Describe the whole problem - did you populate all 4 RAM channels and it doesn't boot? Tried one stick in each slot and doesn't boot? Need way more details about what you have been doing and what you've tried doing to troubleshoot.
Describe the whole problem - did you populate all 4 RAM channels and it doesn't boot? Tried one stick in each slot and doesn't boot? Need way more details about what you have been doing and what you've tried doing to troubleshoot.