... good condition, woking well ) 1,Payment term: T/T and west union. 2,Warranty:30days ( being valid as you ... RAM stick,screen,LCD cable,HDD and so on. 2,Second, be sure of using the original fan3,In the ... cooling paste or special Silicagel on VGA-card,Northbridge and CPU.5,Finally, check all the hardware installed well ... Contact: Vivi luoMobile:86-15815596229TEL:86-755-88365064 Top quality of DV4 486723-001