Hi, l'll be glad if anyone help me. l have HP ELITE 8300 DESKTOP CORE i5. ram 4gb in total 2gbx2 ddr3. 4 slots. Sometimes if l fix in both ram the pc will boot correctly but if i shutdown and try to boot again it will fail to boot and if l remove one ram the other will boot but it will only boot the pc twice, third boot will fail unless l remove it and fix it in slot 3 or 4. Please any help.