HP Pavilion DV4155EA
HP Pavilion DV4170CA
HP Pavilion dv4254EA
HP Pavilion DV4040EA
HP Pavilion dv4204TX
HP Pavilion DV4075EA
HP Pavilion DV4178EA
HP Pavilion DV4116AP
HP Pavilion DV4026AP
HP Pavilion DV4162EA
HP Pavilion DV4024AP
HP Pavilion dv4280EA
HP Pavilion dv4139EA
HP Pavilion DV4108EA
HP Pavilion DV4016EA
HP Pavilion dv4148EA
HP Pavilion DV4113AP
HP Pavilion DV4213EA
HP Pavilion dv4354ea
HP Pavilion DV4129US
1.Turn off your HP Pavilion DV4230US laptop, disconnect the AC power cord and remove the battery cover and remove the battery.
2.Turn a laptop, from the bottom of the laptop disassembly screws, refer to your laptop's user manual position, and set them aside.
3.Remove the external components, including memory modules, wireless LAN and modem
4.Remove the keyboard assembly of all the screws, gently lift the keyboard assembly from the bottom, remove the keyboard. Unplug all cables and various internal components.
5.Disconnect any wires to the HP Pavilion DV4230US motherboard. Unplug any cards, such as the video card, not directly built into the motherboard. You will have the opportunity to remove the motherboard screws, disconnect the cable to the power strip.
6.Remove the CPU, the CPU into a new HP Pavilion DV4230US motherboard, re-assemble parts in reverse order.