Thank you william for the quick reply , but really i need help for the ram , please if you know what i should do to fix it , the good news about the ram ,is i have 2x2x2 6gb of ram 1311mhz , and i have 2 gb more in my room , ok the bad news is , if i want to put 2 gb ram and i should be 8 gb , ok i put the 2 gb and boom ! Its 8 gb ram , now i went to my computer properties to check the ram , they show me 8 gb of ram but usable 3.4 gb , i mean why ? I tried many many things but nothing works , i really need help 8 gb of ram is not enough plz someone help , and sometime it goes 8 gb ram but pc restart it self , btw some people said u need to update bios. , If thats the problem i could do it now
And almost forgot the other 2 gb stick its 1333 mhz and the 6 gb on the pc is 1311