... /For HP DV4 488238-001 laptop motherboard DV4 488238-001 AMD CPU,216-0674016,laptop motherboard 100% fully tested working perfectly(in ... the hardware installed well or in good condition, such as CPU,RAM stick,screen,LCD cable,HDD and so on. 2 ... cooling paste or special Silicagel on VGA-card,Northbridge and CPU.5,Finally, check all the hardware installed well or not ...