HP Pavilion DV4300
HP Pavilion DV4080EA
HP Pavilion DV4164EA
HP Pavilion DV4134EA
HP Pavilion dv4245EA
HP Pavilion DV4021AP
HP Pavilion DV4151EA
HP Pavilion DV4108AP
HP Pavilion DV4022EA
HP Pavilion DV4156EA
HP Pavilion dv4201EA
HP Pavilion dv4231EA
HP Pavilion dv4201xx
HP Pavilion DV4165CL
HP Pavilion dv4386ea
HP Pavilion dv4216TX
HP Pavilion dv4250ca
HP Pavilion DV4220TX
HP Pavilion DV4159EA
HP Pavilion DV4052EA
1.Turn off your HP Pavilion DV4021EA 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 DV4021EA 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 DV4021EA motherboard, re-assemble parts in reverse order.