echilalew kalhone dgmo yehwnn yet maserat echilalew