Hey guys i have just purchase a new 4GB memory card KVR13N9S8/4,but when i install it into my computer it wouldn't start.It have a long,non-stop sound but it's not like beeping,when i use my old 2GB memory card which is KVR1333D3N9/2G,it start normally.My processor is intel pentium processor e5700.Need some help pls,,thx.